Will Scottie Scheffler win the grand slam before 2028?

Kalshi's prices put the chance of Yes at 6%.

Chances and prices from Kalshi’s public order book at Oct 30, 2026, 4:02 PM ET. Updated daily.

Chance of Yes, from Kalshi’s pricesYes or No market
6%
Yes costs
6c
No costs
95c
A Yes contract pays $1 if the market settles Yes and nothing if it settles No. The chance is the midpoint of the best bid and offer in Kalshi’s public order book.

What settles it.

This market has one rule, shown below.

Kalshi’s ruleYes or No
If Scottie Scheffler wins the golf grand slam (winning the Masters, the PGA Championship, the U.S. Open, and the Open Championship) in a single year before Jan 1, 2028, then the market resolves to Yes.
Source: Kalshi’s published market rules. Kalshi decides how every market settles. How Kalshi settlement works.

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EVDESK is research and trading software. It is not a broker, not an exchange, not a fund and not investment advice. Prices and chances on this page are read from Kalshi’s public market data at the time shown and move constantly. Prediction-market trading can lose money. See the Risk Disclosure. Not affiliated with Kalshi, Inc.