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Crypto analyst Sherlock projects Bitcoin may not reclaim its October 2025 all-time high until June 20, 2027 at the earliest, based on historical cycle analysis. The analyst notes Bitcoin has never taken between 238 and 622 days to recover a previous peak, and with 329 days now elapsed since the record, the current cycle falls into the extended-downturn category. Only four prior instances—2011, 2013, 2017, and 2021—saw peaks remain unbroken for comparable periods, all of which marked major cyclical tops. However, current drawdown of approximately 37.1% remains far shallower than the 70.8% median decline seen in past bear markets, presenting conflicting signals about whether the historical pattern will hold.
Key Elements

A prominent crypto analyst is pushing back against bullish forecasts for Bitcoin, arguing that the largest cryptocurrency may not revisit its record high for nearly another year based on historical cycle patterns.
Sherlock, a pseudonymous analyst known for cycle-based Bitcoin research, has calculated that if current price action follows the trajectory of past extended downturns, the earliest date Bitcoin could reclaim its all-time high of October 6, 2025 is June 20, 2027.
The assessment hinges on a distinctive pattern in Bitcoin’s trading history. According to data compiled by the analyst, Bitcoin has historically either reclaimed its previous peak within 238 days of setting it, or the recovery has stretched to at least 622 days. There has never been an intermediate case.
Bitcoin set its most recent record high on October 6, 2025. As of the analysis, 329 days have elapsed without the cryptocurrency surpassing that level, placing the current cycle firmly outside the short-term recovery window that ended on June 1, 2026.
“Those who say Bitcoin will hit an ATH before this date are lying,” the analyst stated in commentary circulated across crypto media platforms.
Historical Parallels
Sherlock’s research identifies only four previous instances where Bitcoin’s peak remained unbroken for a comparable duration: 2011, 2013, 2017, and 2021. Each of those periods, the analyst notes, ultimately marked major cyclical tops for Bitcoin.
This pattern suggests the current price structure may represent something more significant than a routine correction, though past performance does not guarantee future results.
| Cycle Year | Days to Reclaim Previous ATH | Outcome |
|---|---|---|
| 2011 | 622+ | Major cyclical peak |
| 2013 | 622+ | Major cyclical peak |
| 2017 | 622+ | Major cyclical peak |
| 2021 | 622+ | Major cyclical peak |
| Current (2025-2026) | 329+ and counting | Undetermined |
Note: Recovery durations reflect the fastest observed return after exceeding the 238-day threshold, per Sherlock’s historical analysis.
Diverging Signals
Despite the bearish timeline projection, current market data presents a more nuanced picture. Sherlock’s own calculations show that in the previous four major bear markets, Bitcoin had declined by a median of 70.8% from its peak at the equivalent point in the cycle. The current drawdown stands at approximately 37.1%, indicating significantly greater price resilience.
This divergence between the historical timeline pattern and the relatively shallow correction complicates the outlook. Institutional demand, macroeconomic conditions, and overall risk appetite could all influence whether the historical scenario plays out as projected.
Sherlock has expressed skepticism toward predictions that Bitcoin will enter a new price discovery phase during 2026, suggesting such forecasts fail to account for the unusual duration of the current post-peak period.
The analysis has reignited debate within crypto circles about whether Bitcoin’s four-year cycle theory remains valid in an era of increased institutional participation and evolving market structure. While historical time-based patterns have proven remarkably consistent, critics argue that changing market dynamics could invalidate assumptions derived from earlier cycles.
For long-term investors, the key question is whether the current period more closely resembles the extended bear markets of 2014-2015 and 2018-2019, or represents a fundamentally different market structure that could break the historical mold.
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Source: finance.biggo.com

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