The Coinglass monthly returns table going back to 2013 shows May averaging +7.78% across all cycles. That number is accurate and nearly useless on its own. It blends 2019’s +52.38%, 2017’s +52.71%, and 2024’s +11.07% with 2022’s -15.6% and 2021’s -35.31%. The average flatters the month. The distribution is what matters.
May splits cleanly into two categories. Strong May years, double-digit gains or better, occurred during confirmed bull cycles: 2017, 2019, 2024, 2025. Weak or negative May years occurred when the macro structure was already deteriorating: 2018, 2021, 2022. The current reading of +2.63% does not belong in the first group. A gain of under 3% in May, historically, has never preceded a strong Q3.
The distribution is the number the average buries.
In 2022, May closed at -15.6%. June followed at -37.28%. By the time Q3 ended, Bitcoin had lost over half its value from the May open. In 2018, May fell -18.99% and June dropped another -14.62%. The Q3 that followed ground sideways before resuming the downtrend into year-end.
2021 offers a partial case. May crashed -35.31%, a sharper drop than either 2018 or 2022. June recovered slightly at -5.95%, and Q3 produced a strong July (+18.19%) before September reversed at -7.03%. The 2021 pattern is the optimist’s argument: a brutal May can precede a Q3 bounce. But 2021’s May was a crash, not a drift. The market knew where it stood. A +2.63% May is more ambiguous and therefore more dangerous.
Ambiguity does not resolve bullishly in Q3. It resolves in the direction of the larger trend.
Pull the median column, not the average. August’s median return across all years in the table is -7.49%. September’s average is -3.08%, median -3.12%. These are not outlier months dragged down by one catastrophic year. They are consistently negative across multiple cycles, bull and bear alike.
In bear market years specifically, August and September absorbed whatever Q2 had left on the table. In 2022, the June collapse left nothing to recover. August fell -8.6%, September -3.12%. In 2018, July’s +20.96% bounce, the bear market rally that looked like recovery, was followed by August -9.27% and September -5.58%. The bounce was the trap.
Q2 often produces a relief move from oversold conditions, macro calm, or reduced selling pressure. That relief gets priced in by July. August and September then reprice the underlying condition, which in bear cycles has not changed.
The bear case for Q3 assumes the current structure resembles prior deterioration cycles. It may not. January 2026 fell -10.17% and February -14.94%, back-to-back losses not seen since 2022’s collapse sequence. March recovered +1.81% and April surged +11.87%. That April print is the strongest in the table for non-bull-peak years. It suggests demand returned fast.
If April’s +11.87% marks a genuine trend reversal rather than a bear market bounce, then May’s modest +2.63% is consolidation, not weakness. The 2023 analog supports this. April 2023 gained +2.81% after a strong Q1, and the year went on to produce +28.52% in October. Structure matters more than the month label.
What makes 2023 the counter and not the base case: 2023 entered April with a confirmed accumulation pattern and growing ETF anticipation. 2026 enters May after two consecutive months of double-digit losses with no comparable structural catalyst confirmed yet.
Bitcoin is trading at $78,450 on May 3, sitting just above its 50-MA at $78,240, 100-MA at $77,316, and 200-MA at $77,365. With 28 days remaining in the month, the +2.63% reading reflects three days, not a verdict.
The confirmation signal is Bitcoin closing May above $82,500, which would push the monthly return to approximately +7.8%, aligning with the historical average and shifting the seasonal analog from bear-cycle to bull-cycle. That close would make the Q3 bear pattern statistically less applicable.
The denial signal is Bitcoin closing May at or below $78,000, confirming that the month goes flat or negative from here. That outcome would place 2026 firmly in the weak-May category and make August and September, with their -7.49% median and -3.08% average, the most likely directional outcome.
May is three days old. The seasonal pattern does not care. A month that closes weak has always led to the same Q3 regardless of how it started.
The information provided in this article is for educational purposes only and does not constitute financial, investment, or trading advice. Coindoo.com does not endorse or recommend any specific investment strategy or cryptocurrency. Always conduct your own research and consult with a licensed financial advisor before making any investment decisions.
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