HOME / FEES & TAX

Fees are a curve, not a number

A contract at 50¢ costs more to trade than one at 95¢. Move the slider to see what a position actually costs and where it breaks even.

Fee simulator

PRESENTED BY

Kalshi ⌄

CONTRACTS

100

−

PRICE

62¢

Position cost$62.00

Trading fee$1.65

Payout if YES$100.00

Break-even63.6¢

PLATFORMTRADINGSETTLEMENT

Kalshi0.07·p(1−p)$0

Polymarket0.03 to 0.07·p(1−p)$0

Novig$0 pre-game · 0.03 live$0

Robinhood0.05/0.1·p(1−p), 1¢ capExchange fee up to 1¢

PredictIt10% of profit; standard withdrawals freen/a

Betfairshare of net winningsn/a

Smarkets2% of net market winningsn/a

TAX: NOT ADVICE

Three venues, three tax forms, three different numbers on them. Kalshi issues four 1099s and none is your trading profit; Novig reports net redemptions; PredictIt reports net profit.

Which form each venue sends →

MPU · 300×250