← Forecasts for May 18

2025-26 · Playoffs · Final

San Antonio Spurs at Oklahoma City Thunder

Monday, May 18, 2026 · tip-off 8:30 PM ET

SAS 3–4@OKC 3–7 records going into the game NBA.com recap ↗

Win probability as a share of the court: SAS 24 percent, OKC 76 percent. SAS Spurs 24% proj. 101 · final 122 OKC Thunder · home 76% proj. 111 · final 115
Each team's share of the floor is its pregame win probability. The line starts at midcourt and moves to the split.

Forecast and result

TeamProjectedFinalDifference
SAS San Antonio Spurs 101 122 +21
OKC Oklahoma City Thunder (home) 111 115 +4

Forecast: Oklahoma City Thunder to win, 76% win probability, projected margin 10.

Inside the Forecast

How the inputs are built
What the model received
InputSASOKC
Elo ratingMargin-of-victory Elo; 1500 is average. 17681759
Elo gap, home minus road, incl. home court +62
Season scoring marginPoints per game, blended with last season early in the year. +8.9+11.8
Games played this season 9489
Offensive rating, last 10Points scored per 100 possessions. 117.2121.9
Defensive rating, last 10Points allowed per 100 possessions; lower is better. 102.4113.5
Combined pace, last 10Possessions per game, both teams. 98.6
Rotation points missingPoints per game of rotation players listed Out or Doubtful. 0.00.0
Rest days 35
Second night of a back-to-back NoNo
Playoff series state 0 home series wins

This forecast can't be broken down exactly: the model version that made this forecast is not available. Explanations are shown only when the model that made a forecast can be rebuilt and reproduces it. How explanations are checked

Built from the box scores

How the breakdowns work

Where each input came from. Open a row to see the games and box-score stats behind it. A breakdown is shown only when rebuilding it from the stored stats gives exactly the number the model received.

Elo ratingSAS1768OKC1759

Updated after every game from the final score only: wins, losses and margin. Each season starts by keeping 75% of last season's distance from the 1500 average.

SAS1768

1500
  1. Ended last season at 1417 → started this one at 1438
  2. First 84 games: +302.1
  3. Last 10 games: +28.0
  • LPOR103–106−12.2
  • W@POR120–108+7.0
  • W@POR114–93+9.6
  • WPOR114–95+3.9
  • LMIN102–104−9.3
  • WMIN133–95+10.3
  • W@MIN115–108+5.9
  • L@MIN109–114−9.8
  • WMIN126–97+7.9
  • W@MIN139–109+14.7

OKC1759

1500
  1. Ended last season at 1760 → started this one at 1695
  2. First 79 games: +77.9
  3. Last 10 games: −14.0
  • L@DEN107–127−21.4
  • LPHX103–135−52.7
  • WPHX119–84+9.6
  • WPHX120–107+4.4
  • W@PHX121–109+7.8
  • W@PHX131–122+6.1
  • WLAL108–90+7.0
  • WLAL125–107+6.5
  • W@LAL131–108+13.9
  • W@LAL115–110+4.8
Season scoring marginSAS+8.9OKC+11.8

Points scored minus points allowed per game this season, mixed with last season's margin until 20 games are played.

SAS+8.9

Scores 119.4, allows 110.5 over 94 games: +8.9 a game.

OKC+11.8

Scores 119.3, allows 107.6 over 89 games: +11.8 a game.

Offensive rating, last 10SAS117.2OKC121.9

Points scored per 100 possessions. Split into the four factors: right of center helps the team, left hurts, in points per 100 possessions compared with the league average (2025-26 to date: 114.6).

SAS117.2scored, +2.6 vs league

FactorSASLeaguehurtshelpsPts
Shooting (eFG%)56.3%54.6%+2.7
Turnovers (TOV%)12.2%12.2%−0.0
Offensive rebounding (OREB%)27.2%26.1%+0.5
Free throws (FTM per FGA)0.2410.210+0.9
Everything else−1.4

OKC121.9scored, +7.3 vs league

FactorOKCLeaguehurtshelpsPts
Shooting (eFG%)57.5%54.6%+4.5
Turnovers (TOV%)10.0%12.2%+3.2
Offensive rebounding (OREB%)27.9%26.1%+0.8
Free throws (FTM per FGA)0.1810.210−0.8
Everything else−0.4
Defensive rating, last 10SAS102.4OKC113.5

Points allowed per 100 possessions, built from what opponents did in those games. Bars point right when the defense held opponents below average. Split into the four factors: right of center helps the team, left hurts, in points per 100 possessions compared with the league average (2025-26 to date: 114.6).

SAS102.4allowed, −12.2 vs league

FactorOpponentsLeaguehurtshelpsPts
Shooting (eFG%)46.5%54.6%+12.2
Turnovers (TOV%)11.4%12.2%−1.2
Offensive rebounding (OREB%)25.6%26.1%+0.2
Free throws (FTM per FGA)0.2000.210+0.3
Everything else+0.7

OKC113.5allowed, −1.2 vs league

FactorOpponentsLeaguehurtshelpsPts
Shooting (eFG%)55.2%54.6%−0.9
Turnovers (TOV%)14.6%12.2%+3.4
Offensive rebounding (OREB%)27.9%26.1%−0.8
Free throws (FTM per FGA)0.1780.210+0.9
Everything else−1.4
Pace, last 10average 98.6

Possessions per 48 minutes. The model uses the average of the two teams. Faster games mean more points for both sides, so pace mostly moves the projected total, not the margin.

SAS 100.4 and OKC 96.8 → average 98.6 (league 2025-26 to date: 100.0)

Rotation points missingSAS0.0OKC0.0

Points per game of rotation players (two or more of the last 10 games this season, 15+ minutes) listed Out or Doubtful on the official injury report.

SAS0.0pts/g missing

Every rotation player was available.

Source: official injury report, 2026-05-18 17:30 ET. 8 rotation players.

OKC0.0pts/g missing

Every rotation player was available.

Source: official injury report, 2026-05-18 17:30 ET. 10 rotation players.

RestSAS3 daysOKC5 days

Days since the team's previous game, capped at 5. One day means the second night of a back-to-back.

SAS3days

Last played May 15 against MIN.

OKC5days

Last played May 11 against LAL (7 days, capped at 5).

The last 10 games behind these numbers, box-score totals

SAS

DateOppScoreFG3PFTTOVOREBOffDefPace
May 15@MIN139–10949-8818-3823-271512133.7103.8104.5
May 12MIN126–9747-8911-3221-271511122.394.2103.0
May 10@MIN109–11441-866-2621-271413107.9115.2100.0
May 8@MIN115–10839-8512-3325-3398113.9106.9101.0
May 6MIN133–9545-9016-3927-331513122.086.4109.5
May 4MIN102–10439-8710-3614-181313106.3108.396.0
Apr 28POR114–9541-7512-3020-29147121.399.095.0
Apr 26@POR114–9343-8714-3314-17129116.393.099.0
Apr 24@POR120–10841-8716-3322-281314122.4109.198.5
Apr 21POR103–10638-867-2420-281612106.2108.297.5

OKC

DateOppScoreFG3PFTTOVOREBOffDefPace
May 11@LAL115–11042-8111-3120-24116117.3112.298.0
May 9@LAL131–10853-9417-388-10912140.9117.492.5
May 7LAL125–10745-8114-3621-26129127.6111.597.0
May 5LAL108–9042-8513-3011-12149116.195.793.5
Apr 27@PHX131–12244-8217-3426-301613136.5125.896.5
Apr 25@PHX121–10945-9112-3719-2178122.2111.298.5
Apr 22PHX120–10743-9114-4020-251012120.0108.199.5
Apr 19PHX119–8442-9314-4621-23619129.390.392.5
Apr 12PHX103–13541-9518-463-9108105.1137.898.0
Apr 10@DEN107–12742-9914-449-121315103.9124.5102.5

Off and Def are points scored and allowed per 100 possessions in each game; their averages are the 10-game ratings above. OREB is missing (–) where the source data didn't record it.

The result against the forecast

2025-26 surprise games
24%
pregame chance the forecast gave SAS, the winner
the forecast favored OKC
17 pts
margin miss
forecast +10, actual −7 for OKC
45th
most surprising result of 2025-26
of 1,309 graded games
292nd
largest margin miss of 2025-26
outcome surprise 1.42 nats

Surprise is measured against this model's forecast, not against what other observers expected. Outcome surprise is −ln(winner's pregame probability): 0.69 for a coin flip, 2.3 for a 10% winner.

Team box score

What happened in the game. These numbers are not used by the forecast, and they are not offered as the reason it missed.

Team statSASOKC
Final score122115
Field goals41–96 · 42.7%41–101 · 40.6%
Three-pointers13–43 · 30.2%17–45 · 37.8%
Free throws27–29 · 93.1%16–19 · 84.2%
Rebounds6140
Assists2525
Turnovers2114
Steals1114
Blocks78

Where the forecast differed from the result

MeasureForecastActualActual − forecast
Home margin (OKC)+10−7−17
Total points212237+25
SAS points101122+21
OKC points111115+4

Recent form before this game

San Antonio Spurs

DateOpponentResult
May 15 at MIN W 139–109
May 12 vs MIN W 126–97
May 10 at MIN L 109–114
May 8 at MIN W 115–108
May 6 vs MIN W 133–95

Oklahoma City Thunder

DateOpponentResult
May 11 at LAL W 115–110
May 9 at LAL W 131–108
May 7 vs LAL W 125–107
May 5 vs LAL W 108–90
Apr 27 at PHX W 131–122

Previous meetings

DateMatchupScore
Feb 4 2025-26 OKC at SAS OKC 106 – 116 SAS
Jan 13 2025-26 SAS at OKC SAS 98 – 119 OKC
Dec 25 2025-26 SAS at OKC SAS 117 – 102 OKC
Dec 23 2025-26 OKC at SAS OKC 110 – 130 SAS
Mar 2 2024-25 OKC at SAS OKC 146 – 132 SAS