Kalshi Fee Calculator

Taker fee for an order, using the published formula and rounding up to the cent.

Cost of the contracts$52.00
Fee before rounding$1.7472
Taker fee (rounded up to the cent)$1.75
Fee per contract$0.0175
Fee as % of cost3.37%

Taker fee = 0.07 × contracts × price × (1 − price), rounded up to the next cent for the whole order. Fees can change and some markets differ, so check Kalshi's current fee schedule. Maker (resting) orders can be charged differently and are not covered here. Not financial advice.

Fee at other prices (100 contracts)

Price $0.05$0.34 (6.80% of cost)
Price $0.10$0.63 (6.30% of cost)
Price $0.25$1.32 (5.28% of cost)
Price $0.40$1.68 (4.20% of cost)
Price $0.50$1.75 (3.50% of cost)
Price $0.60$1.68 (2.80% of cost)
Price $0.75$1.32 (1.76% of cost)
Price $0.90$0.63 (0.70% of cost)
Price $0.95$0.34 (0.36% of cost)

Arbitrage Agent applies fees when it computes the net edge of each matched pair and shows the result in a live feed with a step-by-step guide. You place the orders yourself.

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Reading the result

The fee is highest at a price of $0.50 and falls towards zero near $0 and $1, because the formula multiplies price by (1 − price). Rounding up to the cent matters most for small orders. The full derivation and a worked example are in how Kalshi fees are calculated.

To see what the fee does to a two-leg trade, use the arbitrage calculator, and to turn the result into a yearly figure, use the annualised return calculator.

© 2026 Arbitrage Agent. Not financial advice. Trading involves risk of loss.