# Kosuke Ogura vs Hikaru Shiraishi: prediction market odds

> Live prediction market odds for "Kosuke Ogura vs Hikaru Shiraishi". Matsuyama: Kosuke Ogura vs Hikaru Shiraishi leads at 100%. Next is Matsuyama: Kosuke Ogura vs Hikaru Shiraishi at 100%. $20K has traded across 10 outcomes on Polymarket and Kalshi. The market is expected to resolve by Nov 23, 2026.

- Status: Live
- Prices updated: 2026-11-09T03:17:13Z (5 min ago)
- Expected to resolve by: Nov 23, 2026
- Volume traded: $20K
- Venues: Polymarket, Kalshi
- Category: sports

## Odds by outcome

| Outcome | Chance | Polymarket | Kalshi | Gap between venues |
| --- | --- | --- | --- | --- |
| Matsuyama: Kosuke Ogura vs Hikaru Shiraishi | 100% | 100% | — | not on both |
| Matsuyama: Kosuke Ogura vs Hikaru Shiraishi | 100% | 100% | — | not on both |
| Matsuyama: Kosuke Ogura vs Hikaru Shiraishi | 99.6% | 99.6% | — | not on both |
| Matsuyama: Kosuke Ogura vs Hikaru Shiraishi | 99.6% | 99.6% | — | not on both |
| Matsuyama: Kosuke Ogura vs Hikaru Shiraishi | 99.6% | 99.6% | — | not on both |
| Hikaru Shiraishi | 69% | — | 69% | not on both |
| Completed Match | 55% | 55% | — | not on both |
| Kosuke Ogura | 31% | — | 31% | not on both |
| Matsuyama: Kosuke Ogura vs Hikaru Shiraishi | 30.5% | 30.5% | — | not on both |
| Matsuyama: Kosuke Ogura vs Hikaru Shiraishi | 0.4% | 0.4% | — | 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/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
- Trade on Kalshi: https://kalshi.com/markets/kxatpchallengermatch?utm_source=thepredictionmarkets.com&utm_medium=referral
- API (free key): https://api.thepredictionmarkets.com/api/public/v1/events/kosuke-ogura-vs-hikaru-shiraishi

---
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.