Developing The Thunder Went 39-10 Without Jalen Williams. That Is the Wrong Number for Pricing OKC at +340

A broken fibula and a dislocated ankle pushed Oklahoma City from +220 to +340 at FanDuel and handed the Spurs the favourite's spot. The regular-season split says the market overreacted. Title futures pay on playoff wins, though, and last May's playoff run says otherwise. If you want OKC anyway, there is a 45-cent gap between books.

October 26, 2026 at 5:51 PM EDT

5 min read

Jalen Williams was carried off on a stretcher with 1:14 left on Sunday night, in a game the Thunder had already won. Kris Dunn's foul on the drive was upgraded to a flagrant-1 on review. On Monday afternoon Sam Presti gave the diagnosis: a fractured left fibula and a dislocated left ankle. Williams needs surgery, and there will be no timetable until after it. The Associated Press wrote that it is reasonable to expect he could miss the rest of the season.

The futures market had already moved. FanDuel had Oklahoma City at +220 to win the title before the injury. By Monday afternoon it had them at +340, according to Covers' board. That takes the implied chance from 31.3% to 22.7%, vig included, and puts the Spurs (+300) ahead of the defending West top seed.

NBA on ESPN with the latest on Jalen Williams and Cason Wallace after both were hurt against the Clippers.

The case that the market overreacted

The argument will be everywhere this week, and it is a good one. Last season Williams played 33 regular-season games. The Thunder went 25-8 in those games and 39-10 in the 49 he missed, according to StatMuse's split. They finished 64-18, the best record in the league, though a recurring right hamstring strain kept Williams out for most of the stretch from January 18 to March 23. Shai Gilgeous-Alexander is still here. So is the depth that won that 39-10. A team that loses its second-best player and wins at a .796 clip without him has, on that evidence, already shown what it looks like without him.

The objection is that title futures do not pay on a regular-season record.

Why 39-10 is the wrong number

A championship ticket pays on 16 playoff wins. On that measure last season reads very differently. Oklahoma City swept Phoenix and the Lakers, then led the Spurs 3-2 in the conference finals and lost the last two games. Williams played five playoff games and started four, after a left hamstring strain that began on April 23. The season summary attributes the conference-finals loss in large part to injuries to him and Ajay Mitchell. In other words, the one stretch where the Thunder had to beat an elite opponent four times in seven games without a fully fit Williams ended in a Game 7 loss to the team the market now makes the favourite.

The regular-season split also mixes many opponents. A 39-10 record built against the league's middle class tells you that OKC beats ordinary teams without him, which nobody doubted. It does not tell you how they handle Victor Wembanyama's Spurs across a seven-game series. The 5.1-point drop in scoring between his games and the others (122.1 against 117.0 per game) hints at what changes.

And this is not one injury. Cason Wallace, hurt in the first quarter of the same game, has a left labral tear and also needs surgery. AP notes that such repairs usually take several months of rehab. Chet Holmgren sat out Monday's game against Phoenix with right patellar tendinitis. Yahoo's injury report says that may be precautionary on a back-to-back, but he also missed all five preseason games. The 39-10 team had Wallace. This one will not for a while.

What the move from +220 to +340 actually prices

Look at the conference and title prices together. FanDuel has OKC at +185 to win the West, a 35.1% implied chance, and +340 for the title, 22.7%. Divide one by the other and the book is pricing the Thunder at about 65% to win the Finals if they get there. For the Spurs (+165 West, +300 title) the same figure is about 66%. Both numbers carry vig, so treat them as rough. The book's view, then, is not that OKC got weaker in the Finals. It is that OKC has become less likely to get out of the West, where the Spurs are. That is the right place for the injury to show up.

Is 8.5 points of implied probability too much? Make the cleanest assumption: Williams misses the playoffs and Wallace returns in time. Then last May's conference finals is the closest evidence we have, and it went seven games and the wrong way. On that reading the move is about right, and possibly not enough. If you believe Williams is back by April, +340 is a good price. If you do not, it is a fair price, not a bargain.

Shop it: the books disagree by 45 cents

The same Covers board shows something more useful to a bettor than the overreaction argument. DraftKings has OKC at +295 and BetMGM at +300, so both still have the Thunder level with the Spurs. FanDuel alone has moved them to +340. That is a 2.6-point spread in implied probability on the same team at the same moment. Anyone who wants an OKC ticket should not be buying it at +295.

The Spurs, by contrast, are +295 to +300 everywhere. Covers did not publish their pre-injury price, so we cannot say how far San Antonio moved, only that the three books now agree on it. The 76ers (+850 at BetMGM against +950 elsewhere) and the Knicks (+1,000 at all three) did not move enough for us to read anything into it.

The strongest case for buying the dip

The best version of the bullish case is about time. It is October 26. The trade deadline, the disabled player exception AP mentions, and a stock of future draft picks give Presti three ways to replace Williams' minutes before the stretch run. Holmgren's tendinitis may turn out to be nothing. And a fracture is a different injury from the hamstring strains that kept coming back last season. Presti chose his words carefully: "We say within our walls all the time there's a difference between being positive and being optimistic." That is not a front office writing off April.

We accept most of that. What would change our view is the post-surgery timetable. If the team publishes a recovery window that ends before mid-April, the playoff assumption above is wrong, and +340 at FanDuel is too long, not fair. If the window runs past the start of the playoffs, or the team still will not give one by the trade deadline, the market has priced it correctly. Until then the honest position is that we do not know. The one decision available today without a forecast is to take the best price on whichever side you like.

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