Your Free Bet Stake Is Probably Not Coming Back

A $20 free bet is not the same as a $20 bill. #

A bonus bet, free bet, or bet credit settles differently than a cash bet, and the difference is the part that goes missing on the way to the bank. When a cash bet wins, the bettor gets the stake back plus the winnings. When a bonus bet wins, the bettor gets the winnings only and the bonus stake is quietly retired by the sportsbook. A $20 cash bet on -110 returns $38.18. A $20 bonus bet on the same -110 returns $18.18. The headline numbers are identical. The payouts are not.

This is not hidden. It is in the settlement terms of every sportsbook that uses the bonus-bet structure, and the four largest US books have all moved to this model in the last several years. The trouble is that the marketing language has not kept up. The button still says FREE BET in cheerful color, and the offer page still uses the dollar sign without the asterisk that would explain how the dollars actually behave. The reader is left to translate.

The arithmetic of the missing stake #

The conversion math is small and mean. The cash value of a $1 stake-not-returned bonus bet at decimal odds D is exactly (D - 1) / D. At even money (D = 2), the cash value is fifty cents. At -110 (D = 1.91) it is 47.6 cents. At -300 (D = 1.33) the cash value collapses to 25 cents. The book is not stealing anything; it is simply paying out the winnings while keeping the original token. The bettor is the one in charge of choosing where to spend the token, and the choice changes the value by a factor of three or four depending on price.

This is why bonus-bet strategy is the opposite of cash-bet intuition. With cash, betting heavy favorites can be a perfectly reasonable habit. With a bonus token, betting heavy favorites throws away the token. The structural payoff of the bonus bet wants you on plus-money prices, where the stake-not-returned penalty is small relative to the total payout. A $20 bonus bet on +200 returns $40 — twice the cash value of the same token on -200, where it returns $13.33.

Why the book quietly prefers chalk #

The sportsbook is not naive about this asymmetry. The book is happy to hand out a $20 token because it knows roughly where most bettors will use it. Surveyed in-app behavior shows that bonus tokens get applied to favorites at a meaningfully higher rate than cash dollars do. A token on chalk is comfortable, low-variance, and emotionally satisfying when it cashes. It is also the worst possible use of the structure, and that is precisely why the book finds it tolerable to give the token away.

A useful frame: the bonus token is not a $20 bill the book mailed you. It is a coupon for one half-priced bet. The half-priced rate is best when the underlying bet is one you would not have made with cash, because the token is paying for the variance you would not otherwise want to absorb. Use it on plus-money prices you have an opinion on. Skip it on chalk you would have bet anyway. The token then earns its keep instead of subsidizing the book.

The hedging-token trick #

A more advanced reader can squeeze additional value out of a bonus bet by using it as one leg of a structured pair. Place the bonus bet on a plus-money outcome at the original book and a cash bet on the opposite side at a second book where the price is fair. The combined position has lower variance and a higher expected cash transfer than either bet on its own. The structure is sometimes called bonus-bet conversion or matched betting, and the math is well documented in markets like the UK where promo restrictions on this behavior are tighter than in the US.

The technique is not for everyone. It requires two funded accounts, real-time price discipline, and the patience to find pairs where the conversion math actually clears the second book s juice. It also runs into the sportsbook anti-arbitrage detection systems that bonus-bet conversion specialists work around. Most readers should ignore this section. The readers it applies to already know what they are doing. The article is mentioning it only so the rest of the audience understands that there is structure underneath the token, and the structure can be used.

A token is half a dollar with a costume on. Spend it like a half dollar, not like a dollar.

How to actually use a bonus bet #

The Desk position on bonus bets is a checklist. One: is the token stake-not-returned, or is it a deposit-match dollar that behaves like cash? Read the offer page until that is unambiguous. Two: if it is stake-not-returned, what is the expected cash value of the token at the price you intend to use it on? Three: is the underlying market a market you have an opinion on, or are you reaching for it because the token has an expiry date? Four: is the price you are about to take available at a comparable level on a cash bet elsewhere, so that you are not paying a premium for using the token here?

If those four answers line up, the token is doing its job: paying you for the variance you would have otherwise had to absorb, on a market you wanted to bet anyway, at a price the book is not gouging. If any of them fails, the token is a marketing transfer from your future self to the sportsbook, paid in the form of a bet you would not otherwise have made. Letting the token expire is sometimes the most reader-friendly outcome the offer can produce.

A useful reader habit when an unfamiliar token lands in the account: do not click anything until the cash-conversion math is on paper. Open the sportsbook help page, locate the settlement language for the specific token, and translate it into the per-dollar cash value at the price you intend to use it on. If the token returns winnings only at a price worth taking, the math will show a positive transfer. If the token returns winnings only on a market that requires plus-money you do not actually like, the token is asking you to invent an opinion you did not have, and the cleanest answer is often to let the token expire rather than to force a wager onto a market for the sake of the wrapper. Tokens that expire unspent do not carry a tax. Tokens spent badly do.

The closing reading #

Bonus bets are not a scam. They are a perfectly normal financial structure that pays half value on each token, in exchange for the sportsbook acquiring a customer relationship it values at more than half a token. The reader is allowed to participate in that exchange. The reader is also allowed to participate intelligently, by using the token on the markets where the conversion math is friendliest and skipping the markets where the token throws away most of its headline value.

The Desk position on bonus bets is the same as the Desk position on every other piece of promo language: the offer is allowed to be useful, and the reader is allowed to do the math. If a $20 token returns $40 instead of $4, the difference is a function of the price you chose, not a function of how much you trust the sportsbook. The token does not have feelings. The reader does, and the math survives the feelings more often than the feelings survive the math.