TLDR Kalshi’s parlay maker fees have generated $26 million since launching on Aug. 20. The fee is set at half the taker rate, double Kalshi’s standard maker fee. Parlay maker fees now make up most of Kalshi’s total maker fee revenue. Parlay volume hit a record $1.49 billion on Sept. 13, the first NFL Sunday of the season. The fee appears in Kalshi’s online table but is missing from its July 7 PDF fee schedule.
Kalshi has collected $26 million in maker fees on parlay bets since introducing the charge on Aug. 20, according to data reviewed by Ingame.
The fee applies to market makers, the traders and firms that supply prices on parlay bets, rather than the bettors who accept them.
It marks the first time Kalshi has charged this group for parlays since the product launched a year ago.
How the Fee Works
Kalshi runs parlays through a request for quote system. A bettor asks for a price on a combination of outcomes, and a market maker responds within seconds.
The new maker fee is set at half of what takers pay. That is double the maker fee Kalshi charges on its standard, single outcome markets.
Uncorrelated NFL parlays are still exempt from the fee. Those bets remain free for market makers during football season.
The fee shows up in Kalshi’s online fee table. It does not appear in the downloadable PDF version of the schedule, which is still dated July 7.
On Sept. 12, Kalshi collected $1.7 million from parlay maker fees alone. That single day topped the exchange’s average combined fee revenue from August 2025.
Total maker fees across all of Kalshi’s markets passed $2.5 million that same day. Parlays now make up most of that total.
The extra revenue has pushed Kalshi’s