Spot Bitcoin ETFs posted their strongest daily inflow since February as a reported Iran ceasefire proposal triggered a broad risk-on rally.

U.S. spot Bitcoin ETFs pulled in $471 million on Monday, their strongest single-day intake since February 25. The surge came after weekend reports of a proposed 45-day ceasefire between the U.S. and Iran sent risk assets higher across the board.
Institutional capital poured back into Bitcoin on Monday as geopolitical tensions showed signs of easing. BlackRock's IBIT led the charge with $181.9 million in inflows, followed by Fidelity's FBTC at $147.3 million and ARK's ARKB at $118.8 million. The combined $471 million marked the sixth-largest daily inflow of 2026, according to SoSoValue data.
The catalyst was weekend reporting from multiple outlets indicating that the U.S. and Iran were weighing a ceasefire proposal from mediators. The deal would reportedly include a 45-day pause in hostilities and the reopening of the Strait of Hormuz. Nasdaq futures climbed on the news, oil prices pulled back, and institutional money moved into Bitcoin. BTC climbed toward $70,000 before settling around $69,000.
The inflow spike highlights how sensitive institutional Bitcoin positioning has become to macro and geopolitical signals. After weeks of subdued ETF activity, the prospect of de-escalation in the Middle East was enough to trigger the largest single-day inflow in over five weeks.
Bitcoin's correlation with risk assets has tightened since the start of 2026. The cryptocurrency has tracked equity futures closely during periods of geopolitical stress, and the ceasefire proposal appears to have unlocked pent-up institutional demand. Combined spot Bitcoin ETF assets now exceed $100 billion, reinforcing BTC's role as a mainstream institutional allocation.
President Trump set a Tuesday night deadline for Iran to agree to terms. If the ceasefire materializes, further institutional inflows could follow. If talks collapse, the recent gains may reverse quickly. The global crypto market cap sits at approximately $2.43 trillion with Bitcoin dominance at 56.6%. ETF flow data for Monday will provide the next signal on whether institutional buyers are sustaining momentum or reacting to a single headline.
The $471 million inflow day underscores how quickly institutional capital can move when geopolitical risk shifts. With ceasefire negotiations still in flux, this story is developing. Watch ETF flows and the Tuesday deadline closely.

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