比特币的 4 年周期理论依然有效吗?

@BullTheoryio
ENGLISH1 month ago · Jun 08, 2026
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TL;DR

尽管机构布局发生了变化,且经典的链上指标失效,但受供应机制和散户市场格局演变的影响,比特币的 4 年周期依然按计划运行。

This was the most predictable crash in crypto history, and yet nobody was prepared. At the peak of the 2025 bull run, one of the most common arguments in crypto was that the 4-year cycle was dead, that institutions had changed everything, that the old patterns no longer applied. Then Bitcoin peaked almost exactly on schedule, dropped 50%, and is now sitting right where the cycle framework said it would be.

So let us have an honest conversation about what actually happened.

Everyone Said the Cycle Was Dead. Then It Played Out exactly on Schedule.

Through most of 2024 and into 2025, a narrative took hold in crypto that went something like this: Bitcoin ETFs changed everything. Institutions are buying now. The old 4-year cycle driven by halvings and retail FOMO no longer applies. This is a supercycle. There is no bear market coming.

It was a convincing argument. Bitcoin was making new all-time highs before the halving had even happened, something that had never occurred before. ETF inflows were breaking records. Michael Saylor was buying billions of dollars worth of Bitcoin every week. Mainstream financial media was covering Bitcoin like a legitimate asset class for the first time. The mood in the market was that the old rules were gone.

Then Bitcoin peaked on October 6, 2025 at $126,296 and started going down. It is now sitting roughly 50% below that peak, with the Fear and Greed Index at Extreme Fear and a death cross active on the chart. The cycle that was supposed to be dead is playing out exactly as it has in 2013, 2017, and 2021.

The 4-year cycle did not die. It just got quieter. And the reason it got quieter, the reason nobody saw the top coming, the reason not a single top indicator fired, is the most important thing to understand about where we are right now and what comes next.

But before getting into that, it is worth understanding what the cycle actually is and why it has held for over a decade. Because the people who dismissed it were not entirely wrong. The market has changed. The cycle just changed with it rather than breaking.

Every four years, a halving event cuts the amount of new Bitcoin being created by 50%. Miners are the largest consistent sellers of Bitcoin , they mine it and sell it to cover operational costs. When the halving cuts their production in half, the amount of Bitcoin being sold onto the market every day drops significantly. If demand stays the same or grows, price has to go up eventually. That is the mechanical foundation. It is not a theory. It is supply and demand.

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Bitcoin price across every halving since 2012 , the bull and bear rotation has repeated without exception.

Four cycles. Four halvings. The same basic structure every time. And this is what the people calling the cycle dead were missing: the cycle does not care about narratives. It runs on supply and demand mechanics that have not changed just because institutions started buying through ETFs. The April 2024 halving happened on schedule. Bitcoin topped on October 6, 2025 , 535 days later. Right in the historical window of 480 to 550 days post-halving that every previous cycle has produced.

The cycle was never dead. It just looked different on the surface because the buyers were different. And that difference , institutional demand replacing retail demand , is exactly why none of the top indicators fired, and why most people who were watching for the top missed it entirely.

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All four Bitcoin cycles mapped , tops, bottoms, death crosses, golden crosses, and the 200-week MA

There is another consistent pattern inside these cycles that does not get enough attention: the bottom always arrives roughly one year after the top. Not exactly one year , the market is not a clock , but the range has been remarkably tight. After the 2013 peak, the bottom came 410 days later. After 2017, it was 363 days. After 2021, it was 376 days. If that same cadence holds now, the bottom of the current cycle lands somewhere between late September and mid-November 2026.

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There is a clear trend in the drawdown numbers. 86%, 84%, 78%, and now likely 50% to 65%. Each bear market has been shallower than the last. This is not random. It reflects a maturing asset , one that now has institutional buyers who do not panic-sell, a regulated ETF market creating structural demand, and corporations holding Bitcoin on their balance sheets as a treasury reserve. The volatility compresses as the buyer base matures.

One other thing happened this cycle that had never happened before. Bitcoin made a new all-time high before the halving. In March 2024 , a full month before the April 20 halving , Bitcoin hit $73,581, breaking the previous all-time high of $69,000 set in 2021. This was a new all-time high, but it was not the cycle peak. Every previous cycle eventually peaked months after the halving, and this one did the same , the actual cycle top came on October 6, 2025 at $126,296, well after the April 2024 halving. What was different is that the pre-halving ATH had never happened before. The reason was the spot Bitcoin ETF approvals in January 2024, which pulled institutional demand into the market before the halving and front-loaded the cycle in a way that confused many people tracking the usual post-halving timing.

What Actually Happened to Retail This Cycle?

To understand why Bitcoin peaked without any of the usual signs, you have to understand what happened to retail capital in the 18 months before the top. In short: most of it was destroyed before Bitcoin even got to $126,000.

In every previous Bitcoin bull market, retail played a specific role. They provided the final fuel. The blow off. The parabolic move. Retail FOMO is what pushes Bitcoin from a reasonable price to an extreme one in the final phase of each cycle. It is also what causes the top indicators to fire , those tools were specifically designed to measure retail behavior, not institutional behavior. No retail blow off means no indicator trigger.

This cycle, retail never showed up in Bitcoin in meaningful size. And it is not because they were not active in crypto. They were. They just got wiped out somewhere else first.

The memecoin trap

The single biggest factor in destroying retail liquidity this cycle was the ease with which meme coins could be created and launched. Token creation platforms , particularly on Solana , made it possible for anyone to launch a coin in minutes with almost no cost. By mid-2025, the number of tokens in existence had gone from roughly 10,000 to 20,000 at the time of the 2021 peak to well over 10 million.

Think about what that actually means for a retail investor trying to navigate this market. In 2021, you had maybe 200 tokens worth seriously considering , real projects with users, revenue, or at minimum a credible team and a product roadmap. The path from "I want to invest in crypto" to "I bought ETH and SOL" was short and obvious. That is where retail money concentrated. That is why ETH went to $4,800 and SOL went to $260.

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In 2025, you were choosing from 10 million options. The overwhelming majority of those tokens were designed with a single purpose: extract money from retail buyers as quickly as possible and funnel it to insiders. The mechanics were not complicated , create a token, build artificial hype, sell into retail buying, and leave. Repeat thousands of times per day across the ecosystem.

The 2021 retail investor faced a manageable number of options, most of which were legitimate projects. The 2025 retail investor faced millions of options, the vast majority of which were structured to take their money. The outcome was predictable. Retail capital entered the crypto market in 2025 and most of it never made it to Bitcoin or to quality altcoins. It got absorbed by the memecoin complex first.

What amplified this problem was the involvement of influential public figures. Multiple high-profile personalities , across politics, entertainment, and social media , launched their own meme coins during this cycle. The playbook was identical every time. A coin launches with enormous hype attached to a famous name. Retail buys in expecting to ride the name recognition. The price spikes. Insiders and early holders sell into the spike. The coin crashes 80% to 95% within days or weeks. Retail is left holding bags worth a fraction of what they paid.

This happened over and over and over again throughout 2024 and 2025. Each time it happened, a chunk of retail liquidity was permanently removed from the ecosystem. The people who lost money in these launches did not then turn around and buy Bitcoin with what was left. They left the market entirely, or they had nothing left to deploy.

The VC token problem

The second major destroyer of retail capital was the structure of new token launches in this cycle. This is less discussed but arguably just as damaging.

In 2021, new crypto projects typically launched at fully diluted valuations of $100 million to $1 billion. That left real upside on the table for public buyers. A project that launched at $200 million FDV and grew to $2 billion gave retail investors a 10x. That is what people remember from 2021 , the "I turned $5,000 into $50,000 buying this altcoin early" stories.

In this cycle, the structure completely changed. Venture capital funds had raised billions of dollars to invest in crypto infrastructure in 2021 and 2022. By 2024 and 2025, their portfolio companies were ready to launch tokens , and the VCs needed to show returns to their limited partners. So projects started launching at fully diluted valuations of $5 billion, $10 billion, even $20 billion , with only 5% to 15% of their supply actually in circulation on launch day.

What that means in practice: retail sees a token trading at what looks like a $500 million market cap and thinks there is upside. But the real fully diluted valuation at that price is $10 billion, with 85% of the supply sitting in VC wallets waiting to unlock over the next two to four years. Every month, more tokens unlock and get sold. The price has a structural ceiling because the supply pressure never stops. Retail buyers were essentially buying into a continuous sell-off they did not know was coming.

Independent research tracking 118 token launches in 2025 found that 84.7% were trading below their launch valuation, with a median price decline of 71%. These were not obscure projects , many of them had significant exchange listings, marketing budgets, and media coverage. They still lost most of their value because the tokenomics were designed to benefit insiders at the expense of public buyers.

The combined effect of memecoins and high-FDV VC launches was the wholesale destruction of retail crypto capital before Bitcoin even approached its cycle peak.

By October 2025, most retail participants who had entered the market in 2024 were already down significantly or had left entirely. There was no liquidity left to rotate into Bitcoin. There was no FOMO wave. The fuel for the blow-off top simply did not exist

Where was retail's money supposed to go?

The 2021 cycle worked because retail money had a clear path: buy Bitcoin → Bitcoin pumps → rotate into large-cap alts → large-cap alts pump → rotate into mid-cap alts → mid-cap alts pump → rotate into small-caps. Money flowed in a predictable cascade down the market cap chain, and every layer generated returns.

In 2025, that cascade never started. The first step , retail buying Bitcoin in size , never happened because their capital was already gone. Bitcoin dominance held above 60% for almost the entire bull run. The altcoin season index reached a peak reading of 78 for roughly three weeks in September 2025 and then collapsed immediately. There was one small window where alts briefly outperformed Bitcoin, and then Bitcoin dominance surged right back above 60%.

The altseason people were waiting for did not fail to happen because the market was wrong. It failed to happen because the mechanism that produces altseasons , retail capital rotating down the market cap chain , was broken. The capital had already been extracted.

How Institutions Changed the Structure of This Entire Cycle?

While retail was losing money in memecoins and VC token launches, something completely new was happening in Bitcoin. For the first time in the asset's history, regulated institutional products were flowing billions of dollars into Bitcoin on a structured, consistent schedule.

The approval of spot Bitcoin ETFs in January 2024 was not just a headline event. It fundamentally changed who the marginal buyer of Bitcoin was, and that change cascades into almost everything that happened differently this cycle.

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Bitcoin spot ETF cumulative net inflows , peaked at $63.1B in October 2025, currently sitting at $54.4B (Coinglass)

From January 2024 through October 2025, spot Bitcoin ETFs took in a cumulative $63 billion in net inflows. At peak, daily inflows were averaging over $350 million , 8 to 9 times the daily amount of new Bitcoin being produced by miners. The biggest individual days saw over $1 billion flowing in through a single trading session.

These are not retail investors. These are pension funds, registered investment advisors, family offices, endowments, and hedge funds making allocation decisions on quarterly schedules. They do not check Bitcoin's price at midnight. They do not get FOMO from a green candle on Twitter. They receive an allocation mandate and execute it systematically over weeks and months.

When that type of buyer is the dominant force in a market, the price action looks completely different from what retail-driven markets produce. Instead of long periods of sideways movement followed by explosive vertical moves, you get a slow, persistent grind higher. Instead of parabolic weekly candles, you get a steady uptrend that does not look exciting but accumulates into a massive move over time.

Bitcoin went from $40,000 in January 2024 to $126,000 in October 2025. That is a 215% move. In any previous cycle, a move of that magnitude would have included multiple weeks where Bitcoin gained 30% or 40% in a single week. In this cycle, the weekly moves were modest by historical standards. The total gain was enormous, but it arrived in a way that felt methodical and boring rather than explosive.

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Strategy holds 845,256 BTC , 4.02% of Bitcoin's total supply, accumulated through continuous corporate treasury buying

Then there is Strategy , the company formerly known as MicroStrategy. Their model is the most extreme version of the institutional bid that defined this cycle. They have turned their entire corporate treasury strategy into a Bitcoin accumulation machine, raising capital through equity issuances and preferred stock products and deploying it directly into Bitcoin purchases. As of June 2026, they hold 843,706 Bitcoin , 4.02% of the total supply that will ever exist.

In 2025 alone, they raised $25.3 billion through capital markets to buy Bitcoin. They do not sell. They do not hedge. Every week, regardless of price, they accumulate. That is a structural bid that simply did not exist in any previous cycle.

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The important thing to understand about this institutional structure is what it does to on-chain data. When BlackRock buys Bitcoin for IBIT, the coins move to Coinbase Prime custody and essentially become invisible to on-chain analytics in the same way retail activity is visible. ETF purchases do not register as coins changing hands at the chain level the way retail buys do. Strategy's accumulation through equity issuance shows up on SEC filings, not on-chain. The blockchain sees less activity per dollar of demand than in any previous cycle.

This is the core technical reason every top indicator failed. They were measuring blockchain activity, coin movement, and realized profit behavior , metrics that assume retail is the dominant buyer. When the dominant buyer operates through off-chain custodians and registered financial products, those metrics go quiet even as tens of billions of dollars flow into the asset. The indicators were not wrong about the math. They were measuring the wrong thing.

Why Every Classic Top Indicator Failed , One by One?

These indicators had a near-perfect track record. They called the top within days or weeks in 2013, 2017, and 2021. Analysts were watching them obsessively throughout 2025, waiting for the signal. Bitcoin hit $126,000. Started going down. And every single one of these indicators was sitting calmly in its neutral or accumulation zone.

This is not a case of the indicators being broken. It is a case of the market they were designed to measure no longer existing in the same form. Understanding exactly why each one failed tells you more about the current market structure than any price chart does.

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Bitcoin MVRV Ratio , peaked around 3.8 at the 2025 top vs. 7–10 at previous cycle peaks (Coinglass)

The MVRV ratio divides Bitcoin's market cap by its realized cap , the total value of all coins at the price they last moved on-chain. When this ratio is very high, it means the average holder is sitting on extreme unrealized profit, which historically coincides with peak speculation. At the 2013 top it exceeded 10. At 2017 it was near 8. At 2021 it reached 7. The accepted danger threshold is above 7.

At the October 2025 peak, MVRV reached approximately 3.8 to 4.2. Less than half the historical warning level, at all-time highs. The reason is structural: ETF buyers and Strategy's accumulation register as demand in Bitcoin's price but do not move coins on-chain in the way the MVRV calculation requires. Billions of dollars worth of Bitcoin is sitting in Coinbase Prime custody on behalf of institutional clients, and the coins have not "moved" in the on-chain sense since they were purchased. The realized cap is artificially suppressed because the biggest buyers of this cycle operate through custodians that are largely invisible to on-chain measurement. MVRV read a market that looked like mid-cycle when price was at the peak.

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Pi Cycle Top , the 111-DMA never crossed the 350-DMA×2. At prior tops the cross happened within days of the actual peak (Coinglass)

The Pi Cycle indicator fires when the 111-day moving average crosses above the 350-day moving average multiplied by two. It has been one of the most precise top signals in Bitcoin's history , hitting within days of the actual peak in 2013, 2017, and 2021. Many analysts in 2025 projected a crossover in September of that year.

It never happened. The two lines narrowed and then diverged without crossing. The reason connects directly to the institutional demand thesis: the Pi Cycle cross requires a sharp, accelerating price move to push the fast-moving average above the slow one. Institutional buyers operating on quarterly allocation schedules do not produce that acceleration. They produce a steady, persistent grind. A grind that goes from $40,000 to $126,000 over 20 months can be just as large a total move as a retail-driven parabola, but it arrives at a different angle , and that angle is what the Pi Cycle was measuring. The angle was wrong for a trigger, even though the destination was an all-time high.

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Bitcoin NUPL , never crossed 0.75 (Euphoria zone) at the 2025 top. Previous cycle peaks were well above that threshold (Coinglass)

NUPL measures the ratio of unrealized profit to unrealized loss across the entire Bitcoin network. When the number crosses above 0.75, the market is classified as "Euphoria" , a state where the overwhelming majority of holders are sitting on significant gains and the probability of widespread selling is high. Prior cycle tops: NUPL was deep into euphoria, approaching 1.0 in some cases.

At the October 2025 top, NUPL peaked around 0.60 to 0.65. The indicator saw a market in "Belief" , confident but not euphoric. And that reading was accurate for the holders it could see. Long-term Bitcoin holders who accumulated in 2022 and 2023 were disciplined. They were not the panicked profit-takers that euphoria readings require. The retail participants who would have driven NUPL into the danger zone were not in Bitcoin , they were in memecoins. NUPL correctly described the on-chain holders it could measure. It just could not see the 63 billion dollars sitting in ETF custodians.

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Puell Multiple , stayed near 1.0 throughout the 2025 bull run. Historical top readings were 3.4, 6.6, and 10.48 (Coinglass)

The Puell Multiple compares today's miner revenue to the 365-day average. When miners are making dramatically more than their annual average , typically because price has spiked rapidly , they sell aggressively to lock in profits, creating supply pressure that historically marks cycle tops. The readings at previous tops: 10.48 in 2013, 6.6 in 2017, 3.4 in 2021. The trend was already declining each cycle.

In 2025, after the April 2024 halving cut block rewards from 6.25 to 3.125 BTC, miner revenue was structurally lower than previous cycles on a per-block basis. Bitcoin's price doubled, but the halving cut the number of coins miners received. The Puell Multiple barely moved above 1.0. Beyond the halving math, the modern mining industry is fundamentally different from 2013 or 2017. Large publicly traded mining companies hedge their exposure, have institutional-grade treasury management, and do not need to dump coins at price peaks the way early miners did. The indicator was built for a mining industry that no longer exists in the same form. It is becoming progressively less useful with each halving.

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Bitcoin Reserve Risk , spent the entire 2025 bull run deep in the accumulation zone. Never approached the orange or red zone (Coinglass)

Reserve Risk measures the confidence of long-term holders relative to the current price. When a long-term holder decides to sell after holding for a long time, the "opportunity cost" of holding , the HODL Bank , is released. When many long-term holders sell simultaneously at high prices, Reserve Risk spikes into its danger zone. At previous cycle tops, this metric entered orange and red territory as long-term holders finally capitulated to profit-taking.

In 2025, Reserve Risk stayed deep in the accumulation zone for the entire bull run. Long-term holders simply did not sell in the volume that this metric requires to move. This is the direct fingerprint of the institutional era: the biggest holders , ETF custodians, Strategy, long-term retail who survived the 2022 bear market , held through the entire run. They were not the impulsive sellers that drive Reserve Risk into the red. The indicator accurately measured their behavior. Their behavior just happened to be rational and disciplined at prices that should, by historical precedent, have triggered mass selling.

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Bitcoin RHODL Ratio , rose from lows but never entered the historical red band associated with cycle tops (Coinglass)

The RHODL Ratio compares the realized wealth held by coins that moved in the last week against coins that are 1 to 2 years old. A high ratio means the market is dominated by fresh capital , new buyers who just entered at high prices. That is the classic signature of a blow-off top: the late retail money piling in at the peak. At every previous cycle top, this indicator went into its red zone as new entrants flooded the market in the final weeks.

In 2025, RHODL rose from its bear market lows but never entered the red band. The fresh capital that would push this metric to extreme levels was not in Bitcoin. It was in memecoins. The retail FOMO that RHODL measures redirected to an entirely different part of the crypto market , and got destroyed there instead of in Bitcoin. RHODL described the situation accurately: new retail money was not dominating Bitcoin at the top. It just did not know that was happening because there was no equivalent tool measuring where retail capital actually went.

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The conclusion from eight indicators across one cycle peak is not that the indicators are malfunctioning. It is that they are correctly measuring a market that no longer has the retail-dominated structure they were built for. Every one of these tools was designed during an era when Bitcoin's price was driven almost entirely by retail speculation. They were calibrated to detect retail euphoria. Retail euphoria did not happen in Bitcoin this cycle. The tools accurately reported that. The mistake was assuming that a retail-style blow-off was the only way a cycle could top.

The cycle topped anyway. It just topped the institutional way , slowly, without fireworks, and without triggering a single alarm.

Nothing Worked. Except the Cycle Clock Itself.

Here is the honest conclusion from looking at every available indicator across this cycle: almost nothing gave a reliable top signal.

The on-chain indicators were silent , MVRV, Pi Cycle, NUPL, Puell, Reserve Risk, RHODL all failed to enter danger territory at the peak. The macro indicators that many analysts pointed to , global M2 and DXY , also broke down in ways that made them unreliable as top signals. Global M2 kept rising even after Bitcoin peaked in October 2025, meaning the correlation broke exactly at the moment it was supposed to matter most. And the DXY relationship? Bitcoin ended 2025 negative despite the DXY posting one of its worst yearly performances in decades , down around 11 to 12 percent , which was supposed to be a tailwind, not a headwind. The correlation failed in both directions.

What actually triggered? The 4-year cycle timing itself. If you had simply put October 2025 on your calendar , one year after the post-halving period, consistent with the 2013, 2017, and 2021 peak timing pattern , you would have been right. Not because of any sophisticated analysis of on-chain data or macro correlations. Just because the cycle clock ran on time.

That is the uncomfortable conclusion this cycle forces us to confront. The tools we built to identify tops, the macro correlations we treated as reliable, the sentiment indicators we monitored obsessively , none of them fired. The one thing that worked was the simplest: the 4-year halving cycle timing that has been the same in every cycle since 2012.

What will the next cycle bring? Nobody can say for certain. In 2020, people expected institutional buying or the halving itself to drive the move. What actually happened was a global pandemic, trillions in money printing, and a risk-on wave that nobody predicted. The specific catalyst for the 2028 to 2029 cycle could be anything , an AI bubble deflating and rotating liquidity into crypto, new US crypto regulation unlocking institutional capital, a Fed pivot triggered by recession, or something nobody is thinking about today. Trying to predict the specific reason is probably the wrong exercise. What history says is that the cycle will continue. The specific mechanism will surprise everyone.

Where We Are Now and What the Cycle Says Comes Next

Bitcoin is currently trading around $62,000 to $63,000. That is approximately 50% below the October 2025 all-time high of $126,296. The market structure is consistent with the middle phase of a bear market , not the bottom, but not in free fall either.

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The most structurally important level right now is the 200-week moving average (EMA 200), sitting around $68,832 on the weekly chart. In every previous bear market, Bitcoin found its floor at or near this level. Both the 2015 and 2022 bear markets saw Bitcoin consolidate around the weekly 200 EMA before beginning the next bull run. The 200-week MA is not a precise bottom signal , it is a zone. Bitcoin has historically gone slightly below it before reversing, testing the resolve of the market before the next accumulation phase begins.

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Bitcoin weekly chart with 200 EMA , every bear market cycle has found support near or at this level before the next bull run (Bitstamp)

On March 7, 2026, a death cross formed on Bitcoin's 3-day chart. This is the same signal that preceded extended drawdowns in 2014, 2018, and 2022. Looking at how much further Bitcoin fell after each previous 3-day death cross:

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Bitcoin 3-day chart , EMA 50 crossed below EMA 200 (Death Cross) on March 7, 2026. Previous death crosses preceded drops of 27%, 43%, and 53% from the cross point (Bitstamp)

The bear case , if the 200-week MA fails to hold and the historical death cross drawdown average applies , points toward $33,000 to $35,000. That is the number worth having in your head as the downside scenario.

The base case, accounting for the diminishing drawdown trend across cycles and the presence of an institutional bid floor that did not exist in previous bear markets, is a bottom somewhere between $45,000 and $55,000. The timing, applying the historical top-to-bottom cadence, points toward Q3 to Q4 2026 , specifically October to November 2026, roughly one year after the peak.

What a confirmed bottom looks like:

Bitcoin holding the 200-week MA on three or more consecutive weekly closes. ETF net flows stabilizing after a sustained period of outflows. Fear and Greed recovering from below 15 and holding above 25 for at least two weeks. Those conditions together , not a single price level , would signal that the accumulation phase has begun.

The road to 2029

Once the current bear phase ends, the cycle framework points to the following sequence:

Q3 to Q4 2026: Bitcoin bottoms. The 200-week MA and realized price around $54,000 form the support band. This is historically the best accumulation zone in any cycle , the period of maximum pessimism before the next expansion begins. It is also the period when most retail investors who entered near the top give up and sell, transferring their coins to long-term holders at a discount.

2026 to 2027: Accumulation phase. Sideways, boring, choppy price action. No major headlines, No momentum. This phase feels like nothing is happening, which is precisely why most people miss it. Every previous cycle has had a phase exactly like this between the bear market bottom and the beginning of the next bull run.

April 2028: The next halving. Block rewards drop from 3.125 BTC to 1.5625 BTC. Miner sell pressure cuts in half again. Institutional demand from the ETF complex , now significantly larger than it is today , begins pricing in the supply shock. Bitcoin starts building momentum.

2028 to 2029: The post-halving expansion. If the 4-year cycle holds, this is the next major bull run. The 2029 peak, based on the consistent timing pattern, is most likely in Q3 or Q4 of that year.

One important thing: the 2025 cycle showed that the blow-off top behavior that drove previous cycle peaks may not happen in the same way again. As the institutional share of Bitcoin ownership grows and retail participation becomes a smaller fraction of total demand, the peaks may continue to arrive without extreme indicator readings, without parabolic price action, and without the obvious signals that made previous cycle tops easy to identify in hindsight. Planning to sell at the next top will require different tools than the ones that worked in 2021.

The Bottom Line

Bitcoin's 4-year cycle is not broken. The top came on time, at the right point in the halving cycle, at a price that represented a new all-time high above the previous peak. The cycle worked exactly as it was supposed to.

What did not work were the tools people were using to identify the top. Every classic on-chain indicator was silent because every classic on-chain indicator was measuring retail behavior , and retail was not in Bitcoin. Retail capital was systematically extracted through memecoins, influential-figure launches, and high-FDV VC token structures before it ever reached Bitcoin. By October 2025, the retail fuel that drives blow-off tops and triggers euphoria indicators was gone.

The institutional buyers who replaced retail , ETFs, Strategy, professional allocators , produced a 215% move from the 2024 lows to the peak, but they did it without parabolic candles and without triggering a single alarm. The indicators read calm. The market peaked anyway.

The only thing that actually worked was the cycle clock. October 2025 , roughly 535 days after the April 2024 halving, and approximately one year before what the pattern suggests will be the cycle bottom , matched the historical timing almost exactly. Not because of sophisticated indicator analysis. Because the same four-year structure that has held since 2012 held again.

Bitcoin is currently in the bear phase consistent with every previous post-peak period. The 200-week EMA is the structural reference level that has anchored every bear market bottom. What comes next will follow the cycle's timing. The specific catalyst, the specific character of the move, and whether the old indicators finally trigger , none of that is predictable. The clock is the only signal that has never missed.

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