Bitcoin rebounded sharply after dipping below $81,000 in Asian trading on 13 October 2026, while technology-related futures stayed weak. That was a notable session-level divergence, not proof that Bitcoin had durably decoupled from equities: StoneX reported that its rolling 20-session correlations with Nasdaq 100, semiconductor and Kospi futures had strengthened since early October.
What happened to Bitcoin on 13 October?
In a market note published at 01:47 UTC on 13 October 2026, StoneX Market Analyst David Scutt described Bitcoin falling below $81,000, near its 50-day moving average, before reversing sharply. Technology-related futures did not recover alongside it. The report does not establish the size of the Korean stock-market decline or independently validate the prices against a live exchange.
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Bitcoin’s rebound stalled above $84,000 before BTC/USD moved back below $82,277.67, which the report identified as support. The $83,000 level had briefly stalled the price overnight. These are intraday technical references from that dated report, not current prices or forecasts.
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1Fix the driver behind crashes, sound loss and screen glitches2Repair Windows errors before they cause bigger problems3Scan for outdated or missing drivers - takes under a minuteDid Bitcoin decouple from Korean stocks and Nasdaq futures?
Not on the evidence in the report. Bitcoin moved differently from technology-related futures during that session, but StoneX said the rolling 20-session correlations had strengthened since early October. A single session of divergent movement can coexist with positive co-movement across a longer window; it does not establish a lasting change in the relationship.
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| Comparison instrument | Rolling 20-session correlation with Bitcoin |
|---|---|
| Nasdaq 100 futures | +0.69 |
| SOX futures | +0.57 |
| Kospi futures | +0.52 |
These figures are the values StoneX reported on 13 October 2026, attributing the correlation graphic to TradingView and LSEG. Correlation measures co-movement over a specified sample; it does not show that one market caused the other to move. The readings also do not, by themselves, establish how Bitcoin and those futures behaved outside the stated 20-session window.
What explains the rebound?
StoneX did not verify a catalyst. Its note offers technical market commentary, not evidence that Korean investors rotated out of stocks, that institutional flows changed, or that a particular macroeconomic event drove Bitcoin’s reversal. Those explanations would require separate evidence.
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Scutt questioned whether the rebound could last because technology-related futures had not recovered with Bitcoin, describing the possibility of a “dead-cat bounce.” That was a caution about the move, not a confirmed explanation or prediction.
How to read the price levels and correlation figures
To evaluate a claim that Bitcoin is moving independently of equities, specify which equity futures are being compared, the correlation window, the observation date and whether the claim describes one session or a longer period. Here, the report’s 20-session readings show positive co-movement, while its account of the Asian session describes a divergence.
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StoneX’s note concerns short-term market conditions and says its material may relate to circumstances on a specific day; it is not investment advice. Its quoted technical levels should be treated as historical observations from 13 October 2026, not as current support, resistance or trading guidance. Read the StoneX market note.
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