St.Louis Cardinals vs Chicago Cubs Prediction
Expert prediction, odds analysis, and best bet for St.Louis Cardinals vs Chicago Cubs on July 3, 2026.
Win Probability
Best Bet
Current Odds
API-Sports| Team | Moneyline | Run Line | Total | Impl. Prob. |
|---|---|---|---|---|
St.Louis CardinalsAway | +105 | -189 | -109 | 49% |
Chicago CubsHome | -127 | +148 | -115 | 56% |
Additional Full-Game Markets
First 5 Innings (F5)
Statistical Analysis
- 1
Chicago Cubs project 5.5 runs: 5.1 RF/G offense vs 4.6 RA/G St.Louis Cardinals pitching.
- 2
St.Louis Cardinals project 4.3 runs: 4.5 RF/G offense vs 4.4 RA/G Chicago Cubs pitching.
- 3
Chicago Cubs season record: 49–38 (56% win rate).
- 4
St.Louis Cardinals season record: 44–39 (53% win rate).
- 5
Chicago Cubs home: 5.3 RF/G, 4.3 RA/G (60% home win rate).
- 6
Chicago Cubs last 5: 9.4 RF/G, 3.4 RA/G (2d rest, 6 G last 7d).
- 7
St.Louis Cardinals last 5: 4.0 RF/G, 3.8 RA/G (1d rest, 6 G last 7d).
- 8
Moneyline edge vs market: +4.0%.
How This Prediction Was Made
Show model inputs ▼
Team Data Inputs
| Metric | Cardinals | Cubs |
|---|---|---|
| Season Win% | 53.0% | 56.3% |
| Games Played | 83 | 87 |
| Season RF/G | 4.51 | 5.15 |
| Season RA/G | 4.56 | 4.43 |
| Run Diff/G | -0.05 | 0.72 |
| Last-5 RF/G | 4.00 | 9.40 |
| Last-5 RA/G | 3.80 | 3.40 |
| Venue RF/G | 5.35 | 5.28 |
| Venue RA/G | 4.78 | 4.35 |
| Venue Win% | 55.0% | 60.5% |
| Form (last-5) | 3/5 W | 5/5 W |
| Rest Days | 1 | 2 |
| Games (Last 7d) | 6 | 6 |
| Data Quality | 100% | 100% |
Run Projection Formula
Projected runs = weighted blend of offense + opponent defense (season & recent) + venue split.
| Component | Value | Wt | Contrib |
|---|---|---|---|
| Season RF/G | 4.51 | 30% | 1.354 |
| Opp Season RA/G | 4.43 | 30% | 1.328 |
| Recent RF/G (5G) | 4.00 | 15% | 0.600 |
| Opp Recent RA/G | 3.40 | 15% | 0.510 |
| Venue RF/G | 5.35 | 5% | 0.268 |
| Opp Venue RA/G | 4.35 | 5% | 0.217 |
| Projected runs | 4.3 | ||
| Component | Value | Wt | Contrib |
|---|---|---|---|
| Season RF/G | 5.15 | 30% | 1.545 |
| Opp Season RA/G | 4.56 | 30% | 1.368 |
| Recent RF/G (5G) | 9.40 | 15% | 1.410 |
| Opp Recent RA/G | 3.80 | 15% | 0.570 |
| Venue RF/G | 5.28 | 5% | 0.264 |
| Opp Venue RA/G | 4.78 | 5% | 0.239 |
| Home bonus | 0.12 | — | 0.120 |
| Projected runs | 5.5 | ||
Win Probability Blend (Home)
Three signals are blended to produce the final home win probability.
| Signal | Prob | Weight | Contribution |
|---|---|---|---|
| Run margin (projected score diff) | 62.4% | 65% | 40.56% |
| Team strength (win% + venue) | 52.4% | 25% | 13.10% |
| Recent form (last-5 W/L) | 62.0% | 10% | 6.20% |
| Final home win probability | 60% | ||
Confidence Score Breakdown
| Factor | Points |
|---|---|
| Base (win probability distance from 50%) | +56 |
| Run margin bonus (larger margin = more predictable) | +5 |
| Data quality adjust (more game history = tighter estimates) | +10 |
| Form agreement (recent form aligns with season record) | +5 |
| Market odds available (confirms edge vs vig) | 0 |
| Final confidence score (high) | 76 |
Market Edge Analysis
Edge = model probability minus market-implied probability. Positive edge = model sees value vs the book.
| Bet Type | Edge | Signal |
|---|---|---|
| Moneyline | +4.0% | ✓ value |
| Run Line (-1.5) | -2.9% | no edge |
| Over/Under | -7.8% | ✓ fade |
| Cubs Team Total | +3.8% | no edge |
| Cardinals Team Total | -10.7% | ✓ fade |
| F5 Moneyline | +8.4% | ✓ value |
| F5 Over/Under | -6.2% | ✓ fade |
4%+ edge threshold required for a value bet recommendation.
St.Louis Cardinals vs Chicago Cubs Prediction — Expert Analysis
Our model projects Chicago Cubs to win this matchup with a 60% win probability. The predicted final score is Cardinals 4.3 – Cubs 5.5.
St.Louis Cardinals come into this game with a 44-39 record, good for a 53.0% winning percentage.
Chicago Cubs are 49-38 at home this season, with a 56.3% overall win rate. Home field advantage gives them an additional 3-4% boost to their projected win probability.
Our best bet for this matchup is the Chicago Cubs Moneyline, which carries a high confidence rating based on current statistical inputs.