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REFERENCE
Definitions for every metric and term used in our platform. Each entry is written to be precise and self-contained — no math background required. For longer explainers, see our scratch-off guides →
Expected Value per Dollar
Expected value per dollar (EV/$) is the average return you can mathematically expect from each dolla…
Overall Odds
Overall odds (often written "1 in N") is the probability that any given scratch-off ticket will reve…
Prize Pool Ratio
Prize pool ratio (PPR) is the percentage of a game's total advertised prize value that remains uncla…
Burn-Down Rate
Burn-down rate (also called daily drainage rate) is the percentage of a scratch-off game's remaining…
Percentile Rank
Percentile rank indicates where a scratch-off game's current EV/$ sits relative to all other active …
Top Prize Remaining
Top prizes remaining is the count of the highest-tier prize in a scratch-off game that has not yet b…
Claim Velocity
Claim velocity measures how quickly top prizes are being redeemed over time — typically expressed as…
Expected Value
Expected value (EV) is the probability-weighted average prize payout for a single scratch-off ticket…