Predictions / Football / Portugal. Primeira Liga / Nacional vs AVS

Prediction Audit: Nacional vs AVS Prediction, Odds & AI Betting Tips

Nacional Nacional
May 02, 2026 - 14:30
1 1.38
2 0.92
xG Accuracy: 67%
AVS AVS

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

The model had projected Nacional at 45.9%, 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 No Yes ✖ Incorrect
  • 1X2 Nacional AVS ✖ Incorrect
  • Correct Score Insights 1-0, 1-1, 0-0, 2-0, 0-1 1-2 ✖ Incorrect

Model vs Closing Market

Strong Disagreement

The closing market prices Nacional higher than the statistical model.

Largest probability gap: Nacional -17.6 pp

Outcome Model Closing Market Difference Signal
Nacional 45.9% 63.5% -17.6 pp Market Higher
Draw 30.7% 20.9% +9.8 pp Model Higher
AVS 23.4% 15.6% +7.8 pp Model Higher

The closing market estimates Nacional's win probability at 63.5%, compared with the model's estimate of 45.9%, a difference of 17.6 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 result was AVS win 1–2.

Market Assessment

The market is materially more optimistic about Nacional 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 failed

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

Market lesson

The closing market differed from the model on Nacional by 17.6 percentage points (63.5% vs model 45.9%) — 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. Before kickoff Forecast generated
    • Model 1X2 · Nacional 45.9% · Draw 30.7% · AVS 23.4%
    • xG · Nacional 1.38 — AVS 0.92
  2. May 03, 2026 · 15:29 UTC Opening odds snapshot PRE30
    • 1X2 odds · Nacional 1.52 · Draw 4.62 · AVS 6.20
    • Implied 1X2 · Nacional 63.5% · Draw 20.9% · AVS 15.6%
    • Bookmaker · Pinnacle
  3. May 03, 2026 · 15:59 UTC Closing snapshot recorded PRE1
    • 1X2 odds · Nacional 1.52 · Draw 4.62 · AVS 6.20
    • Implied 1X2 · Nacional 63.5% · Draw 20.9% · AVS 15.6%
    • Bookmaker · Pinnacle
  4. May 02, 2026 · 14:30 UTC Kickoff
  5. FT Full-time result AVS win · 1–2
  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 54/100 · Moderate
  • Validation: Warning
  • Large market gap (18 pp)
Evidence ★★★★★
  • No strong statistical edge
  • Pricing remains divergent
  • Validation warning
Pricing proximity (inverse gap) 11/100
Betting Confidence 43/100

Validation Report

Immutable Snapshot

Prediction Time: Jul 25, 2026 · 02:25 UTC Snapshot ID: dp-1668677

Closing Odds 1.52
AI Fair Odds —
CLV Pending
Final Result AVS win · Nacional 1–2 AVS
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.

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Primeira Liga Primeira Liga — Standings
# TEAM MP W D L PTS
1 FC Porto 34 28 4 2 88
2 Sporting CP 34 25 7 2 82
3 Benfica 34 23 11 0 80
4 SC Braga 34 16 11 7 59
5 Famalicao 34 15 11 8 56
6 GIL Vicente 34 13 11 10 50
7 Moreirense 34 12 7 15 43
8 Arouca 34 12 6 16 42
9 Guimaraes 34 12 6 16 42
10 Estoril 34 10 9 15 39
11 Alverca 34 10 9 15 39
12 Rio Ave 34 8 12 14 36
13 Santa Clara 34 9 9 16 36
14 Nacional 34 9 7 18 34
15 Estrela 34 6 12 16 30
16 Casa Pia 34 6 12 16 30
17 Tondela 34 6 10 18 28
18 AVS 34 3 12 19 21
# TEAM MP GS GC +/- PTS
1 Sporting CP 34 89 24 +65 82
2 Benfica 34 74 25 +49 80
3 FC Porto 34 66 18 +48 88
4 SC Braga 34 64 36 +28 59
5 Estoril 34 54 57 -3 39
6 GIL Vicente 34 47 38 +9 50
7 Arouca 34 47 64 -17 42
8 Famalicao 34 42 29 +13 56
9 Guimaraes 34 39 51 -12 42
10 Estrela 34 38 56 -18 30
11 Nacional 34 37 45 -8 34
12 Moreirense 34 37 49 -12 43
13 Alverca 34 35 52 -17 39
14 Rio Ave 34 35 57 -22 36
15 Santa Clara 34 32 41 -9 36
16 Casa Pia 34 31 57 -26 30
17 Tondela 34 27 55 -28 28
18 AVS 34 27 67 -40 21
# TEAM MP xG xGC +/- PTS
1 Sporting CP 34 69.0 23.9 +45.1 82
2 Benfica 34 68.4 27.3 +41.1 80
3 FC Porto 34 62.1 22.5 +39.6 88
4 SC Braga 34 57.3 37.3 +20.0 59
5 Famalicao 34 45.6 33.7 +11.9 56
6 GIL Vicente 34 44.9 36.8 +8.1 50
7 Santa Clara 34 36.4 35.2 +1.2 36
8 Alverca 34 40.5 40.1 +0.4 39
9 Guimaraes 34 39.3 45.4 -6.1 42
10 Tondela 34 36.6 48.7 -12.1 28
11 Estoril 34 42.8 55.2 -12.4 39
12 Nacional 34 37.9 50.6 -12.7 34
13 Estrela 34 40.7 53.6 -12.9 30
14 Rio Ave 34 34.2 52.3 -18.1 36
15 Arouca 34 30.8 49.4 -18.6 42
16 Moreirense 34 31.3 51.7 -20.4 43
17 Casa Pia 34 31.6 54.8 -23.2 30
18 AVS 34 31.9 62.6 -30.7 21
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