Predictions / Football / Indonesia. Piala Presiden / Persib Bandung vs Persija

Prediction Audit: Persib Bandung vs Persija Prediction, Odds & AI Betting Tips

Persib Bandung Persib Bandung
Aug 04, 2026 - 08:30
2 1.26
1 1.34
xG Accuracy: 74%
Persija Persija

The model missed the final outcome (Persib Bandung win 2–1).

The model had projected Persija at 37.1%, but the full-time result went the other way.

Tracked markets vs full-time result

Prediction grade F

Each row compares the pre-match model lean to the full-time result.

  • Market Prediction Result Outcome
  • Over / Under 2.5 Under 2.5 Over 2.5 (3 goals) ✖ Incorrect
  • Both Teams To Score BTTS Yes Yes ✔ Correct
  • 1X2 Persija Persib Bandung ✖ Incorrect
  • Correct Score Insights 1-1, 0-1, 1-0, 1-2, 2-1 2-1 ✔ Correct

Model vs Closing Market

Moderate Disagreement

The model rates Persija considerably stronger than the closing betting market.

Largest probability gap: Persija +8.9 pp

Outcome Model Closing Market Difference Signal
Persib Bandung 33.3% 38.8% -5.5 pp Market Higher
Draw 29.6% 33.0% -3.4 pp Aligned
Persija 37.1% 28.1% +8.9 pp Model Higher

The statistical model estimates Persija's win probability at 37.1%, compared with the closing market's implied probability of 28.1%, a difference of 8.9 percentage points. This highlights a substantial disagreement between the model's assessment and the market consensus, rather than indicating which view is ultimately correct.

Model probabilities are generated from the statistical xG model using a Poisson distribution. Closing market probabilities are derived from consensus closing 1X2 odds after margin removal. Values represent implied probabilities rather than betting recommendations. Closing snapshot: PRE1.

After full time, the result was Persib Bandung win 2–1.

Market Assessment

The fair estimate shows a modest edge over current market pricing on Persija.

  • Monitor line movement before kickoff — not a betting recommendation.

Post Match Insights

What worked

  • Expected goals projected a high-scoring match (ΣxG 2.60) — 3 goals materialised
  • Both Teams To Score (Yes) matched the full-time result
  • Exact score 2–1 fell within the model's highlighted bins

What failed

  • Over / Under 2.5: model leaned Under 2.5; match finished Over 2.5 (3 goals)
  • 1X2: model leaned Persija; match finished Persib Bandung

Market lesson

The closing market differed from the model on Persija by 8.9 percentage points (28.2% vs model 37.1%) — in this case the market view proved closer.

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Prediction Timeline

How this prediction moved from forecast to full-time review.

  1. Aug 04, 2026 · 08:29 UTC Forecast generated
    • Model 1X2 · Persib Bandung 33.4% · Draw 29.6% · Persija 37.0%
    • xG · Persib Bandung 1.26 — Persija 1.34
  2. Aug 04, 2026 · 07:59 UTC Opening odds snapshot PRE30
    • 1X2 odds · Persib Bandung 2.29 · Draw 2.69 · Persija 3.16
    • Implied 1X2 · Persib Bandung 38.8% · Draw 33.0% · Persija 28.1%
    • Bookmaker · Pinnacle
  3. Aug 04, 2026 · 08:29 UTC Closing snapshot recorded PRE1
    • 1X2 odds · Persib Bandung 2.29 · Draw 2.69 · Persija 3.16
    • Implied 1X2 · Persib Bandung 38.8% · Draw 33.0% · Persija 28.1%
    • Bookmaker · Pinnacle
  4. Aug 04, 2026 · 08:30 UTC Kickoff
  5. FT Full-time result Persib Bandung win · 2–1
  6. FT Prediction missed 1X2 lean did not match full-time result
  7. Archived Prediction review

Historical Snapshot

Frozen at kickoff — the model output as it stood before the match started.

Historical verdict: Monitor
Historical Decision Monitor
Outcome Missed
Pre-match metrics (historical context)
Prediction Reliability 75/100 · High
  • Validation: Pass
Evidence ★★★★★
  • Statistical edge detected
  • Direction agrees with model lean
  • Validation passed
Pricing proximity (inverse gap) 19/100
Monitoring Confidence 33/100

Validation Report

Immutable Snapshot

Prediction Time: Aug 04, 2026 · 01:06 UTC Snapshot ID: dp-2963000

Closing Odds 3.16
AI Fair Odds —
CLV Pending
Final Result Persib Bandung win · Persib Bandung 2–1 Persija
Prediction ✖ Missed
Decision Grade F

Model Performance

This prediction contributes to:

  • Primary Bets ROI (180d): -100.0%

Review FAQ

How accurate was the prediction?
This page grades directional markets (1X2, Over/Under 2.5, BTTS) against the full-time result. The prediction grade reflects how many of those tracked markets matched reality.
What does xG Accuracy measure?
xG Accuracy compares the model's pre-match expected-goals profile to the actual scoreline — not whether every market hit. A strong directional review can coexist with a moderate xG accuracy score.
Why wasn't the exact score predicted?
Correct-score outcomes are low-probability tails even when the model reads the match profile well. We highlight top score bins for context; missing the exact line does not invalidate a directional review.
Does this improve the AI record?
Each finished match is logged in our validation pipeline. Aggregated hit rates and CLV studies are published separately — this page is the per-match audit trail.

Predictions are for informational purposes only. Always gamble responsibly and within your limits. Past performance does not guarantee future results.

AI match briefing

AI Match Summary

Pre-match snapshot for this fixture.

  • League: Piala Presiden
  • Fixture: Persib Bandung vs Persija
  • Kickoff: 2026-08-04 08:30:00
  • 1X2 (model): Home 33.4% · Draw 29.6% · Away 37.0%
  • xG (showing): Persib Bandung 1.26 — Persija 1.34 (total xG ≈ 2.6)
  • Value headline: None — no positive EV on tracked lines at current best prices (same as the decision block: no default bet).
  • Structural leans (not bets): Structural lean (model): O/U 2.5 Under 2.5 (Under 2.5 51.8% · Over 2.5 48.2%); BTTS Yes (Yes 54.5% · No 45.5%) Value lean (pricing): O/U 2.5 Under 2.5; BTTS Yes
  • BTTS (model): Yes 54.5% · No 45.5%
  • Correct score (top bin): 1-1 (12.5%)

Saying “no value” on a snapshot is a feature, not a bug: it protects readers from forcing a play when the edge is not there.

Most likely correct score stays a low-probability tail: use it for context, not as a must-bet story.

Historical Recommendation

Historical Decision: Monitor

Outcome: Missed — Pre-match 1X2 lean did not match the full-time result.

Risk Factors Considered Before Kickoff

  • Price movement: implied probabilities and EV move with odds.
  • Sample / data gaps: low-information leagues widen forecast bands.
  • In-play state: goals and red cards are not modelled here.
  • Scoreline variance: the most likely scoreline is still usually a low absolute probability outcome (often well below 20%).

Last Updated

September 30, 2026 (UTC)

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Piala Presiden Piala Presiden — Standings
# TEAM MP W D L PTS
1 Persib Bandung 3 3 0 0 9
2 Arema FC 3 2 0 1 6
3 Tampines Rovers 3 0 1 2 1
4 DPMM FC 3 0 1 2 1
# TEAM MP GS GC +/- PTS
1 Arema FC 3 4 2 +2 6
2 Persib Bandung 3 3 0 +3 9
3 Tampines Rovers 3 3 5 -2 1
4 DPMM FC 3 2 5 -3 1