The market “Will Apple be the largest company in the world by market cap on July 31?” saw a significant repricing over the past 24 hours, with the YES contract rising 15.4 percentage points from 34.6% to 50.0%, according to Polymarket Breaking data as of July 18, 2026.
This sharp move was confirmed by whale activity: 99 unique whales traded during the period, with a net flow of $15K into YES. Whale buy volume reached $32K, outpacing sell volume of $18K, signaling strong demand from large traders aligning with the price increase. Total 24-hour volume on Polymarket for this contract was $37K, representing a substantial portion of lifetime market volume, which stands at $252K. The market currently counts 533 unique traders overall.
The tandem rise in price and whale buying suggests growing conviction among major participants that Apple will hold the top market capitalization spot by the end of July. This alignment between the tape and whale flow provides a clearer picture of market sentiment, with the probability now evenly split at 50%, reflecting heightened uncertainty but also increased confidence in that outcome.
| Market | Will Apple be the largest company in the world by market cap on July 31? |
|---|---|
| Market ID | 2673623 |
| 24h price change | +15.4 pp |
| YES now (PM Breaking) | 50.0% |
| YES ~24h ago (est.) | 34.6% |
| YES (Polydata overview) | 50.0% |
| Whale net flow (24h) | $15K |
| Whale buy / sell (24h) | $32K / $18K |
| Unique whales (24h) | 99 |
| Volume 24h (PM) | $37K |
| Unique traders (Polydata) | 533 |
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.