The market for “Will SpaceX Starship Flight Test 13 launch by July 17?” saw its YES price plunge 92.3 percentage points over 24 hours, dropping from 92.5% to just 0.15% as of July 18. This dramatic reversal indicates a near-complete loss of confidence in the launch occurring within the specified timeframe.
Interestingly, whale trading activity moved against this sharp price decline. Despite the YES price collapse, whales collectively bought $47K and sold $19K in YES contracts, resulting in a net $28K inflow into YES positions. This divergence between whale flow and price movement stands out, especially given the overall Polymarket 24-hour volume of $48K and a lifetime market volume of $54K. The participation of 82 unique whales among 172 total traders underscores significant interest from large investors, even as the broader market sentiment turned decisively negative.
The disconnect suggests that while the market rapidly repriced the likelihood of the Starship launch to near zero, some whales maintained or increased their exposure to the YES side, potentially anticipating a different outcome or valuing the contract differently from the general market consensus. The combined data reflect a market in flux where price signals and whale behavior do not align, highlighting uncertainty or conflicting information among sophisticated traders.
| Market | Will SpaceX Starship Flight Test 13 launch by July 17? |
|---|---|
| Market ID | 2911983 |
| 24h price change | +92.3 pp |
| YES now (PM Breaking) | 0.15% |
| YES ~24h ago (est.) | 92.5% |
| YES (Polydata overview) | 0.15% |
| Whale net flow (24h) | $28K |
| Whale buy / sell (24h) | $47K / $19K |
| Unique whales (24h) | 82 |
| Volume 24h (PM) | $48K |
| Unique traders (Polydata) | 172 |
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.