# Waltert vs Stefanini: prediction market odds

> Live prediction market odds for "Waltert vs Stefanini". Chennai Open: Simona Waltert vs Lucrezia Stefanini Game Spread +/-2.5 leads at 65.5%. Next is Chennai Open: Simona Waltert vs Lucrezia Stefanini Game Spread +/-2.5 at 65%. $7K has traded across 17 outcomes on Polymarket and Kalshi. The market is expected to resolve by Nov 19, 2026.

- Status: Live
- Prices updated: 2026-11-04T21:03:00Z (2 min ago)
- Expected to resolve by: Nov 19, 2026
- Volume traded: $7K
- Venues: Polymarket, Kalshi
- Category: sports

## Odds by outcome

| Outcome | Chance | Polymarket | Kalshi | Gap between venues |
| --- | --- | --- | --- | --- |
| Chennai Open: Simona Waltert vs Lucrezia Stefanini Game Spread +/-2.5 | 65.5% | 65.5% | — | not on both |
| Chennai Open: Simona Waltert vs Lucrezia Stefanini Game Spread +/-2.5 | 65% | 65% | — | not on both |
| Lucrezia Stefanini | 65% | — | 65% | not on both |
| Chennai Open: Simona Waltert vs Lucrezia Stefanini Game Spread +/-2.5 | 58% | 58% | — | not on both |
| Completed Match | 50.9% | 50.9% | — | not on both |
| Chennai Open: Simona Waltert vs Lucrezia Stefanini Game Spread +/-2.5 | 49% | 49% | — | not on both |
| Chennai Open: Simona Waltert vs Lucrezia Stefanini Game Spread +/-2.5 | 49% | 49% | — | not on both |
| Chennai Open: Simona Waltert vs Lucrezia Stefanini Game Spread +/-2.5 | 49% | 49% | — | not on both |
| Chennai Open: Simona Waltert vs Lucrezia Stefanini Game Spread +/-2.5 | 49% | 49% | — | not on both |
| Chennai Open: Simona Waltert vs Lucrezia Stefanini Game Spread +/-2.5 | 44% | 44% | — | not on both |
| Chennai Open: Simona Waltert vs Lucrezia Stefanini Game Spread +/-2.5 | 44% | 44% | — | not on both |
| Chennai Open: Simona Waltert vs Lucrezia Stefanini Game Spread +/-2.5 | 39.5% | 39.5% | — | not on both |
| Chennai Open: Simona Waltert vs Lucrezia Stefanini Game Spread +/-2.5 | 38% | 38% | — | not on both |
| Chennai Open: Simona Waltert vs Lucrezia Stefanini Game Spread +/-2.5 | 35.5% | 35.5% | — | not on both |
| Waltert | 35.1% | 35.5% | 35% | 0.5 pts |
| Chennai Open: Simona Waltert vs Lucrezia Stefanini Game Spread +/-2.5 | 35% | 35% | — | not on both |
| Chennai Open: Simona Waltert vs Lucrezia Stefanini Game Spread +/-2.5 | 21% | 21% | — | 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: [wtatennis.com](https://www.wtatennis.com/scores).
- Kalshi: Kalshi (CFTC-regulated exchange). Sources: [WTA](https://www.wtatennis.com/).

## Links

- Full page with charts and order books: https://thepredictionmarkets.com/odds/waltert-vs-stefanini
- Trade on Polymarket: https://polymarket.com/event/wta-waltert-stefani-2026-11-04?utm_source=thepredictionmarkets.com&utm_medium=referral
- Trade on Kalshi: https://kalshi.com/markets/kxwtamatch?utm_source=thepredictionmarkets.com&utm_medium=referral
- API (free key): https://api.thepredictionmarkets.com/api/public/v1/events/waltert-vs-stefanini

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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.