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The Better Price / the cap
The ceiling on the stake

The maximum stake

Almost every uplifted price caps the stake that is taken at the better price, and the cap is where the offer stops being a better price and becomes an ordinary one. This page shows what the cap is, what the sampled caps were, and how the stake above the cap is settled.

Desk spec
boosts sampled
540
cap of 10.00
372
cap of 20.00
120
cap of 50.00
48
mean cap
15.8
whole stake qualified
31.1%
The uplift barsample B / three offered selections, market price against boosted price
selection one2.50 → 3.00+20.0%
selection two4.00 → 4.50+12.5%
selection three1.80 → 2.00+11.1%
the market price is the number the same selection carries everywhere else; the boosted price is what this offer quotes for it. Across the 540 single-selection boosts sampled the mean market price was 2.75 and the mean boosted price 3.17, a mean uplift of +15.3%, and the mean implied chance of the selection fell from 39.8% to 34.6%.
Direct answer

The maximum stake is the ceiling on how much of your bet receives the uplifted price. Stake above it is taken at the ordinary market price. A cap therefore fixes the extra value an offer can add, however much you stake: it does not scale with the bet.

The cap is a ceiling, not a limit on your bet

An offer with a 10.00 cap does not stop a 100.00 stake. It takes the first 10.00 at the boosted price and the remaining 90.00 at the market price. The bet is the same bet; only the pricing of it changes above the line.

Sample D, the qualifying stake across 540 offers
Qualifying stakeOffersShareRunning mean
10.0037268.9%10.00
20.0012022.2%12.44
50.00488.9%15.78
the mean cap540100%15.8

Roughly two offers in three capped the qualifying stake at 10.00. That is the number worth carrying into any comparison: on a 10.00 cap, the whole benefit of the offer is available on a ten-unit stake and no more.

What the cap does to the arithmetic

Worked example / sample I, a 100.00 stake against a 10.00 cap

  1. market price 2.50, boosted price 3.00, cap 10.00
  2. the capped part: 10.00 x 3.00 = 30.00 if it wins
  3. the uncapped part: 90.00 x 2.50 = 225.00 if it wins
  4. total returned if it wins: 255.00
  5. the same 100.00 at the market price throughout: 250.00
  6. what the uplift actually paid: 5.00
A 100.00 stake carries the same uplift as a 10.00 stake: 5.00 if it wins, and 2.00 on average.

The cap is therefore the correct answer to the question an offer never answers: how much is this worth to me. It is worth the same amount at every stake above it, and that amount is smaller the larger the stake is measured against.

Reading a cap before a price

  • Find the qualifying stake before the odds. It is usually in the conditions rather than beside the price.
  • Assume the cap is the smaller of the qualifying stake and what you intend to bet.
  • Compare offers on the capped stake, not on the headline price. Two offers at the same price with different caps are different offers.
  • Remember the stake above the cap is not penalised, just priced normally - see settlement at the boosted price.
  • Where the whole stake qualified in only 31.1% of the sampled offers, assume the cap applies unless the offer says otherwise.