Bitcoin surged past $81,000 on Monday, briefly topping the level for the first time since March as a combination of U.S. Treasury policy shifts, record exchange-traded fund inflows, and a massive short squeeze sent the cryptocurrency on its steepest weekly rally of 2026.
BTC traded at approximately $78,992 on August 25, up 1.69% over 24 hours and 22.45% over seven days from a low of $64,378 on August 18. The advance marked the strongest weekly performance for the asset since a similar surge in January 2023, though analysts warned that overbought conditions could trigger a near-term pullback.
Treasury Buyback Expansion Sparks Initial Move
The catalyst was the U.S. Treasury Department’s August 19 announcement to expand its long-dated bond buyback program. Treasury Secretary Scott Bessent confirmed two days later that individual transaction sizes could exceed $4 billion, effectively doubling the prior cap. The move aims to ease upward pressure on long-term interest rates and borrowing costs that had weighed on risk assets for months.
By injecting liquidity and dampening bond yields, the Treasury intervention created a more favorable environment for Bitcoin. Lower yields reduce the opportunity cost of holding non-yielding digital assets, while a weaker dollar, a side effect of the policy, bolstered Bitcoin’s appeal as a store of value amid currency debasement concerns.
Bitcoin jumped from around $64,000 to as high as $70,000 in after-hours trading on August 19, its steepest one-day climb since March. Ether surged 18% to above $2,250 in the same window, while Solana gained more than 10%.
Spot ETF Inflows Hit Strongest Week of 2026
The Treasury move was amplified by renewed institutional demand through U.S. spot Bitcoin ETFs. The funds recorded approximately $1.9 billion in net inflows during the five trading sessions ending August 21, the strongest weekly figure of 2026. Combined with Ethereum ETF flows, total crypto ETF investments reached $2.6 billion for the week.
The inflow streak reversed a three-day outflow period earlier in August and signaled renewed confidence among institutional investors. BlackRock, Fidelity, and Morgan Stanley have been actively promoting Bitcoin ETFs as accessible vehicles for exposure, contributing to the surge in demand.
Despite the weekly record, year-to-date net flows for Bitcoin ETFs remain negative by roughly $2.9 billion, suggesting that the recent surge, while significant, has not yet established a sustained long-term inflow cycle.
$3.1 Billion in Shorts Liquidated
The rally was further accelerated by a substantial short squeeze that liquidated over $3.1 billion in short positions across digital assets during the two-day surge. Bitcoin alone accounted for $1.44 billion in short liquidations on August 19. Over a subsequent two-day window, total Bitcoin futures liquidations reached approximately $107.86 million, including a single position worth $35.60 million.
Market commentary cited more than $220 million in crypto-wide short liquidations as Bitcoin approached $80,000. The forced buying from liquidations compounded natural demand, creating a feedback loop that pushed prices higher.
Regulatory Optimism From the White House
President Donald Trump met with crypto executives around August 19 and publicly urged Congress to pass the CLARITY Act, a bill designed to provide clearer regulatory guidelines for digital assets. Trump declared the “war on crypto” was over, adding to a broadly constructive regulatory backdrop.
The SEC’s August 18 proposal for “Regulation Crypto Assets” also contributed to sentiment, though its direct effect on Bitcoin pricing was less immediate than ETF flows and liquidity expectations.
Technical Caution Despite Bullish Momentum
Despite the rally, technical indicators raised caution flags. Bitcoin’s Relative Strength Index climbed into the 78 to 86 range, signaling overbought conditions that often precede short-term pullbacks. The market was also contending with significant trapped supply between $74,000 and $78,000, which could cap upside momentum if sellers emerge.
Standard Chartered head of digital assets research Geoff Kendrick said investors should position for a move to $100,000 by the end of 2026, calling the Treasury buyback expansion “exactly the type of thing Bitcoin loves.” The bank had earlier cut its year-end target from $150,000 to $100,000.
The Crypto Fear and Greed Index reached 74, or “Greed,” on August 24, compared with a 30-day average of 36. The index rose 44 points in seven days while Bitcoin gained roughly 23.51% over the same period.
Bitcoin dominance stood near 59.04%, with total crypto market capitalization at approximately $2.67 trillion. Strategy, the corporate Bitcoin holder, now controls 840,447 BTC, with the current market price above its average cost basis.
The immediate question for traders was whether Bitcoin could consolidate near $78,000 to $80,000 while ETF demand remained positive. A stable consolidation with continued spot inflows would strengthen the case that the move was supported by real demand rather than purely leveraged speculation.
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