Predictions / Football / Brazil. Paulista - U20 / Juventus U20 vs Gremio Prudente U20

Prediction Audit: Juventus U20 vs Gremio Prudente U20 Prediction, Odds & AI Betting Tips

Juventus U20 Juventus U20
Sep 29, 2026 - 18:00
4 1.25
0 1.35
xG Accuracy: 32%
Gremio Prudente U20 Gremio Prudente U20

The model missed the final outcome (Juventus U20 win 4–0).

The model had projected Gremio Prudente U20 at 37.5%, 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 (4 goals) ✖ Incorrect
  • Both Teams To Score BTTS No No ✔ Correct
  • 1X2 Gremio Prudente U20 Juventus U20 ✖ Incorrect
  • Correct Score Insights 1-1, 0-1, 1-0, 1-2, 2-1 4-0 ✖ Incorrect

Model vs Closing Market

Strong Disagreement

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

Largest probability gap: Juventus U20 -21.4 pp

Outcome Model Closing Market Difference Signal
Juventus U20 32.9% 54.3% -21.4 pp Market Higher
Draw 29.6% 24.2% +5.5 pp Model Higher
Gremio Prudente U20 37.5% 21.6% +16.0 pp Model Edge

The closing market estimates Juventus U20's win probability at 54.3%, compared with the model's estimate of 32.9%, a difference of 21.4 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: PRE1.

After full time, the result was Juventus U20 win 4–0.

Post Match Insights

What worked

  • Expected goals projected a high-scoring match (ΣxG 2.60) — 4 goals materialised
  • Both Teams To Score (No) matched the full-time result

What failed

  • Over / Under 2.5: model leaned Under 2.5; match finished Over 2.5 (4 goals)
  • 1X2: model leaned Gremio Prudente U20; match finished Juventus U20

Market lesson

The closing market differed from the model on Gremio Prudente U20 by 21.4 percentage points (58.9% vs model 37.5%) — 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. Sep 29, 2026 · 17:59 UTC Forecast generated
    • Model 1X2 · Juventus U20 32.9% · Draw 29.6% · Gremio Prudente U20 37.6%
    • xG · Juventus U20 1.25 — Gremio Prudente U20 1.35
  2. Sep 29, 2026 · 17:29 UTC Opening odds snapshot PRE30
    • 1X2 odds · Juventus U20 1.67 · Draw 3.75 · Gremio Prudente U20 4.20
    • Implied 1X2 · Juventus U20 54.3% · Draw 24.2% · Gremio Prudente U20 21.6%
    • Bookmaker · Bet365
  3. Sep 29, 2026 · 17:59 UTC Closing snapshot recorded PRE1
    • 1X2 odds · Juventus U20 1.67 · Draw 3.75 · Gremio Prudente U20 4.20
    • Implied 1X2 · Juventus U20 54.3% · Draw 24.2% · Gremio Prudente U20 21.6%
    • Bookmaker · Bet365
  4. Sep 29, 2026 · 18:00 UTC Kickoff
  5. FT Full-time result Juventus U20 win · 4–0
  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: Cautious / Wait

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

Historical Decision Wait
Outcome Missed
Pre-match metrics (historical context)
Prediction Reliability 52/100 · Moderate
  • Validation: Warning
  • Large market gap (21 pp)
Evidence ★★★★★
  • No strong statistical edge
  • Pricing remains divergent
  • Validation warning
Pricing proximity (inverse gap) 0/100
Monitoring Confidence 14/100

Validation Report

Immutable Snapshot

Prediction Time: Sep 21, 2026 · 02:18 UTC Snapshot ID: dp-10109784

Closing Odds 1.67
AI Fair Odds —
CLV Pending
Final Result Juventus U20 win · Juventus U20 4–0 Gremio Prudente U20
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

Quick read on how the model reads this matchup.

  • League: Paulista - U20
  • Fixture: Juventus U20 vs Gremio Prudente U20
  • Kickoff: 2026-09-29 18:00:00
  • 1X2 (model): Home 32.9% · Draw 29.6% · Away 37.6%
  • xG (showing): Juventus U20 1.25 — Gremio Prudente U20 1.35 (total xG ≈ 2.6)
  • Best +EV line (same label as hero card when Primary thresholds are not met): Under 2.5 goals
  • Model: 51.8% · Implied: 45.5% · Probability edge: +6.3 pts · Est. EV: +9.8%
  • BTTS (model): Yes 54.5% · No 45.5%
  • Correct score (top bin): 1-1 (12.5%)

Where EV is shown, it is estimated return per unit stake at the best tracked decimal price — not the same thing as a raw probability gap.

Correct score remains high-variance even when a line is most likely on paper.

Historical Recommendation

Historical Decision: Wait

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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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