ATL vs COL prediction for May 1, 2026: Our Monte Carlo simulation ran 10,000 game iterations and projects COL 4.9 - ATL 5.3. ATL is favored with a 53.0% win probability. The run line is 1.5 and the total is 10.5. Model projects 10.2 total runs.
COL
4.9
Projected Score
VS
O/U 10.5
ATL
5.3
Projected Score
Win Probability
COLATL
+1.5
Run Line (COL)
10.5
Total Line
10,000
Simulations
Calibrated accuracy at this confidence: 53.6% (2,040 games)
Projected Runs Range 10th – 90th percentile
ATL
357
COL
357
Projected
COL 4.9 — ATL 5.3
Actual
COL 6 — ATL 8
Starting Pitcher Matchup
Grant Holmes R
ATL
SL38%85 mph48% whiff
FF35%95 mph12% whiff
CU11%84 mph23% whiff
Jose Quintana L
COL
FF30%90 mph22% whiff
SI21%90 mph5% whiff
CH20%86 mph36% whiff
Weather Impact
Coors Field
62°F12 mph wind
HR: 1.164 Total: 1.085
thin air, 11mph out
Bullpen Comparison
ATL
3.52ERA
2.97FIP
10.20K/9
3.60BB/9
1.26WHIP
COL
3.88ERA
4.04FIP
9.38K/9
3.63BB/9
1.36WHIP
Betting Edges
RUN_LINE HOME +1.5
-27.9% EV
-102
RUN_LINE AWAY -1.5
-20.4% EV
-118
TOTAL OVER 10.5
-14.7% EV
-118
ML AWAY
-14.6% EV
-185
ML HOME
+13.2% EV
+154
F5_ML AWAY
-12.3% EV
-172
First 5 Innings & NRFI
ATL F5
3.2 runs
47.0% win
COL F5
2.9 runs
40.2% win
F5 Total
6.1
NRFI
49.2%
YRFI
50.8%
Avg 1st Inn Runs
1.15
HR Spotlight
Avg HRs
2.6
Over 0.5 HR
93%
Over 1.5 HR
73%
No HR
7%
Ozzie Albies ATL30.0%
ISO: 0.274 | Barrel: 12.5% | vs Jose Quintana | Park: 1.18x Platoon: 1.12x
Matt Olson ATL30.0%
ISO: 0.260 | Barrel: 18.4% | vs Jose Quintana | Park: 1.18x
Drake Baldwin ATL30.0%
ISO: 0.167 | Barrel: 11.0% | vs Jose Quintana | Park: 1.18x
Pitcher Strikeout Projections
Grant Holmes
0.0 K projected
ATL | K/9: 0.0
Jose Quintana
0.0 K projected
COL | K/9: 0.0
Injury Report
ATL8 injured
Michael Harris II CFDAY-TO-DAY
Sean Murphy C10-DAY-IL
Raisel Iglesias RP15-DAY-IL
Spencer Strider SP15-DAY-IL
Spencer Schwellenbach SP60-DAY-IL
Hurston Waldrep SP15-DAY-IL
+2 more
COL8 injured
Ryan Feltner SP15-DAY-IL
Jeff Criswell RP60-DAY-IL
McCade Brown SP60-DAY-IL
RJ Petit RP60-DAY-IL
Pierson Ohl RP60-DAY-IL
Case Williams SPDAY-TO-DAY
+2 more
AI Intelligence Analysis
NEUTRALYELLOW ZONE57.3% WR (n=133)
COORS Field effect (park factor 1.18, +15% runs) and thin air (1.355 density altitude) mean model-market total alignment (10.2 vs 10.5) is correct. COL home underdog with pitcher disadvantage (Holmes 3.91 ERA vs Quintana 5.30 ERA) makes edge unclear. Market pricing reflects COORS reality. No actionable edge.
Key Factors
- COORS Field: Park factor 1.18 (adds 15-18% to runs), home runs multiplier 1.164
- Weather: 61.5°F, 11mph wind blowing OUT (tail wind +10.8) = adds ~0.5 HR premium
- Pitcher edge ATL: Grant Holmes 3.91 ERA vs Jose Quintana 5.30 ERA = +1.39 ERA to ATL
- But model shows COL 44.6% (home underdog value), meaning home-field + lineup advantage outweighs pitcher gap
- Totals model-market near-aligned (10.2 vs 10.5) — market correctly pricing COORS
Risk Factors
- COORS overrides most traditional factors — pitcher quality matters less
- Thin air is unpredictable; same wind might travel differently
- ATL elite bullpen (3.52 ERA) may suppress late-inning runs despite COORS
PARK FACTORWEATHER IMPACTCOORS EFFECTPITCHER DISADVANTAGE
Edge Analysis
Moneyline
ATL 53.0%
-27.9 pts
Run Line
+1.5
-27.9 pts
Total
10.5
+5.6 pts
How this prediction was generated: This page shows output from the Olympus Bets MLB Baseball Monte Carlo engine. Each game is simulated 10,000 times using real-time team data, injury reports, and current odds. Probabilities are calibrated using Bayesian methods and sized via the Kelly Criterion. Full methodology →