The probability that Republican Senate incumbents will not win in exactly two nominating elections in the 2026 cycle surged by 17.0 percentage points over the past 24 hours, rising from 77.7% to 94.7% according to Polymarket’s breaking feed on July 11.
This significant repricing was supported by whale activity, with 17 unique whales contributing a net $3K in flow toward YES contracts. Whale buy volume totaled $3K against only $73 in sell volume, signaling strong alignment between large traders and the price move.
Overall 24-hour volume for the market reached $9K, approaching the lifetime market volume of $11K, reflecting heightened trader interest. The market has seen participation from 87 unique traders to date.
Notably, the Polymarket YES price of 94.7% diverges sharply from Polydata’s on-chain mid-price of 71.5%, indicating a potential gap between on-chain consensus and Polymarket’s live odds.
The combined price action and whale flow suggest renewed confidence among large traders that Republican incumbents will fail to win exactly two nominating elections in 2026. This repricing and whale backing mark a clear shift in market sentiment on this scenario within a single day.
| Market | Will Republican Senate incumbents not win in exactly two nominating elections in the 2026 cycle? |
|---|---|
| Market ID | 1068718 |
| 24h price change | +17.0 pp |
| YES now (PM Breaking) | 94.7% |
| YES ~24h ago (est.) | 77.7% |
| YES (Polydata overview) | 71.5% |
| Whale net flow (24h) | $3K |
| Whale buy / sell (24h) | $3K / $73 |
| Unique whales (24h) | 17 |
| Volume 24h (PM) | $9K |
| Unique traders (Polydata) | 87 |
Source: Polydata API v3 · /whales/flow + Polymarket Breaking · snapshot 2026-07-11. Data: Polydata API v3. On-chain figures are public. Realized PnL is computed over resolved markets only and excludes open positions, so it is conservative versus the Polymarket UI. This is not investment advice.