The Polymarket contract “Will Russia capture Kostyantynivka by July 31?” saw a sharp 17.0 percentage point decline in its YES price over the past 24 hours, falling from 59.5% to 42.5%. This move contrasts with significant whale activity, which net bought $22K worth of YES contracts during the same period.
Whale buying volume reached $40K, while selling volume was $18K, spread across 94 unique whale traders. Total 24-hour volume on Polymarket for this contract was $41K, close to the whale trade size, indicating whales dominated recent market activity. Despite this, the YES price moved lower, signaling a divergence between the tape and whale flow.
Further complicating the picture, Polydata’s on-chain mid-price for YES stands at 29.0%, substantially below the Polymarket Breaking price of 42.5%. This gap highlights differing valuations between Polymarket’s live pricing and on-chain data.
The lifetime market volume for this contract totals $215K, with 615 unique traders participating, showing sustained interest in the outcome.
The combination of a steep price drop alongside strong whale buying suggests conflicting signals in the market’s assessment of Russia’s likelihood to capture Kostyantynivka by the end of July. While whales appear to be accumulating YES exposure, the broader market price reflects decreased confidence in that outcome over the last day.
| Market | Will Russia capture Kostyantynivka by July 31? |
|---|---|
| Market ID | 2608935 |
| 24h price change | +17.0 pp |
| YES now (PM Breaking) | 42.5% |
| YES ~24h ago (est.) | 59.5% |
| YES (Polydata overview) | 29.0% |
| Whale net flow (24h) | $22K |
| Whale buy / sell (24h) | $40K / $18K |
| Unique whales (24h) | 94 |
| Volume 24h (PM) | $41K |
| Unique traders (Polydata) | 615 |
Source: Polydata API v3 · /whales/flow + Polymarket Breaking · snapshot 2026-07-13. 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.