Prediction Audit: FC Basel 1893 vs FC Sion Prediction, Odds & AI Betting Tips

FC Basel 1893

Sep 03, 2026 - 18:30

1 1.09

2 1.60

xG Accuracy: 87%

FC Sion

AI correctly predicted the FC Sion win.

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

Model vs Closing Market

Outcome	Model	Closing Market	Difference	Signal
FC Basel 1893	27.1%	33.7%	-6.6 pp	Market Higher
Draw	27.5%	24.9%	+2.5 pp	Aligned
FC Sion	45.4%	41.4%	+4.1 pp	Aligned

The closing market estimates FC Basel 1893's win probability at 33.7%, compared with the model's estimate of 27.1%, a difference of 6.6 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 (FC Sion win 1–2).

Market Assessment

The market and model broadly agree on FC Basel 1893. The remaining divergence may reflect differences in team-strength assumptions rather than a directional disagreement.

Monitor line movement before kickoff — not a betting recommendation.

Post Match Insights

What worked

Expected goals projected a high-scoring match (ΣxG 2.69) — 3 goals materialised
FC Sion attacking xG significantly stronger (1.60 vs 1.09)
Both Teams To Score (Yes) matched the full-time result

Market lesson

Large model–market gaps do not automatically mean the market is right. Here the closing market priced FC Sion higher (52.0% vs model 45.4%, 6.6 pp), but the model's lean was validated (FC Sion win 1–2).

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Prediction Timeline

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

Sep 03, 2026 · 19:14 UTC Forecast generated
- Model 1X2 · FC Basel 1893 27.1% · Draw 27.5% · FC Sion 45.4%
- xG · FC Basel 1893 1.09 — FC Sion 1.60
Sep 03, 2026 · 18:00 UTC Opening odds snapshot PRE30
- 1X2 odds · FC Basel 1893 2.87 · Draw 3.88 · FC Sion 2.34
- Implied 1X2 · FC Basel 1893 33.7% · Draw 24.9% · FC Sion 41.4%
- Bookmaker · Pinnacle
Sep 03, 2026 · 18:29 UTC Closing snapshot recorded PRE1
- 1X2 odds · FC Basel 1893 2.87 · Draw 3.88 · FC Sion 2.34
- Implied 1X2 · FC Basel 1893 33.7% · Draw 24.9% · FC Sion 41.4%
- Bookmaker · Pinnacle
Sep 03, 2026 · 18:30 UTC Kickoff
FT Full-time result FC Sion win · 1–2
FT Prediction validated Directional lean matched full-time result
Archived Prediction review

Historical Snapshot

Frozen at kickoff — the model output as it stood before the match started.

Historical verdict: Observe

Historical Decision No Primary Bet

Outcome Validated

Pre-match metrics (historical context)

Prediction Reliability 76/100 · High

Validation: Pass

Evidence ★★★★★

No strong statistical edge
Direction agrees with model lean
Validation passed

Pricing proximity (inverse gap) 67/100

Betting Confidence 79/100

Validation Report

Immutable Snapshot

Prediction Time: Aug 28, 2026 · 01:57 UTC Snapshot ID: dp-5734953

Closing Odds 2.87

AI Fair Odds —

CLV Pending

Final Result FC Sion win · FC Basel 1893 1–2 FC Sion

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

Quick read on how the model reads this matchup.

League: Super League
Fixture: FC Basel 1893 vs FC Sion
Kickoff: 2026-09-03 18:30:00
1X2 (model): Home 27.1% · Draw 27.5% · Away 45.4%
xG (showing): FC Basel 1893 1.09 — FC Sion 1.6 (total xG ≈ 2.69)
Value headline: None (actionable) — best tracked EV is about +0.8%, still below the +2.0% minimum for a headline / default stake (no default bet).
Structural leans (not bets): Structural lean (model): O/U 2.5 Over 2.5 (Under 2.5 49.6% · Over 2.5 50.4%); BTTS Yes (Yes 54.5% · No 45.5%) Value lean (pricing): O/U 2.5 Over 2.5; BTTS Yes
BTTS (model): Yes 54.5% · No 45.5%
Correct score (top bin): 1-1 (11.8%)

The decision block shows no default Primary: Primary needs consensus EV ≥ +5.0% plus strength/reliability/calibration gates. A separate Lean/tracked gate is +2.0% (selective only). Lean labels are directional only — not bankroll-sized recommendations.

Prefer skipping to over-staking when the engine is honest about missing edge.

Historical Recommendation

Historical Decision: No Primary Bet

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 16, 2026 (UTC)

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Super League — Standings

#	TEAM	MP	W	D	L	PTS
1	FC Lugano	7	6	1	0	19
2	BSC Young Boys	8	4	4	0	16
3	FC Sion	7	5	0	2	15
4	FC Basel 1893	7	3	1	3	10
5	FC ST. Gallen	7	3	1	3	10
6	FC Luzern	7	2	3	2	9
7	Grasshoppers	7	2	2	3	8
8	FC Thun	7	2	1	4	7
9	FC Zurich	7	2	1	4	7
10	FC Vaduz	7	2	0	5	6
11	Lausanne	7	1	3	3	6
12	Servette FC	6	1	1	4	4

#	TEAM	MP	GS	GC	+/-	PTS
1	BSC Young Boys	8	28	16	+12	16
2	FC Lugano	7	19	6	+13	19
3	FC Sion	7	17	11	+6	15
4	FC Vaduz	7	16	17	-1	6
5	FC Basel 1893	7	12	12	0	10
6	FC ST. Gallen	7	12	14	-2	10
7	FC Thun	7	11	18	-7	7
8	FC Zurich	7	11	18	-7	7
9	FC Luzern	7	10	13	-3	9
10	Grasshoppers	7	10	14	-4	8
11	Lausanne	7	7	10	-3	6
12	Servette FC	6	4	8	-4	4

#	TEAM	MP	xG	xGC	+/-	PTS
1	FC ST. Gallen	7	13.1	8.8	+4.3	10
2	FC Sion	7	12.0	7.9	+4.1	15
3	BSC Young Boys	8	10.9	6.8	+4.1	16
4	FC Lugano	7	9.0	5.6	+3.4	19
5	Servette FC	6	7.0	6.7	+0.3	4
6	FC Basel 1893	7	7.0	6.8	+0.2	10
7	Grasshoppers	7	8.8	9.1	-0.3	8
8	Lausanne	7	4.3	5.8	-1.5	6
9	FC Zurich	7	6.4	8.3	-1.9	7
10	FC Luzern	7	6.7	9.7	-3.0	9
11	FC Vaduz	7	8.4	12.1	-3.7	6
12	FC Thun	7	6.7	12.7	-6.0	7