SimpleFunctions
KalshiDec 31, 2026241 days left

Will Coco Gauff win a Tennis Grand Slam in 2026?

This contract is priced at 18¢ on Kalshi. Current book: 11¢ bid, 22¢ ask, 11¢ spread.

Implied probability

18¢
$2K volume
$616 liquidity
119% of event volume

Event outcomes

16

Family volume

$2K

Best sibling

Aryna Sabalenka 65¢

Ticker

KXWTAGRANDSLAM-26-CGAU

Price history

18¢ current

+5¢
25¢50¢75¢100¢
Apr 8, 2026Apr 19, 2026

Orderbook snapshot

11 / 22¢

Kalshi
11¢ spread
BidSize
100¢2.7K
11¢200
2¢252
AskSize
22¢200
26¢52
27¢210
28¢214
29¢299

Contract terms

Resolution, venue, and identifiers.

Resolution rules

If Coco Gauff wins a tennis major (the Australian Open, the U.S. Open, the French Open, or Wimbledon) before Dec 31, 2026, then the market resolves to Yes.

Venue

Kalshi

Closes

Dec 31, 2026

Identifier

KXWTAGRANDSLAM-26-CGAU

Indicators

Yield, cliff risk, volatility, and regime.

IY (Yes)

1223.5%

IY (No)

18.7%

Adj IY

0%

CRI

8

Overround

0.5%

LAS

1.00

Regime

neutral

Score

0.5

Full indicator table

1223.5%
18.7%
Adj IY
0%
8
Overround
0.5%
LAS
1.00

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