Massachusetts Senate Race Odds 2026
Prices as of 2026-09-19 18:30 UTC.
Kalshi has Ed Markey at 98%; Polymarket has Ed Markey (D) at 98%.
| Candidate / party | Kalshi | Polymarket | Gap |
|---|---|---|---|
| Ed Markey D | 98% bid 98¢ · ask 98¢ · OI $6k | 98% vol $35k | +0 pts |
| John Deaton R | 2% bid 2¢ · ask 3¢ · OI $4k | 2% vol $13k | +1 pts |
Massachusetts Senate 2026 — Kalshi · Ed Markey · Polymarket · Ed Markey (D) · last 90 days
How the Kalshi market resolves
If a representative of the Democratic party is sworn in as a Senator of Massachusetts for the term beginning in 2027, then the market resolves to Yes.