US spot Bitcoin exchange-traded funds kept bleeding on Wednesday. The Defiant reports the products recorded a 13th consecutive session of net outflows, the longest withdrawal streak in their history.

That matters because ETF flows act like a day-to-day referendum on investor demand, at least within the window the funds track. In this case, demand has not shown up.

Record streak, bigger hole

According to The Defiant, the outflow streak stretches back to May 15 and has now drained $4.4 billion from the spot Bitcoin ETF cohort.

The paper also points to how unusual the run is. The previous record was about seven consecutive days of outflows. This week doubled that endurance.

What “net outflows” actually signal for the product

“Net outflows” means more redemptions than subscriptions over the day, leaving the funds with less capital than at the prior close. When this repeats across multiple sessions, the cumulative effect is straightforward. The ETF wrapper does not create demand by itself.

The Defiant’s framing is policy-adjacent, but the mechanism stays market-level. If investors keep redeeming rather than adding, the ETF’s holdings face steady pressure from the flow side.

Why the date range matters

The Defiant ties the start of the streak to May 15. That gives readers a clean timeline for the shift in behavior. For investors tracking these products, the key question is whether the outflow cadence changes after mid-month, or whether the cohort keeps resetting negative days.

Without a reversal, the ETF space keeps leaning on the same story. Capital is exiting the vehicles rather than rotating into them.

What to watch next

The Defiant’s report lands on a simple benchmark. A 13-day streak is not a one-off data wobble. The next few sessions will matter less for the headline length and more for whether the funds break the pattern.

If the outflows continue, the cumulative drawdown grows. If it stops, investors will look for whether the change is persistent or just a one-day pause.

Key factWhat The Defiant reports
Streak length13 consecutive sessions of net outflows
Record statusLongest withdrawal streak in spot Bitcoin ETF history
Start dateMay 15
Cumulative outflows$4.4 billion
Prior recordRoughly seven consecutive outflow days