Predictions / Football / Greece. Cup / Olympiakos Piraeus vs Volos NFC

Prediction Audit: Olympiakos Piraeus vs Volos NFC Prediction, Odds & AI Betting Tips

Olympiakos Piraeus Olympiakos Piraeus
Sep 08, 2026 - 18:45
3 1.47
2 1.13
xG Accuracy: 52%
Volos NFC Volos NFC

AI correctly predicted the Olympiakos Piraeus win.

The match finished 3–2, 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 Olympiakos Piraeus Olympiakos Piraeus ✔ Correct
  • Correct Score Insights 1-1, 1-0, 2-1, 0-1, 2-0 3-2 ✖ Incorrect

Model vs Closing Market

Strong Disagreement

The closing market prices Olympiakos Piraeus higher than the statistical model.

Largest probability gap: Olympiakos Piraeus -40.9 pp

Outcome Model Closing Market Difference Signal
Olympiakos Piraeus 43.4% 84.2% -40.9 pp Market Higher
Draw 29.1% 10.5% +18.6 pp Model Edge
Volos NFC 27.5% 5.3% +22.2 pp Model Edge

The closing market estimates Olympiakos Piraeus's win probability at 84.2%, compared with the model's estimate of 43.4%, a difference of 40.9 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: PRE1.

After full time, the model's directional lean matched the result (Olympiakos Piraeus win 3–2).

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 Olympiakos Piraeus higher (84.3% vs model 43.4%, 40.9 pp), but the model's lean was validated (Olympiakos Piraeus win 3–2).

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Prediction Timeline

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

  1. Sep 08, 2026 · 18:50 UTC Forecast generated
    • Model 1X2 · Olympiakos Piraeus 43.3% · Draw 29.2% · Volos NFC 27.5%
    • xG · Olympiakos Piraeus 1.47 — Volos NFC 1.13
  2. Sep 08, 2026 · 18:18 UTC Opening odds snapshot PRE30
    • 1X2 odds · Olympiakos Piraeus 1.15 · Draw 6.56 · Volos NFC 10.85
    • Implied 1X2 · Olympiakos Piraeus 78.0% · Draw 13.7% · Volos NFC 8.3%
    • Bookmaker · Pinnacle
  3. Sep 08, 2026 · 18:50 UTC Closing snapshot recorded PRE1
    • 1X2 odds · Olympiakos Piraeus 1.10 · Draw 8.81 · Volos NFC 17.63
    • Implied 1X2 · Olympiakos Piraeus 84.2% · Draw 10.5% · Volos NFC 5.3%
    • Bookmaker · Pinnacle
  4. Sep 08, 2026 · 18:45 UTC Kickoff
  5. FT Full-time result Olympiakos Piraeus win · 3–2
  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 29/100 · Low
  • Validation: Fail
  • Large market gap (41 pp)
Evidence ★★★★★
  • No strong statistical edge
  • Market strongly disagrees on price
  • Validation failed
Pricing proximity (inverse gap) 0/100
Monitoring Confidence 8/100

Validation Report

Immutable Snapshot

Prediction Time: Sep 03, 2026 · 07:55 UTC Snapshot ID: dp-6749296

Closing Odds 1.1
AI Fair Odds —
CLV Pending
Final Result Olympiakos Piraeus win · Olympiakos Piraeus 3–2 Volos NFC
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

Model favours Olympiakos Piraeus; market prices Olympiakos Piraeus instead — inputs may be missing or stale.

  • Model: Olympiakos Piraeus 1.47 xG vs Volos NFC 1.13 → Olympiakos Piraeus 43.4%
  • Market: Olympiakos Piraeus ~84.2% implied
  • Validation failed — do not treat 1X2 EV as actionable.

Do not act on 1X2 value until validation passes. Structural leans (O/U, BTTS) need separate odds review.

Structural lean (model): O/U 2.5 Under 2.5 (Under 2.5 51.8% · Over 2.5 48.2%); BTTS Yes (Yes 53.7% · No 46.3%) Value lean (pricing): O/U 2.5 Under 2.5; BTTS Yes

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 29, 2026 (UTC)

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