Hedge
A position taken to offset risk in another. On Kalshi, buying the opposing side or a correlated market can lock in or limit your exposure.
Hedging trades some upside for reduced risk, useful for protecting a profit or capping a loss on an open position. It's a tool for managing exposure, not a way to manufacture edge.
On a binary exchange like Kalshi, the cleanest hedge is the opposing contract in the same market. If you hold YES at 30 cents and the price runs to 70, buying NO at 30 cents locks the position: whichever way the event resolves, your combined payout is fixed, and you have converted an open bet into a known result. Traders also hedge across correlated markets, for example offsetting a team's moneyline with a related series or total, though correlation is rarely perfect and leaves residual risk.
Hedging is a risk-management decision, not an edge-generating one. Every hedge gives back some expected value in exchange for a narrower range of outcomes. That is a good trade when you are protecting a large unrealized profit you do not want to risk, when an open position has grown beyond your intended size, or when news has raised your uncertainty about an outcome you are already committed to. It is a poor habit if you reflexively hedge winners and let losers ride, which caps your upside while leaving your downside intact.
Costs matter on a small-tick exchange. Crossing the spread twice and paying taker fees on both legs can quietly erode the protection you are buying, so the size of the position and the price you can actually get filled at determine whether a hedge is worth it. Before hedging, it is worth asking whether simply reducing the position would achieve the same risk reduction more cheaply.
You bought 100 YES contracts at 30 cents ($30 risked) and the market is now 75 cents. Selling would realize the gain, but if you want to stay in while protecting it, buying 100 NO at 25 cents guarantees a payout of $100 to one of your two legs at expiry, locking in a profit regardless of the result, minus the fees on the extra leg.
Frequently asked questions
How do you hedge a position on Kalshi?
The simplest hedge is buying the opposite contract in the same market, YES against an existing NO or vice versa, which fixes your payout. You can also use a correlated market, though that leaves some residual risk from imperfect correlation.
Does hedging cost money?
Yes. A hedge gives up some expected value and, on Kalshi, adds spread and taker fees on the extra leg. It buys a narrower range of outcomes, which is worth it mainly when you are protecting a sizable profit or capping a defined loss.
Is hedging the same as just closing the trade?
Not quite. Closing removes the position entirely; hedging keeps both legs open and locks the result while leaving you in the market. Often simply reducing or closing the position is cheaper than hedging, so weigh the fees first.