---
title: "Jannik Sinner: Grand Slam wins in 2027"
canonical_url: https://betcrypto.now/events/jannik-sinner-grand-slam-wins-in-2027
status: live
trading_closes_at: 2028-01-14T15:00:00+00:00
total_volume_usd: 2.62
venues: ["Kalshi"]
categories: ["Sports", "Tennis"]
prices_as_of: 2026-11-07T04:47:46+00:00
publisher: BetCrypto
data_api: https://betcrypto.now/api/v1/events/jannik-sinner-grand-slam-wins-in-2027
---

# Jannik Sinner: Grand Slam wins in 2027

Live · $3 traded · listed on Kalshi

## About

A tennis Grand Slam refers to the singles competition at one of the four major annual tournaments officially designated by the sport’s governing bodies: the Australian Open, French Open, Wimbledon, and the US Open. Doubles and mixed doubles competitions are excluded.

Kalshi is not affiliated, associated, authorized, endorsed by, or in any way officially connected with the Governing League. All trademarks, logos, and brand names are the property of their respective owners.

_From Kalshi's listing._

## Main market

| Outcome | Probability | Cheapest | Kalshi |
|---|---|---|---|
| 1+ Grand Slam wins | — | — | — |
| 2+ Grand Slam wins | — | — | — |
| 3+ Grand Slam wins | — | — | — |
| 4 Grand Slam wins | — | — | — |

## Open on a venue

- [Kalshi](https://betcrypto.now/go/e/1169375?via=md)

---

Probability is the cross-venue consensus (book midpoints, 0–100%). Venue columns are what buying costs there (the ask). Prices move constantly; re-check at the canonical URL or the [JSON API](https://betcrypto.now/api/v1/events/jannik-sinner-grand-slam-wins-in-2027).

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