Predictions / Football / Brazil. Paulista - U20 / Referencia U20 vs Guarani U20

Prediction Audit: Referencia U20 vs Guarani U20 Prediction, Odds & AI Betting Tips

Jul 31, 2026 - 18:00
0 1.22
1 1.38
xG Accuracy: 64%

AI correctly predicted the Guarani U20 win.

The match finished 0–1, 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 Under 2.5 (1 goals) ✔ Correct
  • Both Teams To Score BTTS Yes No ✖ Incorrect
  • 1X2 Guarani U20 Guarani U20 ✔ Correct
  • Correct Score Insights 1-1, 0-1, 1-0, 1-2, 2-1 0-1 ✔ Correct

Model vs Closing Market

Strong Disagreement

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

Largest probability gap: Guarani U20 -15.6 pp

Outcome Model Closing Market Difference Signal
Referencia U20 31.5% 19.8% +11.7 pp Model Edge
Draw 29.5% 25.6% +3.9 pp Aligned
Guarani U20 39.0% 54.5% -15.6 pp Market Higher

The closing market estimates Guarani U20's win probability at 54.5%, compared with the model's estimate of 39.0%, a difference of 15.6 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 model's directional lean matched the result (Guarani U20 win 0–1).

Market Assessment

The market is materially more optimistic about Guarani U20 than the current fair estimate.

  • Investors may be incorporating information not fully reflected in the baseline model.
  • Tournament-specific context can shift market pricing.

Post Match Insights

What worked

  • Under 2.5 goals aligned with the xG profile
  • Exact score 0–1 fell within the model's highlighted bins

What failed

  • Both Teams To Score: model leaned BTTS Yes; match finished BTTS No

Market lesson

Large model–market gaps do not automatically mean the market is right. Here the closing market priced Guarani U20 higher (54.6% vs model 39.0%, 15.6 pp), but the model's lean was validated (Guarani U20 win 0–1).

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Prediction Timeline

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

  1. Jul 31, 2026 · 18:00 UTC Forecast generated
    • Model 1X2 · Referencia U20 31.5% · Draw 29.5% · Guarani U20 39.0%
    • xG · Referencia U20 1.22 — Guarani U20 1.38
  2. Jul 31, 2026 · 17:32 UTC Opening odds snapshot PRE30
    • 1X2 odds · Referencia U20 4.54 · Draw 3.51 · Guarani U20 1.65
    • Implied 1X2 · Referencia U20 19.8% · Draw 25.6% · Guarani U20 54.5%
    • Bookmaker · Pinnacle
  3. Jul 31, 2026 · 18:00 UTC Closing snapshot recorded PRE1
    • 1X2 odds · Referencia U20 4.54 · Draw 3.51 · Guarani U20 1.65
    • Implied 1X2 · Referencia U20 19.8% · Draw 25.6% · Guarani U20 54.5%
    • Bookmaker · Pinnacle
  4. Jul 31, 2026 · 18:00 UTC Kickoff
  5. FT Full-time result Guarani U20 win · 0–1
  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: Monitor
Historical Decision Monitor
Outcome Validated
Pre-match metrics (historical context)
Prediction Reliability 55/100 · Moderate
  • Validation: Warning
  • Large market gap (16 pp)
Evidence ★★★★★
  • No strong statistical edge
  • Pricing remains divergent
  • Validation warning
Pricing proximity (inverse gap) 22/100
Betting Confidence 44/100

Validation Report

Immutable Snapshot

Prediction Time: Jul 25, 2026 · 04:27 UTC Snapshot ID: dp-1676343

Closing Odds 1.65
AI Fair Odds —
CLV Pending
Final Result Guarani U20 win · Referencia U20 0–1 Guarani U20
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: Paulista - U20
  • Fixture: Referencia U20 vs Guarani U20
  • Kickoff: 2026-07-31 18:00:00
  • 1X2 (model): Home 31.5% · Draw 29.5% · Away 39.0%
  • xG (showing): Referencia U20 1.22 — Guarani U20 1.38 (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 54.4% · No 45.6%) Value lean (pricing): O/U 2.5 Under 2.5; BTTS Yes
  • BTTS (model): Yes 54.4% · No 45.6%
  • 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: Monitor

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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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