Bitcoin (BTC) Plummets After Massive $1.3B BlackRock ETF Sale in Dark Pool

Key Takeaways

• An institutional investor offloaded $1.3B worth of BlackRock’s IBIT shares via dark pool trading, marking the largest transaction of its kind on record.
• Bitcoin declined 2.8% over 12 hours following the massive sale, touching a daily floor of $75,600.
• Escalating US-Iran military conflict contributed to market volatility, with digital asset funds experiencing 2026’s third-largest weekly exodus.
• Bitcoin ETFs in the United States have witnessed consecutive net withdrawals for eight trading sessions, exceeding $2 billion since mid-May.
• Bitcoin must successfully breach the $79,000 threshold to restore bullish short-term dynamics.

An institutional participant executed a sale of 29.2 million IBIT shares from BlackRock’s iShares Bitcoin Trust ETF at precisely 2:30 pm UTC on Tuesday, May 27. This $1.3 billion position was liquidated through a dark pool venue, which allows major players to complete substantial orders without exposing their intentions to public exchanges.

Market response materialized swiftly. According to TradingView metrics, Bitcoin experienced a 1.5% decline within a mere ten-minute window following the transaction, sliding from $77,875 down to $76,720. The digital asset continued its downward trajectory, ultimately reaching a 24-hour nadir of $75,600 approximately 12 hours post-sale, representing an aggregate daily decrease of 2.8%.

Alex Thorn, Galaxy Digital’s head of firmwide research, characterized the transaction as the most substantial dark pool Bitcoin ETF trade he has witnessed. Bloomberg’s ETF specialist Eric Balchunas highlighted that this particular sell order exceeded the day’s second-largest IBIT transaction by more than 22-fold.

Cryptocurrency analyst Daan Crypto Trades shared his perspective on X: “Clean retest of the April 2025 lows with a decent bounce so far. But the level to break for continuation remains the low $80Ks. Below $74K I’d say bears are back in control.” His analysis underscores the heightened attention market participants are directing toward critical price zones.

Sustained ETF Capital Exodus Continues

Spot Bitcoin exchange-traded funds in the United States have now registered their eighth straight trading day of negative net flows. Tuesday’s session alone witnessed $333.6 million in withdrawals, with IBIT contributing $192.4 million to that total. Collectively, over $2 billion has departed these investment vehicles since May 14, which marked the final day of positive inflows.

Institutional trading firm Jane Street slashed its Bitcoin ETF allocations by approximately 70% during the first quarter. Meanwhile, Goldman Sachs trimmed its Bitcoin ETF exposure by 10% throughout the identical timeframe. These strategic reductions signal a more cautious institutional approach toward Bitcoin-linked investment products.

The broader cryptocurrency investment landscape experienced similar headwinds. According to CoinShares analytics, digital asset investment products hemorrhaged $1.47 billion during the previous week. Bitcoin-focused products comprised $1.315 billion of those outflows, while Ethereum vehicles shed an additional $223 million. This represented 2026’s third-most significant weekly capital withdrawal.

Geopolitical Instability Compounds Market Anxiety

Escalating international tensions further dampened investor sentiment. United States military forces executed additional airstrikes targeting locations in southern Iran on Monday, focusing on alleged missile deployment facilities and maritime vessels suspected of mine-laying activities. US Central Command characterized these operations as defensive measures.

Iran’s Islamic Revolutionary Guard Corps asserted it successfully downed an American unmanned aerial vehicle operating within Iranian territorial airspace. State-controlled media outlets additionally reported Iranian forces engaged both a combat aircraft and another drone. Diplomatic negotiations between both nations continue in Qatar, though substantive breakthroughs remain elusive.

Despite these developments, Bitcoin and Ethereum registered modest gains compared to Monday’s closing values. At the time of analysis, BTC was changing hands around $77,686 on the 4-hour timeframe, representing a 0.74% increase following its rebound from recent lows.

The Relative Strength Index registered approximately 57.80, remaining beneath overbought parameters. The Chaikin Money Flow metric climbed to 0.42, suggesting increased capital accumulation during the latest upward movement. Should BTC maintain support above $77,500 and successfully penetrate $79,000 resistance, market analysts project potential advancement toward $81,000. Conversely, failure to hold $75,000 would likely expose the $73,500 level to testing.

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