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Philadelphia 76ers at Boston Celtics, NBA forecast

FinalPHI wins series 4-3

Away

76ers

33-27

98–114

at

Home

Celtics

40-20

PHI 26%BOS 74%

You didn't pick this one.

TD Garden · NBC, Peacock, NBC Sports Phil

Win probability

Starts from the pregame forecast, then moves with every score and the time left. Above the line favors BOS; hover for each play.

BOS favored PHI favored109 scoring plays
Q1Q2Q3Q4BOS50%PHI

Game center

From the ESPN box score.

Top performers

76ers
Celtics

Last plays

  • Q40.0End of Game98–114
  • Q40.0End of the 4th Quarter98–114
  • Q416.4shot clock turnover98–114
  • Q438.4Sam Hauser defensive rebound98–114
  • Q442.0VJ Edgecombe misses 25-foot three point jumper98–114
  • Q450.6Baylor Scheierman makes 22-foot three point jumper (Jaylen Brown assists)98–114
  • Q41:11Neemias Queta defensive rebound98–111
  • Q41:11Tyrese Maxey misses 26-foot three point pullup jump shot98–111
  • Q41:19Neemias Queta makes two point shot98–111
  • Q41:19Neemias Queta offensive rebound98–109

Turning points

The 5 plays that swung the win chance most, each judged at its own moment: the chance with the score just before it against just after.

  1. Q11:34Jordan Walsh makes 25-foot three point jumper (Jaylen Brown assists)PHI 25 – 22 BOS · BOS 59% → 66% +7
  2. Q33.1Tyrese Maxey makes 30-foot three point jumper (Trendon Watford assists)PHI 83 – 89 BOS · PHI 10% → 17% +7
  3. Q411:23Derrick White makes 25-foot three point jumper (Payton Pritchard assists)PHI 83 – 92 BOS · BOS 83% → 90% +7
  4. Q411:02Tyrese Maxey makes 26-foot three point jumper (Adem Bona assists)PHI 86 – 92 BOS · PHI 10% → 17% +7
  5. Q49:57VJ Edgecombe makes 27-foot three pointerPHI 89 – 94 BOS · PHI 11% → 19% +8

The pick

Reconstructed from what was known before the game: the ratings at that point and the closing line.

Celtics 74%

StrongHit
PHI 26%BOS 74%

Forecast Elo ratings alone

How often that comes true: NBA favorites the forecast gave 70–75% have won 75.3% of 360 graded games.

Market
BOS -8.5
ML PHI +275 / BOS -345
Pre-line forecast
BOS 74%
Elo + market-implied
Elo ratings
BOS -8.5
BOS 80%
Ratings vs. market
+5.5 pts
BOS: Elo 79.9%, market 74.4%
Fair odds
BOS -291
PHI +291 · the forecast as odds, no margin
Pregame projection
PHI 105.5 – 114.0 BOS
Posted spread, posted total 219.5

How the number is built

Elo inputs in rating points (higher favors that team; 25–28 Elo is about a point of spread in football and basketball), then how the pieces combine.

FactorPHIBOSWhy
Team rating15161661Elo entering the game; 1500 is league average
Home field—+36Worth 36 Elo in the NBA
Lineups−54+5PHI: Weaker than its recent lineups · BOS: Stronger than its recent lineups (from the box score)
Elo ratingsBOS +239 EloBOS 79.9%
Market-implied ratingsBOS 73.3%Team strength as past closing lines priced it, same game context
Pre-line forecastBOS 74.0%10% Elo, 90% market-implied (log-odds blend)
ForecastBOS 74.4%Follows the market (vig removed): in testing, adding the ratings made it less accurate

Tale of the tape

This season coming into the game, regular season, each number with its league rank (the longer the bar, the higher). Home and road: the host's record at home against the visitor's on the road. Opponent Elo: how strong the teams each has played are, 1st the toughest. Offense and defense are points per 100 possessions, which sets aside how fast a team plays.

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Philadelphia 76ers and Boston Celtics compared, with each team's league rank
PHIStatBOS
11th of 30116.7Points scored115.019th of 30
18th of 30115.9Points allowed107.51st of 30
15th of 30+0.7Margin+7.53rd of 30
12th of 30113.5Offense rating118.02nd of 30
16th of 30112.7Defense rating110.26th of 30
17th of 30101.4Pace97.130th of 30
15th of 305–5Last 108–22nd of 30
8th of 3017–11Road vs home19–96th of 30
19th of 301498Opponent Elo148030th of 30
14th of 301516Elo rating16612nd of 30

Who's playing

Who sat out, from the box score, and what each absence cost against the lineups the team had been playing.

All player ratings →

76ers

−54 Elo

Full strength: nobody who matters sat out.

Celtics

+5 Elo

Full strength: nobody who matters sat out.

Rating history

Each team's Elo over the last two seasons. Hover or drag to compare on any date.

76ersCeltics
13501450155016501750league averageNovJanMarMayJulSepNov

Against the line

How each team has done against the closing spread and total, coming into this game.

This seasonPHIBOS
Against the spread34–2534–25
Last 105–57–3
Favorite20–1324–19
Underdog14–1210–6
Overs–unders32–2722–37
Overs–unders, last 106–43–7

Against each game's closing line. Books set every line knowing these records: across 3,901 past games, the team with the better record against the spread so far that season covered 51.2%, short of the 52.4% a standard −110 bet needs, and over/under streaks held 48.0% of the time. They describe the past.

Head to head

PHI 4–7 BOS in their last 11 meetings; the forecast called 7 of 11.