Norway go to Wales at 1.49, and the market gives them two matches in three. The new book opens with a lay of Norway: €490 at risk to win €980, break-even 33.3%.

The book starts again from zero, and it starts with a short price. Norway are 1.49 to win in Wales, which is the market saying they take this match about two times in three. The case for that number is not hard to make. Norway beat Denmark 3–2 in the opening round, with Erling Haaland scoring twice, and Haaland scored again on Sunday. Wales have lost 1–0 in Portugal and 2–0 in Denmark, and have not scored in the competition. On form and on names, Norway are the better side, and nobody at the exchange is pretending otherwise.

The position is a lay of Norway at 1.49: €490 at risk to win €980. That geometry is the friendly one — a win pays twice what a loss costs — and it is why the break-even sits as low as 33.3%. We are paid on the draw or on a Welsh win. Strip the margin off the back column — 7.4 Wales, 5.1 the draw, 1.48 Norway, an overround of 100.7% — and the fair line reads 13.4% / 19.5% / 67.1%. The two results that pay us add to 32.9%. We need 33.3%. Four tenths of a point against us, roughly €6 of negative expectation per position. The crack, such as it is, is the fixture list: Norway lost 2–1 at home to Portugal on Sunday, so this is their third match in eight days, away from home, against a Wales side that is bottom of the group and has more reason to make the evening awkward than the price allows.

The honest reading is that the price is close to right. A Wales side without a goal in two matches is not an obvious source of upsets, and the draw that pays us half of this position needs Norway to be held by a team that has not yet scored against anyone. Four tenths of a point is the commission and a little more. What this lay offers is the shape, not the edge: when it loses, it loses €490; when it wins, it wins €980. One match will decide nothing. The ledger opens here, and every position goes into it as it lands.