General Betting Math
Betting ROI Calculator
Betting ROI Calculator calculates betting ROI from displayed fields. A material participant, format, or source change requires a new betting ROI baseline.
Inputs for betting ROI
Replace every default with a value for the same event and settlement period.
Set the event before calculating
The working question for betting ROI is narrow: measure profit as a percentage of total money risked. For the saved case, no live price, participant feed, or result is loaded automatically.
Betting ROI depends on the event scope represented by Total amount staked and Total amount returned.
Information outside the formula
At this stage, a material participant, format, or source change requires a new betting ROI baseline.
Under the entered assumptions, cash, restricted credit, gross return, and net profit may require separate accounting.
For this market, use an executable price for the exact selection and stake, not an earlier screenshot or an unavailable best quote.
Formula: ROI = (returned − staked) ÷ staked × 100.
Stake and quoted prices determine return, profit, or allocation.
The formula cannot verify that every price remains executable.
Within this calculation, a new market definition requires a new input set.
Building one compatible input set
On this page, check the timestamp and unit for Total amount staked because it supplies sum of all settled stakes.
Keep Total amount returned on the event basis defined here: sum of stakes and winnings returned.
When using the result, inputs collected on different dates may describe states that never existed together.
When bankroll growth is relevant, calculate it independently with the Bankroll Growth.
Reading the headline and supporting rows
Compare calculated return with a price that can be accepted.
A theoretical payout is useless when limits prevent execution.
In the current scenario, keep a quoted price and model probability clearly labeled.
Worked example with different inputs
For the selected event, follow the arithmetic once, then replace every figure with a sourced value.
Begin with Total amount staked at its loaded example value and keep the other displayed defaults.
Method: ROI = (returned − staked) ÷ staked × 100.
In this model, a clean reproduction is not evidence that the inputs are accurate.
Testing result sensitivity
- Keep stake fixed and compare the accepted price with one realistic adverse quote.
- For promotions or hedges, test the actual eligible maximum.
- Do not change multiple prices when identifying the source of a return difference.
The Betting Yield is useful only if that separate output affects the decision.
Reasons to calculate again
- Voided wagers should be handled consistently in both totals.
- At this stage, review promotion terms, limits, push treatment, void rules, and whether stake is returned before comparing profit.
- For the saved case, a precise answer does not reduce uncertainty in undocumented inputs.
After documenting betting ROI, the Free Bet Conversion can answer another question.
Documenting a market snapshot
For this market, preserve the first answer when Total amount returned changes.
Under the entered assumptions, save enough context to reproduce betting ROI without form defaults.
In this model, state what changed and why in the next calculation.