Polymarket: How do you guys manage risk sizing with payouts that aren't 1:1?

Been dabbling more on Polymarket, mostly for fun but trying to take it a bit more seriously. What I'm struggling with is how you guys approach position sizing when the 'odds' change constantly. It's not like betting on a sports game where your payout is fixed once you place the bet. If I buy shares at 0.30 and the market shifts, my potential return changes. Are you calculating implied probability on entry and then adjusting your bet size if your conviction changes, or do you just have a flat 'risk X% of bankroll' and accept the variable payout? Feels like traditional risk management goes out the window quickly with the continuous nature of these markets. Any insights on your framework would be helpful.