# Ben Shelton vs Carlos Alcaraz: Total Games: prediction market odds

> Live prediction market odds for "Ben Shelton vs Carlos Alcaraz: Total Games". Over 18.5 games leads at 86%. Next is Rolex Paris Masters: Ben Shelton vs Carlos Alcaraz at 63%. $5K has traded across 13 outcomes on Polymarket and Kalshi. The market is expected to resolve by Nov 22, 2026.

- Status: Live
- Prices updated: 2026-11-07T23:46:03Z (13 min ago)
- Expected to resolve by: Nov 22, 2026
- Volume traded: $5K
- Venues: Polymarket, Kalshi
- Category: sports

## Odds by outcome

| Outcome | Chance | Polymarket | Kalshi | Gap between venues |
| --- | --- | --- | --- | --- |
| Over 18.5 games | 86% | — | 86% | not on both |
| Rolex Paris Masters: Ben Shelton vs Carlos Alcaraz | 63% | 63% | — | not on both |
| Completed Match | 55% | 55% | — | not on both |
| Rolex Paris Masters: Ben Shelton vs Carlos Alcaraz | 53.5% | 53.5% | — | not on both |
| Rolex Paris Masters: Ben Shelton vs Carlos Alcaraz | 52.5% | 52.5% | — | not on both |
| Rolex Paris Masters: Ben Shelton vs Carlos Alcaraz | 51.5% | 51.5% | — | not on both |
| Rolex Paris Masters: Ben Shelton vs Carlos Alcaraz | 50.5% | 50.5% | — | not on both |
| Over 23.5 games | 44% | — | 44% | not on both |
| Rolex Paris Masters: Ben Shelton vs Carlos Alcaraz | 43% | 43% | — | not on both |
| Rolex Paris Masters: Ben Shelton vs Carlos Alcaraz | 36% | 36% | — | not on both |
| Rolex Paris Masters: Ben Shelton vs Carlos Alcaraz | 29.5% | 29.5% | — | not on both |
| Over 28.5 games | 27% | — | 27% | not on both |
| Rolex Paris Masters: Ben Shelton vs Carlos Alcaraz | 23.5% | 23.5% | — | not on both |

"Chance" blends the venues' prices, weighted by volume. Venue columns are each venue's own price.

## How each venue settles

- Polymarket: UMA optimistic oracle. Sources: [atptour.com](https://www.atptour.com/en/scores/current).
- Kalshi: Kalshi (CFTC-regulated exchange). Sources: [ATP](https://www.atptour.com/).

## Links

- Full page with charts and order books: https://thepredictionmarkets.com/odds/ben-shelton-vs-carlos-alcaraz-total-games
- Trade on Polymarket: https://polymarket.com/event/atp-shelton-alcaraz-2026-11-08?utm_source=thepredictionmarkets.com&utm_medium=referral
- Trade on Kalshi: https://kalshi.com/markets/kxatpgtotal?utm_source=thepredictionmarkets.com&utm_medium=referral
- API (free key): https://api.thepredictionmarkets.com/api/public/v1/events/ben-shelton-vs-carlos-alcaraz-total-games

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Source: The Prediction Markets (https://thepredictionmarkets.com), which compares Kalshi and Polymarket prices side by side. Prices are market-implied probabilities, not forecasts by TPM. Cite the page URL and the "Prices updated" time.