Oh, I saw it wrong.
But I also think "economically meaningful" might not be right,
it's not about prob stddev but profit expectation.
For Polymarket, 50c is more "economically meaningful" in fees.
but for traders, it's not.
Satistically, the average profit expectation on each price in 5m market is spread/2 = 0.5%.
@0_xMasque@Polymarket@mustafap0ly We are working on TWAP solutions for crypto markets which fixed this - we have not decided if we have 1 TWAP market and 1 normal one to allow retail to enjoy the 5 minute last second resolving markets but know we are aware and working on a solution.