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US spot Bitcoin exchange-traded funds (ETFs) extended their strongest inflow run of 2026 this week, pulling nearly $1 billion in new capital over six sessions as Bitcoin rebounded sharply. The parallel rise in ETF inflows and price indicates institutional buyers were actively accumulating during the rebound rather than waiting for a confirmed uptrend.
Data compiled by Farside Investors shows that US-listed spot Bitcoin ETFs recorded $199.4 million in net inflows on March 16, pushing cumulative inflows since March 9 to $962.8 million. Over the same period, market data indicates Bitcoin climbed from roughly $65,960 to around $74,250, representing a gain of more than 12% in less than a week.
The six-day run marks the longest uninterrupted inflow streak since October 2025, when Bitcoin investment products experienced a nine-day run that absorbed nearly $6 billion in capital during a broader market rally.
In the latest session, BlackRock’s iShares Bitcoin Trust (IBIT) accounted for the largest share of new allocations, attracting $139.4 million in a single day. Fidelity’s Wise Origin Bitcoin Fund (FBTC) followed with $64.5 million, according to ETF flow data tracked by Farside Investors.
Smaller inflows were recorded across other funds. The Bitwise Bitcoin ETF added roughly $2.8 million, while the Franklin Bitcoin ETF brought in about $2.1 million. Some products moved in the opposite direction, with VanEck’s Bitcoin ETF posting $6.3 million in outflows and the ARK 21Shares Bitcoin ETF losing $3.1 million.
According to SoSoValue, on March 16 (EST), US Bitcoin spot ETFs saw a total net inflow of $202 million, marking the 6th consecutive day of net inflows, with BlackRock's IBIT recording the highest single-day net inflow of $139 million. Ethereum spot ETFs had a total net inflow of… pic.twitter.com/DLh8VXnBBw
— Wu Blockchain (@WuBlockchain) March 17, 2026
The ETF buying streak coincided with Bitcoin regaining momentum across both spot and derivatives markets. Price data shows the asset briefly approached $75,000 during the rally, marking its highest level in roughly six weeks.
Derivatives markets amplified the rally as short positions were forced to unwind across crypto exchanges. Data from liquidation tracker CoinGlass shows that over 126,000 traders were wiped out in the past 24 hours, vaporizing roughly $487.45 million in leveraged positions. The largest single liquidation occurred on the Hyperliquid exchange in the BTC-USD pair, valued at roughly $5.98 million, highlighting the scale of leveraged bets that were wiped out during Bitcoin’s rapid climb.
At the same time, ETF demand continued to absorb meaningful Bitcoin supply in regulated markets. Data from SoSoValue shows US spot Bitcoin ETFs recorded roughly $201.62 million in net inflows on March 16, extending the buying streak across multiple funds. At prevailing market prices, that inflow represents the purchase of roughly 2,700 BTC in a single session, highlighting how exchange-traded funds have become a major channel for institutional Bitcoin exposure.
The inflow surge unfolded against a backdrop of global macro uncertainty. Energy markets have remained volatile amid geopolitical tensions in the Middle East, while traders are closely watching signals from the US Federal Reserve’s upcoming rate decision.
Blockchain analytics firm Santiment reported that market sentiment has also shifted during the rally. The firm noted that Bitcoin-related FOMO reached its highest level since early January, while the Crypto Fear & Greed Index moved out of the “extreme fear” zone for the first time in weeks.
🌏 With continued rumors swirling about the progress of the Iran, Israel, and US conflict, Bitcoin has jumped above $74.4K for the first time in 6 weeks. This bullish momentum has been enough to push FOMO to its highest level since January 2nd.
🥳 According to Monday's social… pic.twitter.com/C00awVqBWI
— Santiment (@santimentfeed) March 16, 2026
Together, these signals show ETF flows continuing to act as a barometer for institutional appetite. With nearly $1 billion entering Bitcoin ETFs in under a week, regulated investment vehicles are again playing a central role in shaping liquidity conditions across the broader crypto market.
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