Spot crypto ETFs publish daily creation and redemption totals after the US close, and those flows are a clean read on institutional demand that shows up on a fixed schedule. Sustained inflows have historically preceded firmer prices over the following days, and a run of large outflows the opposite. You ingest each issuer's daily file the moment it posts and take positions in the multi-day and end-of-month crypto markets before the number gets absorbed into the narrative the next morning.
Markets on Polymarket where spot-etf net-flow print reaction is the natural play:
