Bitcoin History May Repeat: Will the Bull Run Peak on October 27th?

Eyes in the crypto markets are fixed on the historic cycle in Bitcoin. Analysts, recalling that it previously took a total of 1,064 days for Bitcoin to go from trough to peak, predict that the current cycle could culminate around October 27, 2025.
Analyst CryptoJelle notes that the previous two market cycles followed a similar timeline. In the 2015–2017 cycle, Bitcoin surged from under $500 to $20,000, delivering over 1,800% gains. During the 2018–2021 period, it climbed from $3,100 to $69,000, marking an increase of around 2,100%.
The current cycle began in November 2022 when Bitcoin dropped below $16,000. Since then, BTC has risen over 83% and recently exceeded $120,000.
Institutional Investments May Affect the Peak

The year 2025 is being shaped by strong institutional movements, differentiating it from previous cycles. ETF launches and purchases by corporate treasuries are supporting the market. Bitcoin purchases by publicly traded companies in September occurred as follows:
- Strategy: 7,600 BTC
- Metaplanet: 6,600 BTC (+ including the 5,300 BTC announced yesterday)
- Strive: 5,900 BTC (via PIPE)
Experts emphasize that institutional participation might transform the peak into a slower and more gradual ascent, potentially preventing a recurrence of the sharp volatility seen historically.
Opportunity Continues for Altcoins

Historical data suggests that altcoins can continue their rallies even after Bitcoin reaches its peak. Smaller cryptocurrencies can extend their rallies for several weeks after Bitcoin’s high. This provides investors with an opportunity to benefit from the trend until late November.
Analysts state that if Bitcoin aligns with its historical cycle, October will be a critical turning point for both BTC and the general crypto market, and altcoins could support the rally. Investors are advised to exercise caution.
Given the increasing institutional involvement, do you believe the predicted peak in late 2025 will be more stable and sustained compared to the sharp parabolic peaks of previous cycles?
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