Understanding Position Sizing in Kalshi Contracts

For those just dipping their toes into Kalshi, understanding position sizing is key, especially given the binary nature of these contracts. Unlike traditional markets where you can scale in or out more flexibly, Kalshi contracts often have a clear "yes" or "no" outcome.

Imagine you're confident in a particular outcome, but it's still a prediction. If you bet too large a percentage of your capital on a single contract, a single wrong prediction could significantly erode your account. It's not just about being right; it's about being right consistently and managing the impact of your inevitable incorrect calls. Think about it like this: if you bet 10% of your capital on one Kalshi event and lose, you need a substantial gain on a future trade just to get back to even, assuming similar sizing. What are your general rules for sizing Kalshi bets?