Bitcoin experienced a dramatic flash crash on Sunday evening just before 8 p.m. Eastern time, as a concentrated wave of selling pressure obliterated support levels and dragged the price from the mid-$91,000 range into the high-$86,000s within minutes.
According to data from Bitcoin.com AI, the decline followed a period of relatively calm, orderly trading around the $91,000 area through late November. However, a sudden surge in sell-side volume — the largest in weeks — triggered a cascade of stop-loss orders and forced liquidations. The rapid breakdown saw the price puncture multiple intraday supports without meaningful resistance, eventually bottoming near $86,900. Approximately $139 million in Bitcoin long positions were liquidated during the move, with the vast majority occurring within the sell-off window.
Structurally, the collapse erased days of grinding gains and shifted the short-term market setup from balanced to decisively fragile. By 8:20 p.m. Eastern, Bitcoin had recovered slightly to $87,583, but remained well below the critical $91,000 threshold. The sudden volatility highlighted the thinned liquidity on Sunday evening, common in cryptocurrency markets when traditional financial markets are closed and trading volumes are lower.
What Caused the Crash?
Analysts attribute the move to a combination of concentrated selling and thin order book depth. A large market order or a series of aggressive sells overwhelmed the available liquidity on major exchanges, triggering a cascade of stop-loss orders just below key support levels. This self-reinforcing “waterfall” effect is a well-known phenomenon in crypto, particularly when open interest in derivatives is elevated. The $91,000 level had acted as a short-term anchor for sentiment, and its breach opened the door for mechanical selling.
The suddenness of the move also suggests potential forced liquidations from leveraged traders. According to Coinglass, the $139 million in BTC long liquidations represented a significant portion of the total open interest at that time. Such events often reset the long-to-short ratio and clear out excessive leverage, which can sometimes provide a foundation for a more sustainable recovery.
Market Impact and Next Steps
Bitcoin’s technical landscape has changed markedly. The breakdown has created a fresh resistance band overhead in the $90,000–$91,000 zone, which now becomes a key area to reclaim to restore bullish momentum. On the downside, immediate support lies near $87,000, where buyers stepped in to halt the decline. A failure to hold that level could invite further downside toward the $85,000 region.
For traders, the focus will be on whether Bitcoin can stabilize in the coming hours and days. A quick rebound above $88,000 would signal that the selling was a one-off liquidity event rather than the start of a sustained downtrend. Conversely, any renewed weakness that breaks below $87,000 would likely trigger another round of short-term panic.
Broader Context
This flash crash comes amid a period of overall market caution, with regulatory uncertainty and macroeconomic factors weighing on sentiment. However, the resilience of Bitcoin’s long-term trend remains intact, with many analysts viewing such corrections as healthy shakeouts before further upside. The key now is to watch the reaction of spot buying and the behavior of derivatives metrics such as funding rates and open interest.
Investors are advised to monitor market depth and avoid over-leveraging during volatile periods, especially during weekends and holidays when liquidity tends to be thinner.