Predictions / Football / Iceland. Úrvalsdeild / Stjarnan vs IBV Vestmannaeyjar

Prediction Audit: Stjarnan vs IBV Vestmannaeyjar Prediction, Odds & AI Betting Tips

Stjarnan Stjarnan
Sep 13, 2026 - 14:00
2 1.35
0 1.25
xG Accuracy: 59%
IBV Vestmannaeyjar IBV Vestmannaeyjar

AI correctly predicted the Stjarnan win.

The match finished 2–0, validating the model's directional assessment.

Tracked markets vs full-time result

Prediction grade A

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 (2 goals) ✔ Correct
  • Both Teams To Score BTTS No No ✔ Correct
  • 1X2 Stjarnan Stjarnan ✔ Correct
  • Correct Score Insights 1-1, 1-0, 0-1, 2-1, 1-2 2-0 ✖ Incorrect

Model vs Closing Market

Strong Disagreement

The closing market prices Stjarnan higher than the statistical model.

Largest probability gap: Stjarnan -14.1 pp

Outcome Model Closing Market Difference Signal
Stjarnan 37.5% 51.6% -14.1 pp Market Higher
Draw 29.6% 22.1% +7.5 pp Model Higher
IBV Vestmannaeyjar 32.9% 26.3% +6.5 pp Model Higher

The closing market estimates Stjarnan's win probability at 51.6%, compared with the model's estimate of 37.5%, a difference of 14.1 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 (Stjarnan win 2–0).

Market Assessment

The market is materially more optimistic about Stjarnan 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

  • Both Teams To Score (No) matched the full-time result
  • Under 2.5 goals aligned with the xG profile

What failed

  • 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 Stjarnan higher (51.6% vs model 37.5%, 14.1 pp), but the model's lean was validated (Stjarnan win 2–0).

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Prediction Timeline

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

  1. Sep 13, 2026 · 14:01 UTC Forecast generated
    • Model 1X2 · Stjarnan 37.6% · Draw 29.6% · IBV Vestmannaeyjar 32.9%
    • xG · Stjarnan 1.35 — IBV Vestmannaeyjar 1.25
  2. Sep 13, 2026 · 13:35 UTC Opening odds snapshot PRE30
    • 1X2 odds · Stjarnan 1.84 · Draw 4.30 · IBV Vestmannaeyjar 3.61
    • Implied 1X2 · Stjarnan 51.6% · Draw 22.1% · IBV Vestmannaeyjar 26.3%
    • Bookmaker · Pinnacle
  3. Sep 13, 2026 · 14:01 UTC Closing snapshot recorded PRE5
    • 1X2 odds · Stjarnan 1.84 · Draw 4.30 · IBV Vestmannaeyjar 3.61
    • Implied 1X2 · Stjarnan 51.6% · Draw 22.1% · IBV Vestmannaeyjar 26.3%
    • Bookmaker · Pinnacle
  4. Sep 13, 2026 · 14:00 UTC Kickoff
  5. FT Full-time result Stjarnan win · 2–0
  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: Monitor
Historical Decision Monitor
Outcome Validated
Pre-match metrics (historical context)
Prediction Reliability 56/100 · Moderate
  • Validation: Warning
  • Large market gap (14 pp)
Evidence ★★★★★
  • No strong statistical edge
  • Market has already priced much of the edge
  • Validation warning
Pricing proximity (inverse gap) 29/100
Betting Confidence 44/100

Validation Report

Immutable Snapshot

Prediction Time: Sep 08, 2026 · 01:07 UTC Snapshot ID: dp-7564737

Closing Odds 1.84
AI Fair Odds —
CLV Pending
Final Result Stjarnan win · Stjarnan 2–0 IBV Vestmannaeyjar
Prediction ✔ Correct
Decision Grade A

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: Úrvalsdeild
  • Fixture: Stjarnan vs IBV Vestmannaeyjar
  • Kickoff: 2026-09-13 14:00:00
  • 1X2 (model): Home 37.6% · Draw 29.6% · Away 32.9%
  • xG (showing): Stjarnan 1.35 — IBV Vestmannaeyjar 1.25 (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: 28.0% · Probability edge: +23.8 pts · Est. EV: +86.5%
  • BTTS (model): Yes 54.5% · No 45.5%
  • Correct score (top bin): 1-1 (12.5%)

Use the cards for tiering; this text only restates the same inputs in narrative form.

Early match state can move realised goals away from pre-kick projections.

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

October 01, 2026 (UTC)

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Úrvalsdeild Úrvalsdeild — Standings
# TEAM MP W D L PTS
1 Vikingur Reykjavik 22 16 5 1 53
2 Fram Reykjavik 22 13 6 3 45
3 KR Reykjavik 22 13 5 4 44
4 Breidablik 22 8 6 8 30
5 IA Akranes 22 8 6 8 30
6 Keflavik 22 8 4 10 28
7 Stjarnan 22 8 4 10 28
8 Valur Reykjavik 22 8 3 11 27
9 FH hafnarfjordur 22 4 9 9 21
10 Thor Akureyri 22 6 3 13 21
11 KA Akureyri 22 5 5 12 20
12 IBV Vestmannaeyjar 22 4 6 12 18
# TEAM MP GS GC +/- PTS
1 KR Reykjavik 22 74 49 +25 44
2 Vikingur Reykjavik 22 67 21 +46 53
3 Fram Reykjavik 22 56 42 +14 45
4 Breidablik 22 43 41 +2 30
5 Stjarnan 22 42 50 -8 28
6 IA Akranes 22 39 41 -2 30
7 Valur Reykjavik 22 39 45 -6 27
8 KA Akureyri 22 35 48 -13 20
9 Keflavik 22 33 38 -5 28
10 IBV Vestmannaeyjar 22 32 45 -13 18
11 FH hafnarfjordur 22 27 39 -12 21
12 Thor Akureyri 22 22 50 -28 21