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| Outcome | Chance | 24h | 1 week | Bid · Ask | 24h volume | Ends |
|---|---|---|---|---|---|---|
| Ed Markey | 100% | +1 pts | +5 pts | >99¢ · 100¢ (<1¢) | — | ended |
| Ayanna Pressley | 0% | — | — | — · <1¢ | — | ended |
| Seth Moulton | 0% | −1 pts | −3 pts | — · <1¢ | — | ended |
| Alexander Rikleen | 0% | — | — | — · <1¢ | — | ended |
| Candidate A | 0% | 0 pts | 0 pts | 0¢ · 100¢ (100¢) | $0 | ended |
| Candidate B | 0% | 0 pts | 0 pts | 0¢ · 100¢ (100¢) | $0 | ended |
| Candidate C | 0% | 0 pts | 0 pts | 0¢ · 100¢ (100¢) | $0 | ended |
| Candidate D | 0% | 0 pts | 0 pts | 0¢ · 100¢ (100¢) | $0 | ended |
| Candidate E | 0% | 0 pts | 0 pts | 0¢ · 100¢ (100¢) | $0 | ended |
| Candidate F | 0% | 0 pts | 0 pts | 0¢ · 100¢ (100¢) | $0 | ended |
| Candidate G | 0% | 0 pts | 0 pts | 0¢ · 100¢ (100¢) | $0 | ended |
| Candidate H | 0% | 0 pts | 0 pts | 0¢ · 100¢ (100¢) | $0 | ended |
| Candidate I | 0% | 0 pts | 0 pts | 0¢ · 100¢ (100¢) | $0 | ended |
| Candidate J | 0% | 0 pts | 0 pts | 0¢ · 100¢ (100¢) | $0 | ended |
| Candidate K | 0% | 0 pts | 0 pts | 0¢ · 100¢ (100¢) | $0 | ended |
| Candidate L | 0% | 0 pts | 0 pts | 0¢ · 100¢ (100¢) | $0 | ended |
| Candidate M | 0% | 0 pts | 0 pts | 0¢ · 100¢ (100¢) | $0 | ended |
| Candidate N | 0% | 0 pts | 0 pts | 0¢ · 100¢ (100¢) | $0 | ended |
| Candidate O | 0% | 0 pts | 0 pts | 0¢ · 100¢ (100¢) | $0 | ended |
| Other | 0% | 0 pts | 0 pts | 0¢ · 100¢ (100¢) | $0 | ended |
| When | Trader | Outcome | Bet | Size | P&L now | Insider |
|---|---|---|---|---|---|---|
| 52d |  Seutervoinen | Seth Moulton | BuyNo>99¢ | $10,996 | +$11 +0.1% | 10 |
| 52d | Seutervoinen | Ed Markey | BuyYes>99¢ | $11,007 | +$11 +0.1% | 10 |
| 52d | The Spirit of Ukraine>UMA | Seth Moulton | BuyNo100¢ | $10,980 | +$55 +0.5% | 10 |
| 52d | The Spirit of Ukraine>UMA | Ed Markey | BuyYes99¢ → 100¢ | $10,452 | +$53 +0.5% | 10 |
| 54d | thoodr | Seth Moulton | BuyNo99¢ → 100¢ | $1,352 | +$10 +0.8% | 10 |
| 54d | thoodr | Ed Markey | BuyYes99¢ → 100¢ | $1,184 | +$10 +0.9% | 10 |
| 55d | Trump2028 | Ed Markey | BuyYes98¢ → 100¢ | $4,434 | +$90 +2.0% | 10 |
| 55d | Addarash | Seth Moulton | SellNo97¢ → 100¢ | $2,030 | −$63 −3.1% | — |
| 58d | Gaditima | Ed Markey | BuyYes96¢ → 100¢ | $1,930 | +$70 +3.6% | 10 |
| 59d | TrangNgo | Ed Markey | BuyYes98¢ → 100¢ | $1,992 | +$43 +2.1% | 10 |
| 59d | TrangNgo | Seth Moulton | BuyNo98¢ → 100¢ | $1,006 | +$24 +2.4% | 10 |
| 62d | yogini2025 | Seth Moulton | BuyNo96¢ → 100¢ | $2,300 | +$85 +3.7% | 10 |
| 63d |  Eire | Ed Markey | BuyYes93¢ → 100¢ | $1,023 | +$77 +7.5% | 10 |
| 67d |  Ryxon21 | Seth Moulton | BuyNo84¢ → 100¢ | $1,008 | +$192 +19% | 10 |
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.
Sources: Polymarket's Gamma API, its CLOB price history and its Data API, read every two minutes. Prices are each outcome's Yes price, which is the market's probability: 100¢ for Ed Markey means the market gives it about 100%.