# Matsuyama: Kosuke Ogura vs Hikaru Shiraishi: prediction market odds

> Live prediction market odds for "Matsuyama: Kosuke Ogura vs Hikaru Shiraishi". Completed Match leads at 53.9%. Next is Matsuyama: Kosuke Ogura vs Hikaru Shiraishi Total Sets: O/U 2.5 at 50%. $1K has traded across 10 outcomes on Polymarket. The market is expected to resolve by Nov 16, 2026.

- Status: Live
- Prices updated: 2026-11-08T13:48:00Z (1 d ago)
- Expected to resolve by: Nov 16, 2026
- Volume traded: $1K
- Venues: Polymarket
- Category: sports

## Odds by outcome

| Outcome | Chance | Polymarket |
| --- | --- | --- |
| Completed Match | 53.9% | 53.9% |
| Matsuyama: Kosuke Ogura vs Hikaru Shiraishi Total Sets: O/U 2.5 | 50% | 50% |
| Matsuyama: Kosuke Ogura vs Hikaru Shiraishi Total Sets: O/U 2.5 | 50% | 50% |
| Matsuyama: Kosuke Ogura vs Hikaru Shiraishi Total Sets: O/U 2.5 | 50% | 50% |
| Matsuyama: Kosuke Ogura vs Hikaru Shiraishi Total Sets: O/U 2.5 | 49.5% | 49.5% |
| Matsuyama: Kosuke Ogura vs Hikaru Shiraishi Total Sets: O/U 2.5 | 49.5% | 49.5% |
| Matsuyama: Kosuke Ogura vs Hikaru Shiraishi Total Sets: O/U 2.5 | 49% | 49% |
| Matsuyama: Kosuke Ogura vs Hikaru Shiraishi Total Sets: O/U 2.5 | 49% | 49% |
| Matsuyama: Kosuke Ogura vs Hikaru Shiraishi Total Sets: O/U 2.5 | 49% | 49% |
| Matsuyama: Kosuke Ogura vs Hikaru Shiraishi Total Sets: O/U 2.5 | 33.5% | 33.5% |

"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).

## Settlement rules

This market refers to the tennis match between Kosuke Ogura and Hikaru Shiraishi in the Matsuyama, Japan, Qualifying, originally scheduled for November 8, 2026 at 8:00PM ET.

This market will resolve to 'Kosuke Ogura' if Kosuke Ogura advances against Hikaru Shiraishi.

This market will resolve to 'Hikaru Shiraishi' if Hikaru Shiraishi advances against Kosuke Ogura.

If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by November 22, 2026, 11:59 PM ET (14 days after the scheduled start), this market will resolve to 50-50.

If the match begins but is not completed, and one player advances due to the opponent's retirement, default, or disqualification, this market will resolve to the player who advances.

If the match ends in a walkover (player withdraws before the start and the other advances automatically), this market will resolve to 50-50.

The primary resolution source will be official information from the ATP Tour. A consensus of credible reporting may also be used.

## Links

- Full page with charts and order books: https://thepredictionmarkets.com/odds/matsuyama-kosuke-ogura-vs-hikaru-shiraishi
- Trade on Polymarket: https://polymarket.com/event/atp-ogura-shirais-2026-11-08?utm_source=thepredictionmarkets.com&utm_medium=referral
- API (free key): https://api.thepredictionmarkets.com/api/public/v1/events/matsuyama-kosuke-ogura-vs-hikaru-shiraishi

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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.