# Roland Garros WTA: Hailey Baptiste vs Xiyu Wang

> Polymarket binary prediction market. 51% implied probability of YES as of Wed, 27 May 2026 18:52:30 GMT. 24h change -14.5pp, 24h volume $427.4K.

**Canonical URL:** https://orrery.me/markets/wta-baptist-wan-2026-05-27
**Polymarket source:** https://polymarket.com/event/wta-baptist-wan-2026-05-27
**Category:** Sports
**Resolves by:** Jun 3, 2026
**Last fetched:** 2026-05-27T18:52:30.228Z

## Live snapshot

| Metric | Value |
|---|---|
| YES probability | **51¢** (51%) |
| Δ 1h | -17.5pp |
| Δ 24h | -14.5pp |
| Δ 1w | +0.0pp |
| 24h volume | $427.4K |
| Lifetime volume | $429.4K |
| Liquidity (orderbook depth) | $28.4K |
| Spread | 2.00pp |

## Resolution

**Resolves by:** Jun 3, 2026

**Source:** https://www.wtatennis.com/scores

### Market description (verbatim from Polymarket)

> This market refers to the tennis match between Hailey Baptiste and Xiyu Wang in the Roland Garros WTA, originally scheduled for May 27, 2026 at 5:00AM ET.
> 
> This market will resolve to 'Hailey Baptiste' if Hailey Baptiste advances against Xiyu Wang.
> 
> This market will resolve to 'Xiyu Wang' if Xiyu Wang advances against Hailey Baptiste.
> 
> If the match is canceled (not played at all), ends in a tie, or is delayed beyond 7 days from the scheduled date without a winner determined, 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 WTA Tour. A consensus of credible reporting may also be used.

## Active signals

Signals are deterministic rules with explicit confidence (0..1). They describe *why a price moved* — they are not trade recommendations and do not predict the outcome.

- **momentum** (confidence 95%): Probability moved down 14.5pp in 24h with 15.1× liquidity turnover and a tight spread.

## Top holders

**Top YES holders**

- `0x4900…4a72` — 98,697.758 shares
- `0xfe78…0319` — 60,288.277 shares
- `0xd37f…b107` — 45,000 shares
- `0x979f…4032` — 29,848.95 shares
- `0x535c…96ba` — 28,233.576 shares

**Top NO holders**

- `0xf284…b9f9` — 140,543.624 shares
- `0xcf6c…7e66` — 54,856.432 shares
- `0x0997…c9f6` — 40,433 shares
- `0x13f0…a50f` — 25,505 shares
- `0x99f0…9495` — 13,955.068 shares

## 7-day price-history summary

| Metric | Value |
|---|---|
| Sample count | 63 |
| Window start | 2026-05-25T05:00:07.000Z |
| Window end | 2026-05-27T18:31:05.000Z |
| Range | 0¢ → 69¢ |
| Net change | -58.5pp |

Full series available as JSON via `GET https://orrery.me/api/markets?slugs=wta-baptist-wan-2026-05-27` — the chart on the human page is rendered from this same data.

## Cite this

```
Orrery. "Roland Garros WTA: Hailey Baptiste vs Xiyu Wang — 51% on Polymarket."
Retrieved 2026-05-27T18:52:30.228Z from https://orrery.me/markets/wta-baptist-wan-2026-05-27.
```

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