On August 19, 2026, Bitcoin staged a powerful rally, surging toward the $70,000 mark and triggering an unprecedented wave of short liquidation. This sharp price movement was not merely a technical correction but rather the combined result of macroeconomic policy shifts and leverage compression in the derivatives market, once again exposing the vulnerability of crypto assets during extreme market conditions.

Market data indicates that BTC prices touched $68,982.40 during the session, recording a 5.4% gain and reaching its highest level since June. Vetle Lunde, head of research at K33 Research, noted that single-day perpetual contract short liquidations reached $1.1 billion, breaking through the billion-dollar threshold and far exceeding the previous records of $757 million set in May 2021 and $694 million from November 2025. It is worth noting that historical comparisons require caution due to data restrictions imposed by Binance since April 2021.

CoinGlass data reveals that total global liquidations over the past 24 hours reached $1.92 billion, with $1.74 billion coming from bearish traders, and $1.73 billion of that occurring within just four hours. Decentralized exchange Hyperliquid recorded a single BTC-USD liquidation of $48.8 million, while Binance forced the closure of approximately $517.6 million in positions during the same period.

The underlying catalyst stems from the US Treasury's announcement on August 19 that it would double the size of buyback operations supporting liquidity in long-dated nominal securities. This move drove the 30-year Treasury yield to surge to 5.34%, hitting its highest level since 2007. Industry analysts suggest that this structural shift in government debt markets is compelling capital to seek higher-volatility assets to hedge against yield pressures, thereby amplifying leverage risks in the crypto market.

With the macro liquidity landscape being reshaped, market attention has now turned to the upcoming US Treasury debt auction at the end of this month and subsequent buyback operations. Should the high-yield environment persist, the migration of capital toward higher-volatility assets may accelerate, potentially triggering more frequent extreme liquidation events. This represents yet another systemic stress test for the crypto derivatives market following abnormal yield fluctuations in traditional financial instruments.