Predictions / Football / Brazil. Paulista - U20 / Guarani U20 vs XV de Jaú U20

Prediction Audit: Guarani U20 vs XV de Jaú U20 Prediction, Odds & AI Betting Tips

Sep 04, 2026 - 18:00
3 1.40
0 1.20
xG Accuracy: 46%

AI correctly predicted the Guarani U20 win.

The match finished 3–0, validating the model's directional assessment.

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 No ✖ Incorrect
  • 1X2 Guarani U20 Guarani U20 ✔ Correct
  • Correct Score Insights 1-1, 1-0, 0-1, 2-1, 1-2 3-0 ✖ Incorrect

Model vs Closing Market

Strong Disagreement

The closing market prices Guarani U20 higher than the statistical model.

Largest probability gap: Guarani U20 -26.9 pp

Outcome Model Closing Market Difference Signal
Guarani U20 39.9% 66.8% -26.9 pp Market Higher
Draw 29.5% 19.9% +9.6 pp Model Higher
XV de Jaú U20 30.6% 13.3% +17.3 pp Model Edge

The closing market estimates Guarani U20's win probability at 66.8%, compared with the model's estimate of 39.9%, a difference of 26.9 percentage points. This highlights a disagreement between the model and market consensus, without 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: PRE5.

After full time, the model's directional lean matched the result (Guarani U20 win 3–0).

Post Match Insights

What worked

  • Expected goals projected a high-scoring match (ΣxG 2.60) — 3 goals materialised

What failed

  • Both Teams To Score: model leaned BTTS Yes; match finished BTTS No
  • Over / Under 2.5: model leaned Under 2.5; match finished Over 2.5 (3 goals)

Market lesson

Large model–market gaps do not automatically mean the market is right. Here the closing market priced Guarani U20 higher (66.8% vs model 39.9%, 26.9 pp), but the model's lean was validated (Guarani U20 win 3–0).

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Prediction Timeline

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

  1. Sep 04, 2026 · 17:55 UTC Forecast generated
    • Model 1X2 · Guarani U20 40.0% · Draw 29.5% · XV de Jaú U20 30.6%
    • xG · Guarani U20 1.40 — XV de Jaú U20 1.20
  2. Sep 04, 2026 · 17:30 UTC Opening odds snapshot PRE30
    • 1X2 odds · Guarani U20 1.33 · Draw 4.47 · XV de Jaú U20 6.70
    • Implied 1X2 · Guarani U20 66.8% · Draw 19.9% · XV de Jaú U20 13.3%
    • Bookmaker · Pinnacle
  3. Sep 04, 2026 · 17:55 UTC Closing snapshot recorded PRE5
    • 1X2 odds · Guarani U20 1.33 · Draw 4.47 · XV de Jaú U20 6.70
    • Implied 1X2 · Guarani U20 66.8% · Draw 19.9% · XV de Jaú U20 13.3%
    • Bookmaker · Pinnacle
  4. Sep 04, 2026 · 18:00 UTC Kickoff
  5. FT Full-time result Guarani U20 win · 3–0
  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: Cautious / Wait

Historical label: Originally displayed as "Wait for validation".

Historical Decision Wait
Outcome Validated
Pre-match metrics (historical context)
Prediction Reliability 50/100 · Moderate
  • Validation: Warning
  • Large market gap (27 pp)
Evidence ★★★★★
  • No strong statistical edge
  • Market strongly disagrees on price
  • Validation warning
Pricing proximity (inverse gap) 0/100
Betting Confidence 32/100

Validation Report

Immutable Snapshot

Prediction Time: Aug 29, 2026 · 02:31 UTC Snapshot ID: dp-5923645

Closing Odds 1.33
AI Fair Odds —
CLV Pending
Final Result Guarani U20 win · Guarani U20 3–0 XV de Jaú U20
Prediction ✔ Correct
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: Paulista - U20
  • Fixture: Guarani U20 vs XV de Jaú U20
  • Kickoff: 2026-09-04 18:00:00
  • 1X2 (model): Home 40.0% · Draw 29.5% · Away 30.6%
  • xG (showing): Guarani U20 1.4 — XV de Jaú U20 1.2 (total xG ≈ 2.6)
  • Value headline: At least one tracked line reaches the headline EV threshold — align with the hero / Primary card if shown.
  • 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 54.3% · No 45.7%) Value lean (pricing): O/U 2.5 Under 2.5; BTTS Yes
  • BTTS (model): Yes 54.3% · No 45.7%
  • 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: Wait

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 30, 2026 (UTC)

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Paulista - U20 Paulista - U20 — Standings
# TEAM MP W D L PTS
1 Juventus U20 1 1 0 0 3
2 Santos U20 1 1 0 0 3
3 Ferroviária U20 1 1 0 0 3
4 Portuguesa Santista U20 1 1 0 0 3
5 Portuguesa U20 1 1 0 0 3
6 Corinthians U20 1 1 0 0 3
7 União Suzano U20 1 1 0 0 3
8 Ponte Preta U20 1 0 0 1 0
9 Jabaquara U20 1 0 0 1 0
10 São Bento U20 1 0 0 1 0
11 Mirassol U20 1 0 0 1 0
12 Itapirense U20 1 0 0 1 0
13 América-SP U20 1 0 0 1 0
14 Sertãozinho U20 1 0 0 1 0
# TEAM MP GS GC +/- PTS
1 Juventus U20 1 3 0 +3 3
2 Santos U20 1 3 0 +3 3
3 Ferroviária U20 1 2 0 +2 3
4 Portuguesa Santista U20 1 2 1 +1 3
5 Portuguesa U20 1 2 1 +1 3
6 Corinthians U20 1 1 0 +1 3
7 União Suzano U20 1 1 0 +1 3
8 Ponte Preta U20 1 1 2 -1 0
9 Jabaquara U20 1 1 2 -1 0
10 São Bento U20 1 0 1 -1 0
11 Mirassol U20 1 0 1 -1 0
12 Itapirense U20 1 0 2 -2 0
13 América-SP U20 1 0 3 -3 0
14 Sertãozinho U20 1 0 3 -3 0