ETFs have now made up 35% or more of total US trading volume for 8 consecutive sessions, the 2nd-longest streak on record.

On the most active days, ETFs reached as high as 42% of total daily volume, compared to the typical average of ~28%.

This comes as investors increasingly use ETFs as their primary tool to quickly hedge, gain exposure, or de-risk in a volatile and unpredictable market.

Market dynamics are changing in real time.