Predictions / Football / Brazil. Serie C / Maranhão vs AO Itabaiana

Prediction Audit: Maranhão vs AO Itabaiana Prediction, Odds & AI Betting Tips

Maranhão Maranhão
Aug 23, 2026 - 21:30
4 1.32
1 1.28
xG Accuracy: 44%
AO Itabaiana AO Itabaiana

AI correctly predicted the Maranhão win.

The match finished 4–1, validating the model's directional assessment.

Tracked markets vs full-time result

Prediction grade B-

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 (5 goals) ✖ Incorrect
  • Both Teams To Score BTTS Yes Yes ✔ Correct
  • 1X2 Maranhão Maranhão ✔ Correct
  • Correct Score Insights 1-1, 1-0, 0-1, 2-1, 1-2 4-1 ✖ Incorrect

Model vs Closing Market

Moderate Disagreement

The model rates AO Itabaiana considerably stronger than the closing betting market.

Largest probability gap: AO Itabaiana +9.9 pp

Outcome Model Closing Market Difference Signal
Maranhão 36.1% 44.5% -8.3 pp Market Higher
Draw 29.6% 31.2% -1.6 pp Aligned
AO Itabaiana 34.2% 24.3% +9.9 pp Model Higher

The statistical model estimates AO Itabaiana's win probability at 34.2%, compared with the closing market's implied probability of 24.3%, a difference of 9.9 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 model's directional lean matched the result (Maranhão win 4–1).

Market Assessment

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

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

Post Match Insights

What worked

  • Expected goals projected a high-scoring match (ΣxG 2.60) — 5 goals materialised
  • Both Teams To Score (Yes) matched the full-time result

What failed

  • Over / Under 2.5: model leaned Under 2.5; match finished Over 2.5 (5 goals)
  • Exact score: outside the model's top score bins

Market lesson

Large model–market gaps do not automatically mean the market is right. Here the closing market priced Maranhão more conservatively (26.2% vs model 36.1%, 9.9 pp), but the model's lean was validated (Maranhão win 4–1).

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Prediction Timeline

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

  1. Aug 23, 2026 · 21:29 UTC Forecast generated
    • Model 1X2 · Maranhão 36.1% · Draw 29.7% · AO Itabaiana 34.2%
    • xG · Maranhão 1.32 — AO Itabaiana 1.28
  2. Aug 23, 2026 · 21:00 UTC Opening odds snapshot PRE30
    • 1X2 odds · Maranhão 2.06 · Draw 2.93 · AO Itabaiana 3.77
    • Implied 1X2 · Maranhão 44.5% · Draw 31.2% · AO Itabaiana 24.3%
    • Bookmaker · Pinnacle
  3. Aug 23, 2026 · 21:29 UTC Closing snapshot recorded PRE1
    • 1X2 odds · Maranhão 2.06 · Draw 2.93 · AO Itabaiana 3.77
    • Implied 1X2 · Maranhão 44.5% · Draw 31.2% · AO Itabaiana 24.3%
    • Bookmaker · Pinnacle
  4. Aug 23, 2026 · 21:30 UTC Kickoff
  5. FT Full-time result Maranhão win · 4–1
  6. FT Prediction validated Directional lean matched full-time result
  7. Archived Prediction review

Historical Snapshot

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

Historical verdict: Observe
Historical Decision No Primary Bet
Outcome Validated
Pre-match metrics (historical context)
Prediction Reliability 74/100 · High
  • Validation: Pass
Evidence ★★★★★
  • Statistical edge detected
  • Direction agrees with model lean
  • Validation passed
Pricing proximity (inverse gap) 50/100
Betting Confidence 77/100

Validation Report

Immutable Snapshot

Prediction Time: Aug 17, 2026 · 02:00 UTC Snapshot ID: dp-4372732

Closing Odds 3.77
AI Fair Odds —
CLV Pending
Final Result Maranhão win · Maranhão 4–1 AO Itabaiana
Prediction ✔ Correct
Decision Grade B-

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: Serie C
  • Fixture: Maranhão vs AO Itabaiana
  • Kickoff: 2026-08-23 21:30:00
  • 1X2 (model): Home 36.1% · Draw 29.7% · Away 34.2%
  • xG (showing): Maranhão 1.32 — AO Itabaiana 1.28 (total xG ≈ 2.6)
  • Value headline: None (actionable) — best tracked EV is about +1.1%, still below the +2.0% minimum for a headline / default stake (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.

If lines move materially, re-run generation or refresh — implied probabilities and any future EV readouts will change first.

Historical Recommendation

Historical Decision: No Primary Bet

Outcome: Validated — Pre-match lean validated against 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 29, 2026 (UTC)

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Serie C Serie C — Standings
# TEAM MP W D L PTS
1 Botafogo PB 19 10 3 6 33
2 Brusque 19 9 5 5 32
3 Ferroviária 19 8 6 5 30
4 Maringá 19 8 6 5 30
5 Floresta 19 8 6 5 30
6 Inter De Limeira 19 8 6 5 30
7 Paysandu 19 9 2 8 29
8 Santa Cruz 19 8 5 6 29
9 Ypiranga-RS 19 8 5 6 29
10 Guarani Campinas 19 7 7 5 28
11 Figueirense 19 7 7 5 28
12 Maranhão 19 7 6 6 27
13 Amazonas 19 7 5 7 26
14 Caxias 19 6 7 6 25
15 Ituano 19 6 4 9 22
16 Volta Redonda 19 6 3 10 21
17 Barra 19 5 6 8 21
18 Anápolis 19 5 4 10 19
19 AO Itabaiana 19 4 5 10 17
20 Confiança 19 3 4 12 13
# TEAM MP GS GC +/- PTS
1 Guarani Campinas 19 34 24 +10 28
2 Maringá 19 32 30 +2 30
3 Botafogo PB 19 28 19 +9 33
4 Brusque 19 28 22 +6 32
5 Ypiranga-RS 19 27 24 +3 29
6 Paysandu 19 26 27 -1 29
7 Ferroviária 19 22 15 +7 30
8 Floresta 19 22 20 +2 30
9 Inter De Limeira 19 22 20 +2 30
10 Barra 19 21 21 0 21
11 Amazonas 19 21 23 -2 26
12 Santa Cruz 19 20 15 +5 29
13 Maranhão 19 19 18 +1 27
14 Figueirense 19 19 22 -3 28
15 Ituano 19 18 21 -3 22
16 Caxias 19 17 16 +1 25
17 Anápolis 19 17 22 -5 19
18 AO Itabaiana 19 14 27 -13 17
19 Volta Redonda 19 13 25 -12 21
20 Confiança 19 11 20 -9 13
Serie C Brazil. Serie C Predictions