Analytics
Resolved Yes on 2 Sep 2026.
The last daily price before settlement had Yes at 99.5%. Yes opened at 60.5% on 3 Dec 2025. Before it settled, across the 243 daily closes on record from 3 Dec 2025 to 2 Sep 2026 (31 days in that span have no close), the highest close was 99.5% on 2 Sep 2026 and the lowest 44% on 5 Dec 2025. Its largest one-day move was 22 points down, to 44% on 5 Dec 2025. $92.73K traded over the market's life.
70 wallets still hold shares. Winners redeem theirs after settlement, so what is left is mostly the losing side.
Polymarket record as of Sep 3, 12:13 AM UTC
Daily closes of the Yes price, Polymarket CLOB, 243 points, 3 Dec 2025 – 2 Sep 2026
| Observed | Yes price |
|---|---|
| 3 Dec 2025 | 60.5% |
| 2 Sep 2026 | 99.5% |
Winners have redeemed their shares, so most of what is left is the losing side.
| Trader | Outcome | Shares |
|---|---|---|
| PK123 | No | 20K |
| Indigo Signal 2966 | No | 12.82K |
| CSTG-28 | No | 2.03K |
This market will resolve according to the winner of the Democratic Primary for United States Senator from Massachusetts. If no 2026 Massachusetts Democratic Senate Primary takes place, this market will resolve to "Other". The resolution source for this market will be the first announcement of the results from the Massachusetts Democratic party, however an overwhelming consensus of credible reporting may suffice.
Official listing: polymarket.com/event/massachusetts-democratic-senate-primary-winner
| MarioLu | No | 358.91 |
| Rapid Quasar 51BA | No | 259.14 |
| runechiters | No | 200 |
| Geromi | No | 144.24 |
| oliman2 | No | 100 |
| Primary-Ambition | No | 74.67 |
| Ripe-Outlay-Hygienic | No | 70 |
Open a trader’s name to inspect the wallet’s available P&L, positions and recorded trades, with source dates and coverage. A large position alone does not establish a winning track record.
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