Predictions / Football / Switzerland. Challenge League / FC Aarau vs Stade Nyonnais

Prediction Audit: FC Aarau vs Stade Nyonnais Prediction, Odds & AI Betting Tips

Aug 07, 2026 - 18:15
2 1.53
1 1.07
xG Accuracy: 86%

AI correctly predicted the FC Aarau win.

The match finished 2–1, 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 Over 2.5 (3 goals) ✖ Incorrect
  • Both Teams To Score BTTS Yes Yes ✔ Correct
  • 1X2 FC Aarau FC Aarau ✔ Correct
  • Correct Score Insights 1-1, 1-0, 2-1, 2-0, 0-1 2-1 ✔ Correct

Model vs Closing Market

Strong Disagreement

The closing market prices FC Aarau higher than the statistical model.

Largest probability gap: FC Aarau -21.4 pp

Outcome Model Closing Market Difference Signal
FC Aarau 46.3% 67.7% -21.4 pp Market Higher
Draw 28.7% 18.8% +9.9 pp Model Higher
Stade Nyonnais 25.0% 13.5% +11.5 pp Model Edge

The closing market estimates FC Aarau's win probability at 67.7%, compared with the model's estimate of 46.3%, 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 model's directional lean matched the result (FC Aarau win 2–1).

Post Match Insights

What worked

  • Expected goals projected a high-scoring match (ΣxG 2.60) — 3 goals materialised
  • FC Aarau attacking xG significantly stronger (1.53 vs 1.07)
  • 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 (3 goals)

Market lesson

Large model–market gaps do not automatically mean the market is right. Here the closing market priced FC Aarau higher (67.7% vs model 46.3%, 21.4 pp), but the model's lean was validated (FC Aarau win 2–1).

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Prediction Timeline

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

  1. Aug 07, 2026 · 18:14 UTC Forecast generated
    • Model 1X2 · FC Aarau 46.3% · Draw 28.7% · Stade Nyonnais 24.9%
    • xG · FC Aarau 1.53 — Stade Nyonnais 1.07
  2. Aug 07, 2026 · 17:44 UTC Opening odds snapshot PRE30
    • 1X2 odds · FC Aarau 1.40 · Draw 5.04 · Stade Nyonnais 7.04
    • Implied 1X2 · FC Aarau 67.7% · Draw 18.8% · Stade Nyonnais 13.5%
    • Bookmaker · Pinnacle
  3. Aug 07, 2026 · 18:14 UTC Closing snapshot recorded PRE1
    • 1X2 odds · FC Aarau 1.40 · Draw 5.04 · Stade Nyonnais 7.04
    • Implied 1X2 · FC Aarau 67.7% · Draw 18.8% · Stade Nyonnais 13.5%
    • Bookmaker · Pinnacle
  4. Aug 07, 2026 · 18:15 UTC Kickoff
  5. FT Full-time result FC Aarau win · 2–1
  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: Cautious / Wait

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

Historical Decision Wait
Outcome Validated
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
Betting Confidence 33/100

Validation Report

Immutable Snapshot

Prediction Time: Aug 01, 2026 · 02:35 UTC Snapshot ID: dp-2681146

Closing Odds 1.4
AI Fair Odds —
CLV Pending
Final Result FC Aarau win · FC Aarau 2–1 Stade Nyonnais
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

Quick read on how the model reads this matchup.

  • League: Challenge League
  • Fixture: FC Aarau vs Stade Nyonnais
  • Kickoff: 2026-08-07 18:15:00
  • 1X2 (model): Home 46.3% · Draw 28.7% · Away 24.9%
  • xG (showing): FC Aarau 1.53 — Stade Nyonnais 1.07 (total xG ≈ 2.6)
  • Value headline: At least one tracked line reaches the headline EV threshold — align with the hero / Primary card if shown.
  • 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 53.0% · No 46.9%) Value lean (pricing): O/U 2.5 Under 2.5; BTTS Yes
  • BTTS (model): Yes 53.0% · No 46.9%
  • Correct score (top bin): 1-1 (12.2%)

When book depth is thin or odds are missing, EV may be unavailable even though the model still prefers one side on totals or BTTS — wait for cleaner prices or skip.

If lines move materially, re-run generation or refresh — implied probabilities and any future EV readouts will change first.

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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Challenge League Challenge League — Standings
# TEAM MP W D L PTS
1 Stade Lausanne-Ouchy 9 6 3 0 21
2 FC Winterthur 9 5 3 1 18
3 Yverdon Sport 9 4 4 1 16
4 SC Kriens 9 4 2 3 14
5 FC Aarau 9 3 3 3 12
6 Neuchatel Xamax FC 9 4 0 5 12
7 Rapperswil 9 3 1 5 10
8 Étoile Carouge 9 2 3 4 9
9 FC WIL 1900 9 2 3 4 9
10 Stade Nyonnais 9 0 2 7 2
# TEAM MP GS GC +/- PTS
1 FC Winterthur 9 19 8 +11 18
2 Stade Lausanne-Ouchy 9 17 3 +14 21
3 SC Kriens 9 16 11 +5 14
4 Rapperswil 9 15 16 -1 10
5 FC WIL 1900 9 15 21 -6 9
6 Yverdon Sport 9 14 9 +5 16
7 FC Aarau 9 14 16 -2 12
8 Neuchatel Xamax FC 9 12 17 -5 12
9 Étoile Carouge 9 8 12 -4 9
10 Stade Nyonnais 9 6 23 -17 2