Glossary
DFS & Betting Glossary
Every term that matters, explained in plain English — from GPP and leverage to vig and ADP.
DFS
GPP (Guaranteed Prize Pool)
A large-field DFS tournament with a fixed prize pool that pays steeply at the top.
Cash Game
A DFS contest (50/50, double-up, head-to-head) where roughly half the field wins.
Ownership (Projected Ownership)
The percentage of lineups in a contest expected to roster a given player.
Leverage
Projection relative to ownership — the edge from being right where the field is light.
Chalk
A highly-owned, popular play that most of the field rosters.
Floor
A conservative estimate of a player's worst likely fantasy outcome.
Ceiling
An optimistic estimate of a player's best likely fantasy outcome.
Stack
Rostering multiple correlated players (e.g. a QB and his receivers) together.
Correlation
How much two players' fantasy outcomes move together.
Late Swap
Editing a lineup after lock, for players whose games haven't started yet.
Betting
Implied Team Total
The points a team is expected to score, derived from the game total and spread.
Point Spread
The margin a favorite must win by for a bet on them to cash.
Moneyline
A bet on which team wins outright, priced in American odds.
Vig (Juice)
The sportsbook's built-in margin — why two sides of a bet don't pay even money.