Will Scottie Scheffler win the grand slam before 2028?
Scheffler has a real, non-trivial path to the career grand slam within this window, and the market looks too pessimistic at 5%. I’d put the chance around 28% because his baseline major-winning rate is elite and he still has multiple attempts before 2028.
Analysis
Scheffler is the kind of player whose grand-slam odds should be driven by sustained major contention, not by a single hot streak. The available context points to exactly that profile: he remains the world’s best or near-best player, continues to rack up elite results, and is still being priced and discussed as the consensus favorite in major-championship markets. If he needs only one remaining major, two full seasons of four majors each gives him enough runway for a meaningful shot; if he needs more than one, the probability falls, but it still remains far above a coin-flip’s long-tail chance because he is already operating at the very top of the sport.
The main reason to keep the probability below the market’s implied “almost impossible” view is that winning a specific major is hard even for the best golfer in the world. Major variance is high, and Scheffler has not yet converted every elite performance into the exact wins he needs, so there is a genuine chance that the calendar runs out before the right combination of form, venue fit, and weekend putting lines up. Still, the market’s 5% looks too low for a player with Scheffler’s current dominance, durability, and repeated presence near the top of major leaderboards.
Compared with the current price, I think the market is underestimating both his baseline likelihood of adding majors and the simple amount of time remaining. The contract only needs one favorable run before the end of 2027, and Scheffler should enter most major fields as one of the top few favorites. That does not make the outcome likely in an absolute sense, but it makes 5% look closer to an outcome you would assign to an aging player with declining form, not to an active world No. 1 in his prime.
Arguments
For
- He remains the consensus top-tier player and a frequent favorite in major previews, which supports a meaningful win probability.
- He has enough remaining attempts that even a modest per-event major win rate can compound into a respectable chance of completion.
Against
- Winning a career grand slam requires very specific outcomes under severe pressure, and many elite golfers never finish the set.
- If the remaining missing majors are more than one, the path becomes much narrower than the market narrative suggests.
Key drivers
- Scheffler’s elite baseline skill and consistent contention give him repeated chances in the remaining majors.
- The time window still includes multiple major championships, which materially increases the odds of one breakthrough run.
Risk factors
- Major championships have high variance, and even top favorites win only a minority of the time.
- If Scheffler still needs more than one specific major, the probability of completing the full set before 2028 drops sharply.
Scenarios
Best case
Scheffler continues to dominate major leaderboards, wins one or more of the next several majors, and completes the career grand slam comfortably before the deadline.
Most likely
Scheffler contends in several majors and likely wins at least one more, but the career grand slam remains uncertain because the last required title is still hard to secure on a fixed timeline.
Worst case
He remains excellent but never gets the right combination of course fit and weekend performance, leaving the grand slam unfinished by the end of 2027.
More from this day
- PoliticsKalshi1y
2026: Trump's bad year?
AI71%MKT7%Edge+64Hidden GemTrump looks more likely than not to have a clearly negative 2026 by the market’s own bear-case standard: repeated legal setbacks, court limits, and headline damage are already piling up. The market appears to be pricing an almost-no-risk outcome despite a year that is structurally set up for more confrontation and reversals.
- pop culturePolymarketEnded
"Practical Magic 2" 2nd Weekend Box Office
AI24%MKT2%Edge+22Hidden GemI think a sub-$10 million second weekend is possible but still not the most likely outcome. The opening was soft enough to raise concern, yet a $30 million debut still gives the film a lot of room to stay above that threshold unless the drop is unusually severe.
- CompaniesKalshi1y
Starbucks total global stores in 2026
AI95%MKT78%Edge+17Hidden GemStarbucks looks highly likely to finish 2026 above 41,800 global stores. The latest reported count and management’s net-new store guidance already place the company on a path comfortably above the threshold unless there is an unusually large reversal.