U.S. spot Bitcoin ETFs have reached their longest weekly inflow streak in nine months, giving BTC one of its strongest institutional demand backdrops since last summer.
The current run stretches from the week of April 2 through May 8, with the funds pulling in about $3.4 billion across six consecutive positive weeks. The streak is the longest since a seven-week inflow run from June 13 to July 18, 2025, when Bitcoin funds attracted roughly $7.57 billion.
The latest week added about $622.75 million, even after late-session weakness reversed part of the earlier momentum. Monday and Tuesday carried the week, with daily inflows near $532 million and $467 million, before Wednesday slowed to about $46 million. The final two sessions turned negative, with outflows on Thursday and Friday, but the weekly total still stayed comfortably in the green.
That matters because weekly flows smooth out the noise from single-session rotations. A one-day outflow can reflect hedging, basis trades, portfolio rebalancing, or short-term risk reduction. Six straight positive weeks point to a more durable allocation trend.
The strongest week of the run came in mid-April, when inflows reached about $996.38 million for the week of April 17. The weakest was the first week, beginning April 2, when inflows were only about $22.34 million. The pattern since then has been clear: ETF buyers stepped in as Bitcoin rebuilt from its early-year weakness, then kept adding exposure as BTC reclaimed the $70,000s and moved back toward $80,000.
Daily U.S. spot Bitcoin ETF flows still show the market is not moving in a straight line. BlackRock’s IBIT and Fidelity’s FBTC have carried much of the demand during strong sessions, while Grayscale’s GBTC and several smaller funds have continued to show uneven flows. The total flow picture remains positive, but the leadership is concentrated.
That concentration is important for Bitcoin’s price structure. ETF inflows create a direct spot-demand channel because issuers and authorized participants must manage exposure around fund creations and redemptions. When flows are positive for weeks, that demand can absorb profit-taking, support liquidity, and make shallow pullbacks easier to defend.
Bitcoin was trading near $80,300, holding the $80,000 area but still below the $82,000 to $83,000 zone that recently capped the rally. That keeps ETF demand central to the next move. A continuation of inflows would strengthen the case for another resistance test. A sharper flow reversal would make the market more dependent on futures leverage and short-term trader positioning.
The inflow streak also lands while derivatives exposure remains elevated. Bitcoin open interest has surged as futures traders rebuild risk around the $80,000 level. That creates a different market from a clean spot-only accumulation phase. ETF demand can support price, but leverage can still amplify volatility if BTC fails to hold support.
Options positioning is another pressure point. Bitcoin’s $82,000 options zone remains sensitive because short-dated volatility has repriced and dealer hedging can accelerate moves near key strikes. Strong ETF demand can help BTC push into that area again, but it does not remove the risk of fast reversals if momentum stalls.
The six-week ETF streak gives Bitcoin a stronger foundation than it had during the early-year drawdown. It shows institutions are not only chasing green candles, they have continued adding through multiple weeks of uneven macro headlines, geopolitical risk, and late-week outflows. With $3.4 billion entering spot Bitcoin funds since early April, the market now has a clearer institutional bid under the $80,000 zone. The next test is whether that bid keeps absorbing supply long enough for BTC to turn the $82,000 to $83,000 ceiling into support.
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