Analytics
Resolved Boston Red Sox on 19 May 2026.
The last daily price before settlement had Boston Red Sox at 47.5%. Yes opened at 47% on 13 May 2026. Before it settled, across the 7 daily closes on record from 13 May 2026 to 19 May 2026, the highest close was 62% on 14 May 2026 and the lowest 43.5% on 16 May 2026. Its largest one-day move was 15 points up, to 62% on 14 May 2026. $279.97K traded over the market's life.
109 wallets still hold shares. Winners redeem theirs after settlement, so what is left is mostly the losing side.
Polymarket record as of May 20, 2:05 AM UTC
Daily closes of the Yes price, Polymarket CLOB, 7 points, 13 May 2026 – 19 May 2026, chart shows 30%–70%
| Observed | Yes price |
|---|---|
| 13 May 2026 | 47.0% |
| 19 May 2026 | 52.5% |
Winners have redeemed their shares, so most of what is left is the losing side.
| Trader | Outcome | Shares |
|---|---|---|
| Keen Quasar D62A | Kansas City Royals | 20K |
| AnonymousUsername | Kansas City Royals | 7.54K |
| ferrariChampions2026 | Kansas City Royals | 5.89K |
| Royal Beacon 1187 | Kansas City Royals |
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.
In the upcoming MLB game between the Boston Red Sox and Kansas City Royals, scheduled for May 18 at 7:40PM ET: This market will resolve to "Boston Red Sox" if the Boston Red Sox win the game. This market will resolve to "Kansas City Royals" if the Kansas City Royals win the game. If the game is postponed, this market will remain open until the game has been completed. If the game is canceled entirely, with no make-up game, or ends in a tie, this market will resolve 50-50. The primary resolution source for this market is the official final statistics of the event as recognized by the governing body or event organizers. However, if the governing body or event organizers have not published final match statistics within 24 hours after the event's conclusion, a consensus of credible reporting may be used instead.
Official listing: polymarket.com/event/mlb-bos-kc-2026-05-18
| 5K |
| Sandy-Exocrine | Kansas City Royals | 3.6K |
| mlbman | Kansas City Royals | 1.92K |
| Enchanted-Desire | Kansas City Royals | 1K |
| CavaSoTasty | Kansas City Royals | 514.86 |
| HowieRatner | Kansas City Royals | 500 |
| satman88 | Kansas City Royals | 500 |
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