# Will Victoria Mboko win a Tennis Grand Slam in 2026

> Liquidity-weighted aggregate at 9% across 10 contracts — refreshed 40 min ago.

URL: https://simplefunctions.dev/odds/wtagrandslam
Updated: 2026-07-27T07:20:50.573Z
Category: sports
Status: active
Closes: 2026-12-31

## Headline

- Probability: 9% (liquidity-weighted across 10 contracts)
- Venue: Kalshi (10 contracts)
- 24h volume: $172

## Bound contracts (10)

| Outcome | Price | 24h | Volume | Venue | Slug |
|---|---|---|---|---|---|
| Coco Gauff | 7¢ | +1pp | $169 | kalshi | /markets/will-coco-gauff-win-a-tennis-grand-slam-in-2026-co-kalshi-kxwtagrandslam-26-cgau |
| Aryna Sabalenka | 19¢ | −1pp | $3 | kalshi | /markets/will-aryna-sabalenka-win-a-tennis-grand-slam-in-20-kalshi-kxwtagrandslam-26-asab |
| Ekaterina Alexandrova | 6¢ | — | $0 | kalshi | /markets/will-ekaterina-alexandrova-win-a-tennis-grand-slam-kalshi-kxwtagrandslam-26-eale |
| Iga Swiatek | 8¢ | ±0 | $0 | kalshi | /markets/will-iga-swiatek-win-a-tennis-grand-slam-in-2026-i-kalshi-kxwtagrandslam-26-iswi |
| Iva Jovic | 3¢ | −1pp | $0 | kalshi | /markets/will-iva-jovic-win-a-tennis-grand-slam-in-2026-iva-kalshi-kxwtagrandslam-26-jov |
| Jasmine Paolini | 23¢ | — | $0 | kalshi | /markets/will-jasmine-paolini-win-a-tennis-grand-slam-in-20-kalshi-kxwtagrandslam-26-jpao |
| Jessica Pegula | 5¢ | −1pp | $0 | kalshi | /markets/will-jessica-pegula-win-a-tennis-grand-slam-in-202-kalshi-kxwtagrandslam-26-jpeg |
| Leylah Fernandez | 10¢ | — | $0 | kalshi | /markets/will-leylah-fernandez-win-a-tennis-grand-slam-in-2-kalshi-kxwtagrandslam-26-lfer |
| Madison Keys | 3¢ | +1pp | $0 | kalshi | /markets/will-madison-keys-win-a-tennis-grand-slam-in-2026-kalshi-kxwtagrandslam-26-mkey |
| Elina Svitolina | 6¢ | −3pp | $0 | kalshi | /markets/will-elina-svitolina-win-a-tennis-grand-slam-in-20-kalshi-kxwtagrandslam-26-svi |

## 30-day trajectory

| Day | Aggregate |
|---|---|
| 2026-06-27 | 38 |
| 2026-07-13 | 12 |
| 2026-07-20 | 21 |
| 2026-07-27 | 3 |

_30 days of price history captured. Each row is the daily mean of intraday 5-min captures._

## What moved the line

- 2026-07-21 · Aryna Sabalenka +3pp 21→24¢ · kalshi
- 2026-07-22 · Aryna Sabalenka −3pp 24→21¢ · kalshi
- 2026-07-25 · Elina Svitolina −3pp 9→6¢ · kalshi

## Analysis

This 20% probability reflects the market's assessment that Victoria Mboko will win at least one Grand Slam tournament in 2026. The relatively low odds reflect both her current ranking outside the top contenders and the general difficulty of winning a Grand Slam, where only a handful of players typically contend each year. Market probability could shift based on Mboko's performance during the 2026 Grand Slam tournaments (Australian Open in January, French Open in May/June, Wimbledon in June/July, US Open in August/September) and how her current form compares to established champions. The main catalyst for resolution is the completion of all four Grand Slam events throughout 2026, with each tournament representing a significant opportunity to either confirm or reduce her winning chances.

### Key factors

- Mboko's current ranking and recent performance trend heading into 2026 Grand Slam season
- Head-to-head competitive positioning against established tour winners and other rising players in her draw
- Completion of all four Grand Slam tournaments throughout 2026, with early results informing market expectations for later events
- Injury status and playing schedule consistency across the full calendar year
- Relative market pricing of other young players like Mirra Andreeva (8¢) versus Mboko (20¢) as indicators of perceived competitive gap

## Methodology

Probability is **liquidity-weighted** across all bound Kalshi/Polymarket contracts: Σ(price × volume) ÷ Σ(volume). 30-day trajectory uses the daily mean of intraday 5-min captures. 24h delta = today's mean − yesterday's mean. Movement events are ≥3pp daily moves in the last 7 days.

## How to use this data

- HTML: https://simplefunctions.dev/odds/wtagrandslam
- JSON: https://simplefunctions.dev/api/public/odds?slug=wtagrandslam

## License

CC-BY-4.0. Attribute "SimpleFunctions" with a link to https://simplefunctions.dev. See https://simplefunctions.dev/legal for terms.