US $BTC ETFs just closed a $1.28 billion outflow week, making it the worst stretch for these products since June. On Friday alone, $403 million left the funds, with BlackRock's IBIT accounting for 98% of that total.

When a single fund drives almost all of a day's exit, it usually points to one major institutional desk unwinding a trade rather than a widespread retail exit.

My read: heavy concentration in a single fund means overall ETF infrastructure remains stable, but spot market liquidity will feel the squeeze while that capital moves out.

Did you sit through this week's red flows or did you de-risk before Friday?

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