Posted Line Trajectory: Flat (0.0 over 6 games)Settled / Live Release · Full Dossier Unlocked

Jayson Tatum Rebounds Prop (Boston Celtics @ Orlando Magic, ): Fair Line 7.5 (-184) vs 8.5 Market

By WagerBird Quantitative Research Desk · SkyBurst Technology, Inc. (NJ DGE Vendor #0096475) · Released · Last updated (CT)

FanDuel: Under 8.5 (-135)Modeled Edge: +14.0% EV · Fair Value 7.5 (-184)
Pick & Release Line
UNDER 8.5 (+115)
Fanatics
Modeled Fair Line
7.5
1.0 Pt Delta
Modeled Fair Price
-184
+14.0% EV
Posted Line Drift
8.5 → 8.5 (0.0)
Last 6 Active Games
Matchup (CT)
BOS @ ORL
NBA Props Lane CLV
73 / 11 / 36
Beat / Tied / Lost

Sportsbook Posted Rebounds Line Trajectory (Last 6 Active Games)

Pre-game sportsbook posted rebounds total each game vs. WagerBird Modeled Fair Line.

Posted Book Line WagerBird Fair (7.5 / -184)
Across the last 6 active games (Oct 20 to Nov 1), Jayson Tatum's posted rebounds line has held net flat at 8.5. WagerBird's modeled fair line for BOS @ ORL is 7.5 (-184).9.58.98.37.77.16.5WB FAIR LINE: 7.58.58.58.58.58.58.5Oct 20BOS @ DETOct 23NYK @ BOSOct 26CHI @ BOSOct 27BKN @ BOSOct 30CHI @ BOSNov 1BOS @ ORL

Trajectory Readout: Across the last 6 active games (Oct 20 to Nov 1), Jayson Tatum's posted rebounds line has held net flat at 8.5. WagerBird's modeled fair line for BOS @ ORL is 7.5 (-184).

6-Game Posted Rebounds Ledger (Jayson Tatum)

America/Chicago (CT)
Date (CT)MatchupPosted LineMoveActualResult
BOS @ DET8.5 (-111)—4Under
NYK @ BOS8.5 (-102)0.09Over
CHI @ BOS8.5 (-125)0.07Under
BKN @ BOS8.5 (+105)0.05Under
CHI @ BOS8.5 (+110)0.07Under
BOS @ ORL8.5 (+115)0.04Under

Canonical pre-game posted line across 5 licensed partner sportsbooks. Missing or uncaptured feed values always render —.

Compare Licensed Partner Books: Execute or compare live quotes and prediction markets (Kalshi code WBIRD1).
Sticky Book Anchoring Meter · Book Ahead of Production6-Game Window

Jayson Tatum Rebounds Sticky Book Anchoring Meter (Book Step-Lag vs. Actual Box-Score Surplus)

Books adjusted 0.0 vs. -2.5 actual output delta (-2.5 Book Over-Adjustment).

Unpriced Book Step-Lag-2.5Max Single-Game Book Step: 0.0
Window Open Line
8.5
Current Posted Line
8.5
Book Cumulative Step
0.0
Actual Window Avg
6.0
Actual Output Delta
-2.5
Modeled Fair Value
7.5 (-184)
Posted Book Step Line vs. Box-Score Output
Book Line Actual Stat
Jayson Tatum Sticky Book Anchoring Meter: 6-game Posted Rebounds Line vs Actual Box-Score Output1134Oct 20@ DET9Oct 23vs NYK7Oct 26vs CHI5Oct 27vs BKN7Oct 30vs CHI4Nov 1@ ORL
Game (CT)Posted LineBook StepActualBox Surplus
Oct 20 · @ DET8.5—4-4.5
Oct 23 · vs NYK8.50.09+0.5
Oct 26 · vs CHI8.50.07-1.5
Oct 27 · vs BKN8.50.05-3.5
Oct 30 · vs CHI8.50.07-1.5
Nov 1 · @ ORL8.50.04-4.5

WagerBird Write-Up · Jayson Tatum Rebounds (Under 8.5)

Full Dossier Unlocked
Write-Up Thesis

Tatum's opening rebounding production has remained below the required total despite already playing substantial minutes.

01 · Fundamental Driver

Minutes already substantial

6.3 RPG · 36.1 MIN · FIRST 4 GAMES — Tatum averaged 6.3 rebounds while already playing 36.1 minutes through four games. The 36-minute expectation does not rely on a reduction in his normal court time.

02 · Fundamental Driver

Latest full workload

7 REB · 35 MIN LATEST — His latest appearance supplied seven rebounds in 35 minutes. The 7.5-rebound forecast moves above that result but does not assume that a similar workload automatically produces a much larger board total.

Red Team · Counter-Case & Risk Factors

Thesis Invalidation Risks

Robinson sitting could shift Tatum into more interior minutes and give him a larger share of defensive boards. Orlando's misses could then turn a routine Boston lead into a strong rebounding night for him.

Settlement Rule: CASHES WITH EIGHT OR FEWER JAYSON TATUM REBOUNDS; NO PUSH AT 8.5.

WagerBird Nucleus Drift · Team Prop Signal

BOS @ ORL · Boston Celtics Points Nucleus Drift ()

Tracks game-by-game pre-game sportsbook posted points lines across Boston Celtics's 5 primary contributors.

BOS Nucleus Drift4 of 5 Core Props Adjusted DownMarket Suppressing Team Scoring Ceiling — Implied Team Total Pressure: Bearish
Boston Celtics Contributor
Nov 1
@ ORL
Nov 2
@ HOU
Nov 4
vs MIL
Nov 6
@ CHA
Game-Over-Game MovePosted Line TrendTrend Badge
Jayson Tatum
BOS · Points
26.527.527.526.5-2.0Trending Down ↓
Paul George
BOS · Points
18.517.521.517.5-2.0Trending Down ↓
Payton Pritchard
BOS · Points
14.515.519.513.5-1.0Trending Down ↓
Derrick White
BOS · Points
13.514.517.513.5-2.0Trending Down ↓
Neemias Queta
BOS · Points
9.58.510.59.5+1.0Trending Up ↑
Boston Celtics (BOS)4 of 5 Core Props Adjusted Down

Market Suppressing Team Scoring Ceiling — Implied Team Total Pressure: Bearish

Orlando Magic (ORL)3 of 5 Core Props Adjusted Down

Market Suppressing Team Scoring Ceiling — Implied Team Total Pressure: Bearish

Connected Matchup Hubs: Explore full game market consensus and team dossiers.
Verified Player CLV & Write-Up Receipt Vault2 Tracked Write-Ups

Jayson Tatum Closing-Line Value & Prop Write-Up Receipt Vault (1 Beat, 0 Tied, 1 Lost)

1 Beat / 0 Tied / 1 Lost closing line value record across 2 settled Jayson Tatum prop write-ups.

Jayson Tatum CLV Counts
1 Beat · 0 Tied · 1 Lost
2 Settled CLV Receipts
Date (CT)MatchupMarketRelease QuoteClosing LineActualCLV GradeWrite-Up
Nov 1BOS @ ORLReboundsUnder 8.5 (-132) · FanDuel8.54BeatRead Write-Up →
Oct 20BOS @ DETReboundsOver 8.5 (-115) · FanDuel8.54LostRead Write-Up →

Archived Settled Jayson Tatum Prop Write-Ups

Nov 1 CT · BOS @ ORL · ReboundsFull Write-Up →

Tatum's opening rebounding production has remained below the required total despite already playing substantial minutes.

Counter-Case: Robinson sitting could shift Tatum into more interior minutes and give him a larger share of defensive boards. Orlando's misses could then turn a routine Boston lead into a strong rebounding night for him.

Oct 20 CT · BOS @ DET · ReboundsFull Write-Up →

Tatum's strong rebounding involvement supports the required total with a normal starting workload.

Counter-Case: Robinson and Queta can gather the defensive misses before Tatum reaches them, while Detroit's bigs can keep him occupied with box-outs. Shorter stints or unusually accurate shooting at both ends can remove the remaining opportunities.

NBA Player Props Closing-Line Value Record (73 Beat, 11 Tied, 36 Lost)

WagerBird grades Closing-Line Value (CLV) by comparing each timestamped release line and price against the release sportsbook's final pre-game closing number (through Nov 6 CT).

Download Raw Signal Audit Log (.CSV)
Prop Lane WindowBeat CloseTied CloseLost Close
Season to date (from Sep 23 CT)731136
Last 30 days (from Oct 8 CT)731136