KalshiPoliticsActive
Will Republicans win the U.S. Senate in 2026?
30¢+233
Quick answers
- Where is "Will Republicans win the U.S. Senate in 2026?" cheaper right now?
- Kalshi last trade 30¢ (+233). No matched twin on another venue, so there is no cross-venue price to compare.
- When does "Will Republicans win the U.S. Senate in 2026?" settle?
- Closes 2027-02-01. Pays Yes when: If the Republican Party has won control of the U.S. Senate in 2026, then the market resolves to Yes.
Odds history
180 archived bid/ask quotes for "Will Republicans win the U.S. Senate in 2026?" on Kalshi, 2026-10-26 to 2026-11-01.
How this market settles
- Pays Yes when
- If the Republican Party has won control of the U.S. Senate in 2026, then the market resolves to Yes.
- When
- Closes 2027-02-01.
Read the full rules Kalshi publishes
If the Republican Party has won control of the U.S. Senate in 2026, then the market resolves to Yes.
This market may be determined early based on a consensus of media calls projecting control of the U.S. Senate. See full rules for details. Otherwise, victory will be determined by the party identification of the President pro tempore of the Senate on February 1, 2027.
What this bet really costs you
On $100 at 30¢ you pay $4.90 in fees on Kalshi
1.47¢ per contract · 333 contracts
On $100 at 30¢ you pay $3.50 in fees on Polymarket US
1.05¢ per contract · 333 contracts
Polymarket rate read from the catalog for sports_fees_v3 (15,702 markets in a sample of 20,000 rows drawn from 580,600 in the archive). Kalshi's rate is its published general schedule; the PDF has been rate-limiting fetches, so it is documented rather than verified.
Exchange-side taker fees per each venue's published formula (rate × contracts × price × (1 − price)); contracts = stake ÷ price, rounded down to whole contracts. Fees peak at 50¢ and shrink toward the extremes. Most quoted cross-venue “arbs” are negative-EV after these fees; the taker-fee breakeven on a Kalshi/Polymarket pair is roughly 3.5–4¢.
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Data: Kalshi id CONTROLS-2026-R · ← All tracked markets