Bitcoin’s S&P Correlation Turns Negative—Not a Bull Signal
On Mar 31, 2026, on-chain analyst Axel Adler Jr. warned that Bitcoin’s S&P correlation turning negative does not mean BTC is gaining “independence” from equities. The key message is that Bitcoin’s S&P correlation can flip due to timing and bounce patterns, even while risk assets remain pressured.
Adler cited two metrics. First, the 13-week BTC–S&P correlation recently turned negative, but this mainly reflects that BTC and the S&P 500 are moving less in sync—not that Bitcoin is strengthening versus stocks. Second, the BTC/S&P price ratio (a relative-performance gauge) has been declining since the start of 2026. That indicates Bitcoin is underperforming the S&P 500 and is still priced as a higher-risk asset with greater drawdown potential.
He said true “decoupling” would require a sustained upside reversal in the BTC/S&P price ratio, not a one-week anomaly. Adler’s conclusion: confirmation of a new regime is not present.
Price context: BTC briefly dipped to just under $65,000, then rebounded above $68,000, but was rejected amid the U.S.–Iran geopolitical situation. At the time of writing, BTC traded around $67,000 (down ~1.4% in 24h; ~-6.5% over 7d). The article frames Bitcoin’s S&P correlation shift as a misleading read for traders, while macro pressure remains the dominant driver.
Bearish
The article’s bearish tilt comes from the distinction between “correlation” and “relative performance.” A negative Bitcoin’s S&P correlation can look like decoupling, but Adler argues it can be produced by alternating, isolated BTC bounces while the S&P remains weak. The more decisive indicator—BTC/S&P price ratio—has been falling since January 2026, implying BTC is still losing to equities on a relative basis. That typically discourages aggressive long positioning.
In the short term, negative correlation may keep traders thinking BTC is escaping equity influence; however, the declining ratio suggests any rallies may still fade if the S&P stays under pressure (especially with geopolitical uncertainty lifting macro risk premiums). In the long run, a genuine regime shift would require a sustained upward reversal in the BTC/S&P ratio. Until that confirmation appears, market structure is more consistent with “higher-risk asset” behavior than true haven-like decoupling.
This resembles prior periods where correlation signals shifted quickly, but relative-performance measures lagged—often resulting in traders getting caught by headline-driven narratives rather than the actual BTC vs. equities trend.