MARKETSINDEPENDENT · NOT A BROKER
Election prediction markets, and what they price now
Kalshi and Polymarket list election markets on the 2026 midterms, the 2028 nominations and the 2028 presidential race. Each page below shows both venues' prices, read at 11:38 UTC on 11 October 2026, and the rule each settles on.
By Settled desk
·Checked against 17 primary sources·VERIFIED 11 OCT 2026·2 MIN · 17 SOURCES
17 PRIMARY SOURCES · CHECKED 11 OCT 2026
KEY TAKEAWAYS
Kalshi and Polymarket list election markets on the 2026 midterms, the 2028 nominations and the 2028 presidential race.
Whether you can trade depends on the venue and your state, and several states have acted against these venues.
Prices are the last traded price on Kalshi's public market API and the displayed price on Polymarket's Gamma API, both read at 11:38 UTC on 11 October 2026.
The markets
- 2026 midterm odds: House and Senate on Kalshi and Polymarket: Party control of the House and Senate after the 2026 midterms, priced on Kalshi and Polymarket side by side, with the rule each market settles on.
- 2028 Democratic nominee odds on Kalshi and Polymarket: The 2028 Democratic presidential nominee priced on Kalshi and Polymarket, candidate by candidate, with the rule each market settles on.
- 2028 presidential election odds on Polymarket: The 2028 US presidential election winner priced on Polymarket, candidate by candidate, with the rule the market settles on.
- Zohran Mamdani markets on Polymarket: every open question: Every open Polymarket market about New York City Mayor Zohran Mamdani, with its price and closing date, read from Polymarket’s public API.
- 2026 Senate race odds: every state on Kalshi and Polymarket: The favourite in each 2026 Senate race and its price on Kalshi and Polymarket, read from both venues' APIs, with the rule each market settles on.
- 2026 Governor race odds: every state on Kalshi and Polymarket: The favourite in each 2026 governor race and its price on Kalshi and Polymarket, read from both venues' APIs, with the rule each market settles on.
Can you trade them
Whether you can trade depends on the venue and your state, and several states have acted against these venues. Check your state first, then what each venue charges.
About these prices
Prices are the last traded price on Kalshi's public market API and the displayed price on Polymarket's Gamma API, both read at 11:38 UTC on 11 October 2026. They move all day; open the market on the venue for the price now.
Frequently asked questions
EVERY ANSWER IS QUOTED FROM THE PAGE ABOVE
Sources. 17, each read on or before 11 Oct 2026: kalshi.com/markets/controlh, kalshi.com/markets/controls, polymarket.com/event/which-party-will-win-the-house-in-2026, polymarket.com/event/which-party-will-win-the-senate-in-2026, kalshi.com/markets/kxpresnomd, polymarket.com/event/democratic-presidential-nominee-2028, polymarket.com/event/presidential-election-winner-2028, polymarket.com/event/zohran-mamdani-out-as-mayor-of-nyc-b..., polymarket.com/event/will-mamdani-pass-the-2-millionaire-..., polymarket.com/event/zohran-mamdani-citizenship-revoked-b..., polymarket.com/event/will-mamdani-raise-the-minimum-wage-..., polymarket.com/event/mamdani-opens-city-owned-grocery-sto..., polymarket.com/event/mamdani-visits-the-white-house-by, polymarket.com/event/mamdani-announces-reparations-by-mar..., polymarket.com/event/will-zohran-mamdani-release-another-..., api.elections.kalshi.com/trade-api/v2, gamma-api.polymarket.com. Read from Kalshi's public trade API and Polymarket's Gamma API at 11:38 UTC on 11 October 2026. Rules are quoted from the same responses; nothing on this page is typed in by hand.
Settled desk
The Settled desk writes from each venue’s own documentation and from regulator filings. Every number passes a gate that re-checks it against its source before the page publishes.
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