What is Promo Converter?
A tool that calculates the optimal lay stake to convert a sportsbook free bet into withdrawable cash.
Definition
A promo converter calculates the lay stake on a betting exchange that maximises retained value from a free bet, free play, or boosted-odds promotion. Inputs: free bet amount, back odds at the sportsbook, lay odds at the exchange, exchange commission. Output: optimal lay stake and guaranteed retention rate (typically 70-90% of the free-bet face value). ProfitDuel is the leading US-focused promo converter; OddsMonkey serves the UK market. Indispensable for matched betting profitability.
Example
$50 DraftKings free bet, back at 4.0 → lay $48.78 at 3.75 on Smarkets (commission 2%) → retain ~$36.40 cash regardless of outcome.
Related terms
More from this category: Tools & Software
FAQ
What does "Promo Converter" mean in sports betting?
A tool that calculates the optimal lay stake to convert a sportsbook free bet into withdrawable cash.
How is "Promo Converter" used at the FIFA World Cup 2026?
Promo Converter applies to every World Cup 2026 match in the same way as any other regulated sports event. Fan Bet Odds tracks the relevant prices and lines across Bet365, Pinnacle, DraftKings, BetMGM and other licensed bookmakers — see the match prediction and odds pages for live application.
Where can I see "Promo Converter" in action on Fan Bet Odds?
Promo Converter appears throughout our match prediction pages (/odds/predictions/match/[slug]), market deep-dives (/odds/predictions/match/[slug]/[market]) and bookmaker reviews (/bet/bookmakers/[slug]). Use the related terms below to navigate the broader glossary.
World Cup 2026 - Daily Odds & Tips
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