Strommen v Stabaek — prediction, stats and goal analysis

1. Division · Sunday, 21 June 2026. Final score 1–0 (half-time 0–0). Rebuilt from the season as it stood that morning, our rating would have been 69% for over 2.5 goals. This match is older than our frozen ratings ledger, which keeps 30 days, so that figure is a reconstruction from pre-match data rather than a number we published at the time — a distinction worth making, because only the frozen ones prove what we actually said beforehand.

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Our ratings for this match

MarketYesNoOur call
Over 2.5 goals69%31%Over
Over 3.5 goals45%55%Over
Both teams to score63%37%Yes

The result model puts Strommen at 19%, the draw at 19% and Stabaek at 61%, from expected goals of 1.3 and 2.4.

How we got this number

The league sets the starting point. 1. Division has produced over 2.5 goals in 66% of its matches, and that is where a team with no record of its own would sit.

Each side's own record. Strommen have 9 in 11 this season (5 of 5 at home), Stabaek 9 in 11 (5 of 6 away). Those records are pulled toward the league rate with the weight of about 24 matches — enough that two or three unusual games cannot swing a rating — giving 71% and 71%.

Last season still counts, briefly. With 11 and 11 games played this season, last season's rates are still blended in and fade out entirely by game 40 — the point at which our testing showed they stop adding accuracy. A single season is part luck, so each club's record is first pulled toward the league average by 34 games' weight. That moves the two figures to 71% and 66%.

The mix. Weighted 40% home side, 40% away side and 20% league — the split that beat every alternative across 30,582 matches of testing — that gives 68%.

Goal expectation. Separately a Poisson model built from attack and defence strength — using real expected-goals data where the league has it — puts this match at 72%, from expected goals of 1.3 for Strommen and 2.4 for Stabaek. Folding in 30% of that view gives 69%.

This breakdown is generated from the same inputs the rating uses, so it cannot describe a calculation we did not perform. The full model is set out in the methodology.

Season form

TeamGamesO2.5O3.5BTTS
Strommen1182%55%55%
Stabaek1182%64%64%

More: Strommen season stats · Stabaek season stats · 1. Division table and form. Ratings are calibrated probabilities, not tips — a 60% call is expected to miss two times in five.