The market on whether SpaceX Starship Flight Test 13 will launch by July 31 saw its YES price surge 17.1 percentage points over the past 24 hours, climbing from 73.0% to 90.1%. This represents a marked revaluation of the odds within a single day.
Whale trading activity supported this price jump, with a net flow of $7K into YES contracts. Out of $12K in whale buy volume, $5K was offset by sells, leaving a strong net buying interest consistent with the price advance. In total, 60 unique whales participated in this trading window.
Polymarket’s 24-hour volume for this market was $12K, contributing to a lifetime market volume of $75K and involving 419 unique traders to date. The alignment between whale flows and price movement signals a consensus among large traders and the broader market that the likelihood of the Starship Flight Test 13 launch has increased substantially.
This coordinated repricing and whale support suggest growing confidence in the event occurring by the end of July, as the market rapidly adjusts to new information or sentiment. The combined price and flow data underline a notable shift in expectations for this high-profile aerospace milestone.
| Market | Will SpaceX Starship Flight Test 13 launch by July 31? |
|---|---|
| Market ID | 2479863 |
| 24h price change | +17.1 pp |
| YES now (PM Breaking) | 90.1% |
| YES ~24h ago (est.) | 73.0% |
| YES (Polydata overview) | 90.2% |
| Whale net flow (24h) | $7K |
| Whale buy / sell (24h) | $12K / $5K |
| Unique whales (24h) | 60 |
| Volume 24h (PM) | $12K |
| Unique traders (Polydata) | 419 |
Source: Polydata API v3 · /whales/flow + Polymarket Breaking · snapshot 2026-07-18. 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.