Retention rate is the share of players from a starting group who are still active after a defined period. It is measured on a cohort — everyone who registered or first deposited in the same week or month — and reported at fixed checkpoints: day 1, day 7, day 30, month 2, month 3.
Definition
Retention rate is the share of players from a starting group who are still active after a defined period. It is measured on a cohort — everyone who registered or first deposited in the same week or month — and reported at fixed checkpoints: day 1, day 7, day 30, month 2, month 3. "Active" must be defined explicitly (placed a bet, logged in, or deposited within the window), because the definition changes the number substantially.
Retention is the single strongest predictor of whether an acquisition channel is worth scaling. Two sources can deliver first deposits at the same cost, but if one retains 25% of players to day 30 and the other retains 8%, the first is worth several times more over the player lifetime.
Because of this, mature operators judge affiliate and media-buying sources on cohort retention curves, not on volume or cost per FTD alone.
In context
Retention curves in iGaming fall steeply at first — a large fraction of new depositors never return after their first session or two — then flatten into a stable long-term core. The shape matters more than any single point: a source with low day-1 retention but a flat curve after day 7 is building a real player base, while a source with high day-1 retention that keeps declining is delivering bonus-chasers who leave once the promotion ends.
Analysts read the whole curve and the area under it, which approximates expected active days per player.
Retention is driven by product and by acquisition quality together. Product levers include onboarding, game range, payout speed, customer service, and responsible-gambling friction applied appropriately.
Acquisition levers include channel, creative honesty (accurate expectations retain better than inflated ones), geo, and offer type (a smaller matched bonus often retains better than a large one with heavy wagering). For an affiliate, being able to show that its traffic retains well is the strongest argument for a better deal, because retention is exactly what the operator is trying to buy.
Worked example
Two affiliates deliver FTDs at $90 each. Affiliate A's cohort retains 22% to day 30 with a flat curve after day 10; affiliate B's retains 9% and still falling.
Over 90 days affiliate A's players average 31 active days versus 11 for B, so the operator raises A's CPA and caps B's volume.
Related terms
Frequently asked questions
Browse the full iGaming & affiliate glossary — hundreds of EN/RU terms with examples.
← Back to glossary