Posted Line Trajectory: Trending Up (+2.0 over 6 games)Settled / Live Release · Full Dossier Unlocked

Ace Bailey Rebounds Prop (Portland Trail Blazers @ Utah Jazz, ): Fair Line 7.8 (-401) vs 5.5 Market

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

ProphetX: Over 5.5 (-104)Modeled Edge: +36.0% EV · Fair Value 7.8 (-401)
Pick & Release Line
OVER 5.5 (-104)
FanDuel
Modeled Fair Line
7.8
2.3 Pt Delta
Modeled Fair Price
-401
+36.0% EV
Posted Line Drift
3.5 → 5.5 (+2.0)
Last 6 Active Games
Matchup (CT)
POR @ UTA
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 (7.8 / -401)
Across the last 6 active games (Oct 21 to Oct 31), sportsbooks adjusted Ace Bailey's posted rebounds line upward in 2 of 5 game-over-game steps from 3.5 to 5.5 (+2.0). WagerBird's modeled fair line for POR @ UTA is 7.8 (-401).10.08.36.64.93.21.5WB FAIR LINE: 7.83.53.53.54.55.55.5Oct 21UTA @ MEMOct 23NOP @ UTAOct 25LAL @ UTAOct 26MEM @ UTAOct 28SAS @ UTAOct 31POR @ UTA

Trajectory Readout: Across the last 6 active games (Oct 21 to Oct 31), sportsbooks adjusted Ace Bailey's posted rebounds line upward in 2 of 5 game-over-game steps from 3.5 to 5.5 (+2.0). WagerBird's modeled fair line for POR @ UTA is 7.8 (-401).

6-Game Posted Rebounds Ledger (Ace Bailey)

America/Chicago (CT)
Date (CT)MatchupPosted LineMoveActualResult
UTA @ MEM3.5 (-165)—5Over
NOP @ UTA3.5 (-150)0.07Over
LAL @ UTA3.5 (-131)0.012Over
MEM @ UTA4.5 (-127)+1.010Over
SAS @ UTA5.5 (-130)+1.06Over
POR @ UTA5.5 (-104)0.07Over

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 Lagging Production6-Game Window

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

Actual output +4.3 vs. +2.0 book step adjustment (+2.3 Unpriced Book Lag).

Unpriced Book Step-Lag+2.3Max Single-Game Book Step: +1.0
Window Open Line
3.5
Current Posted Line
5.5
Book Cumulative Step
+2.0
Actual Window Avg
7.8
Actual Output Delta
+4.3
Modeled Fair Value
7.8 (-401)
Posted Book Step Line vs. Box-Score Output
Book Line Actual Stat
Ace Bailey Sticky Book Anchoring Meter: 6-game Posted Rebounds Line vs Actual Box-Score Output1515Oct 21@ MEM7Oct 23vs NOP12Oct 25vs LAL10Oct 26vs MEM6Oct 28vs SAS7Oct 31vs POR
Game (CT)Posted LineBook StepActualBox Surplus
Oct 21 · @ MEM3.5—5+1.5
Oct 23 · vs NOP3.50.07+3.5
Oct 25 · vs LAL3.50.012+8.5
Oct 26 · vs MEM4.5+1.010+5.5
Oct 28 · vs SAS5.5+1.06+0.5
Oct 31 · vs POR5.50.07+1.5

WagerBird Write-Up · Ace Bailey Rebounds (Over 5.5)

Full Dossier Unlocked
Write-Up Thesis

Bailey's established rebounding production and Utah's depleted frontcourt give him a strong route to six boards.

01 · Fundamental Driver

Production already supports the target

8.0 REB · 5 GAMES — Bailey averaged 8.5 rebounds through four games and added six against San Antonio, giving him an 8.0 average through five. He does not need a new level of rebounding production to reach the cashing threshold.

02 · Fundamental Driver

Frontcourt responsibility

2 FRONTCOURT ABSENCES · 32 PROJECTED MIN — Jackson and Nurkic are Out, leaving fewer established frontcourt options to finish possessions. Bailey remains part of the perimeter group when Markkanen returns, and a 32-minute afternoon provides substantial time to collect defensive misses.

Red Team · Counter-Case & Risk Factors

Thesis Invalidation Risks

Markkanen returning could take defensive rebounds away from Bailey and move him farther from the basket. Portland making its perimeter attempts would also remove the long rebounds that help this matchup.

Settlement Rule: CASHES ACE BAILEY OVER 5.5 REBOUNDS WITH SIX OR MORE REBOUNDS; NO PUSH IS POSSIBLE.

WagerBird Nucleus Drift · Team Prop Signal

POR @ UTA · Utah Jazz Points Nucleus Drift ()

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

UTA Nucleus Drift4 of 5 Core Props Adjusted DownMarket Suppressing Team Scoring Ceiling — Implied Team Total Pressure: Bearish
Utah Jazz Contributor
Oct 31
vs POR
Nov 2
@ SAS
Nov 4
@ NOP
Nov 6
@ DAL
Game-Over-Game MovePosted Line TrendTrend Badge
Keyonte George
UTA · Points
21.520.520.521.5-1.0Trending Down ↓
Lauri Markkanen
UTA · Points
21.519.521.520.5-1.0Trending Down ↓
Ace Bailey
UTA · Points
14.512.513.513.5-1.0Trending Down ↓
Darryn Peterson
UTA · Points
13.512.514.513.5-1.0Trending Down ↓
Jaxson Hayes
UTA · Points
8.57.59.58.50.0Flat →
Utah Jazz (UTA)4 of 5 Core Props Adjusted Down

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

Portland Trail Blazers (POR)1 of 5 Core Props Adjusted Up

Balanced Core Scoring Distribution — Implied Team Total Pressure: Neutral

Connected Matchup Hubs: Explore full game market consensus and team dossiers.
Verified Player CLV & Write-Up Receipt Vault1 Tracked Write-Up

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

0 Beat / 0 Tied / 1 Lost closing line value record across 1 settled Ace Bailey prop write-up.

Ace Bailey CLV Counts
0 Beat · 0 Tied · 1 Lost
1 Settled CLV Receipt
Date (CT)MatchupMarketRelease QuoteClosing LineActualCLV GradeWrite-Up
Oct 31POR @ UTAReboundsOver 5.5 (-143) · ProphetX5.57LostRead Write-Up →

Archived Settled Ace Bailey Prop Write-Ups

Oct 31 CT · POR @ UTA · ReboundsFull Write-Up →

Bailey's established rebounding production and Utah's depleted frontcourt give him a strong route to six boards.

Counter-Case: Markkanen returning could take defensive rebounds away from Bailey and move him farther from the basket. Portland making its perimeter attempts would also remove the long rebounds that help this matchup.

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