Formula One qualifying and the race price
Grid position is the single largest input into a race market, which is why Saturday afternoon reprices Sunday more than any other hour of the weekend.
A Formula One race market before qualifying and the same market after it are two different bets. Grid position is the largest single input into a race result, and it is determined in one hour on Saturday.
Why the circuit decides how much it matters
At a track where overtaking requires a large pace advantage, pole is worth an enormous amount and the race odds after qualifying are close to a restatement of the grid. At a track with long straights and multiple viable lines, a fast car starting fifth is barely inconvenienced.
So the same qualifying result should move the race price by very different amounts depending on where it happened, and a model that applies one grid adjustment across the calendar will be systematically wrong at both ends.
What the pre-qualifying price contains
It contains an estimate of qualifying and an estimate of the race, multiplied together. That makes it a compound bet, and compound bets carry compound uncertainty. Anybody betting on Friday is taking a view on two things and being paid for one.
This is the same structure as an outright tennis price: a product of several probabilities, where a small error in each compounds through the chain.
Where the market is slowest
Strategy. Tyre allocation, whether a team has saved a fresh set, and pit window overlaps are all knowable on Saturday evening and are not fully in the Sunday morning price at most books. It is the least efficient corner of the market and also the hardest to research, which is not a coincidence.
What this does not tell you
Reliability. A car that does not finish makes every other calculation irrelevant, and modern reliability is high enough that failures are rare enough to be nearly unpriceable and common enough to ruin a season of otherwise sound reasoning.
Common questions
How much does grid position affect Formula One race odds?
Enormously at circuits where overtaking is difficult, and much less at circuits where it is easy. The same qualifying result means very different things at Monaco and at Monza.
Should you bet before or after qualifying?
Before is a bet on qualifying as well as the race. After is a cleaner bet on the race, at a price that has already absorbed the largest single input.
Does weather change the calculation?
Substantially. Rain compresses the field by reducing the advantage of car performance, which is the factor grid position mostly measures.