# Roland Garros ATP: Jannik Sinner vs Juan Manuel Cerundolo

> Polymarket binary prediction market. 98% implied probability of YES as of Thu, 28 May 2026 06:55:41 GMT. 24h change +0.3pp, 24h volume $192.0K.

**Canonical URL:** https://orrery.me/markets/atp-sinner-cerund-2026-05-28
**Polymarket source:** https://polymarket.com/event/atp-sinner-cerund-2026-05-28
**Category:** Sports
**Resolves by:** Jun 4, 2026
**Last fetched:** 2026-05-28T06:55:41.195Z

## Live snapshot

| Metric | Value |
|---|---|
| YES probability | **98¢** (98%) |
| Δ 1h | +0.0pp |
| Δ 24h | +0.3pp |
| Δ 1w | +0.0pp |
| 24h volume | $192.0K |
| Lifetime volume | $202.9K |
| Liquidity (orderbook depth) | $100.0K |
| Spread | 0.10pp |

## Resolution

**Resolves by:** Jun 4, 2026

**Source:** https://www.atptour.com/en/scores/current

### Market description (verbatim from Polymarket)

> This market refers to the tennis match between Jannik Sinner and Juan Manuel Cerundolo in the Roland Garros ATP, originally scheduled for May 28, 2026 at 5:00AM ET.
> 
> This market will resolve to 'Jannik Sinner' if Jannik Sinner advances against Juan Manuel Cerundolo.
> 
> This market will resolve to 'Juan Manuel Cerundolo' if Juan Manuel Cerundolo advances against Jannik Sinner.
> 
> 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 ATP Tour. A consensus of credible reporting may also be used.

## Top holders

**Top YES holders**

- `0x4e8b…05bd` — 39,471.79 shares
- `0xf3b0…23a1` — 19,593.462 shares
- `0x4900…4a72` — 15,212.91 shares
- `0x4920…2ef4` — 10,219.777 shares
- `0x22e4…66e5` — 9,859.96 shares

**Top NO holders**

- `0x44a1…bd21` — 61,569.025 shares
- `0xafe6…8192` — 26,533.89 shares
- `0x1574…64c9` — 10,649.276 shares
- `0x21f3…35e3` — 6,576.312 shares
- `0x5d76…9168` — 6,139.473 shares

## 7-day price-history summary

| Metric | Value |
|---|---|
| Sample count | 17 |
| Window start | 2026-05-26T23:00:04.000Z |
| Window end | 2026-05-27T14:51:03.000Z |
| Range | 96¢ → 98¢ |
| Net change | +0.3pp |

Full series available as JSON via `GET https://orrery.me/api/markets?slugs=atp-sinner-cerund-2026-05-28` — the chart on the human page is rendered from this same data.

## Cite this

```
Orrery. "Roland Garros ATP: Jannik Sinner vs Juan Manuel Cerundolo — 98% on Polymarket."
Retrieved 2026-05-28T06:55:41.195Z from https://orrery.me/markets/atp-sinner-cerund-2026-05-28.
```

---

*Orrery is a public, read-only intelligence terminal for prediction markets. Not affiliated with Polymarket. Not investment, legal, or tax advice. Numbers are fetched live; citation timestamp matters. See <https://orrery.me/disclaimer>.*