Grasshoppers vs Sion — Swiss Super League result and pre-match forecast, Tuesday, 15 September 2026

Swiss Super League·Tuesday, 15 September 2026

2 – 5

Sion

Metis pre-match forecast

Market-anchored distribution

Frozen as published · 8.8 h before kick-off. Never re-computed after the match.

Grasshoppers

24%

Draw

25%

Sion

52%

pick · result

Final score

2–5

Top pick landed

Metis gave a Sion win 51.7% before kick-off, and its most likely result was a Sion win. Expected goals 1.27–1.94 against 2–5 actual.

Forecast against the result

Over 2.5 goals62%7 scored
Both teams score63%yes
Grasshoppers clean sheet14%no
Sion clean sheet28%no
Grasshoppers score 2+36%yes
Sion score 2+58%yes

How this forecast scored

Ranked probability score0.1446
1X2 Brier score0.3493
Probability on the result51.7%

Both scores are losses: lower is better, 0 is a forecast that put all of its probability on what happened. A single fixture says nothing on its own — the league's running record is on its league page, and the model is measured against the Pinnacle opening price in the methodology.

Most likely scores before kick-off: 1–1 (11.1%), 1–2 (9.5%), 0–2 (7.5%). It finished 2–5.

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Grasshoppers

25 JulAvs Lausanne1–1D
2 AugHvs Lugano1–4L
8 AugAvs Servette1–2L
30 AugAvs Vaduz2–5L
2 SeptHvs St. Gallen2–0W

Sion

26 JulAvs Young Boys2–4L
2 AugHvs Luzern3–0W
9 AugHvs Vaduz3–2W
30 AugHvs Lugano1–2L
3 SeptAvs Basel2–1W

Head to head

No previous meetings in the Metis results archive for this competition.

Model context

StatGrasshoppers
(Home · 6 matches)
Sion
(Away · 6 matches)
BTTS rate66.7%66.7%
Over 2.5 rate66.7%83.3%
Clean sheet16.7%16.7%
Avg goals4.004.00

Home stats use Grasshoppers's home record; away stats use Sion's away record this season. These are completed-match rates over the samples shown above, not model probabilities — early in a season a handful of matches produces 0% and 100% readings.