Stacking Promotions
6 min read · Free
What Stacking Means
Stacking means applying a promotion to one side of a hedge while also benefiting from a promotion or favorable condition on the other side. Done correctly, stacking amplifies the total profit from a single pair of bets — sometimes significantly.
The most common form: you have a bonus bet at Book A and a profit boost token at Book B. Instead of using them on separate unrelated bets, you use them on opposite sides of the same game — so both promos apply to the same outcome.
Valid vs. Invalid Stacks
Not all stacking is valid. Some combinations are available; others violate promo terms or aren't mechanically possible.
Valid stacks
- Bonus bet at Book A + profit boost token at Book B— Two different books, two different promo types, opposite sides. Both apply.
- Odds boost at Book A + bonus bet at Book B— Place the boosted bet at Book A; use the bonus bet on the other outcome at Book B. Both promos contribute to the profit calculation.
- Two independent recurring promos on opposite sides— If Book A and Book B both have active bonus bets and the terms don't restrict same-game hedging, you can deploy both on opposite sides of a two-outcome market.
- Referral bonus at one book + normal cash at the other— Referral credit is typically unrestricted except for standard terms. Use it as the promo side; cash hedge at a second book.
Invalid stacks
- Two bonus bets at the same book— You can only use one bonus bet per qualifying bet at a given book. Check the terms: most books explicitly state one bonus bet per game or per day.
- Profit boost + bonus bet on the same side at the same book— Most books don't allow you to apply a profit boost token to a bet placed with a bonus bet. The promo can't stack on itself.
- Two promos that have conflicting "no-hedge" clauses— Rare, but some promo terms include language prohibiting offsetting bets. Read the fine print.
A Worked Example: Correct Stack
Setup: $100 bonus bet at Book A (Team A side). $25 profit boost (25% boost) at Book B (Team B side). Market: Team A −110 / Team B −110.
Step 1: Calculate value of the bonus bet side (Book A)
$100 bonus bet at −110. If Team A wins: $90.91 profit (stake not returned).
Conversion at ~70% of face value: ~$70.00 expected from this side alone.
Step 2: Apply profit boost at Book B
Hedge: $95 cash on Team B at −110. Normal profit if Team B wins: $86.36.
With 25% profit boost applied: $86.36 × 1.25 = $107.95 profit if Team B wins.
Step 3: Recalculate hedge for equalized outcome
The profit boost increases what Book B pays out if Team B wins. That changes the hedge math — you don't need as much cash on Team B to equalize. Use the PromoEdge calculator with both promos active to find the exact equalized stake.
Approximate result (unequalized)
If Team A wins: +$90.91 (bonus bet) − $95 (hedge stake) = −$4.09. Partial loss.
If Team B wins: +$107.95 (boosted profit) − $0 (bonus bet gone) = +$107.95.
After equalization: ~$40–$55 locked in regardless of outcome (varies with exact hedge stake).
The key insight: because the profit boost increases Book B's payout, you need a smaller hedge stake on Team B to equalize outcomes. The savings on the hedge stake directly add to your locked-in profit.
Recalculating the Hedge When Stacking
Every time a promo is added to one side, the hedge calculation changes. Do not use the same hedge stake you'd use for a one-promo bet:
Bonus bet at Book A only
Standard bonus bet hedge formula. Hedge stake covers only normal profit + potential bonus bet win.
Bonus bet at Book A + profit boost at Book B
Profit boost inflates Book B's payout. Hedge stake decreases. Locked-in profit increases.
Bonus bet at Book A + odds boost at Book A
Usually not stackable (same book). If allowed, the higher odds increase Book A's potential win — re-run the calculation.
Two bonus bets (one per side)
Very favorable. Both sides pay only winnings if they win. Locked-in profit is maximized. Run both bonus bet values through the calculator simultaneously.
The Golden Rule: Read Both Sets of Terms
Before executing a stack, read the promo terms at both books. Specifically:
- Does either book prohibit "offsetting bets" or "lay bets" (unusual in US, but worth checking)?
- Is the profit boost restricted to certain markets (e.g., NFL only)?
- Does the bonus bet require straight bets only — and is your chosen market a straight bet?
- Is there a combined max payout that would cap your winnings on the promo side?
When both terms are clear and compatible, stack confidently. When uncertain, use the more conservative interpretation — or only deploy one promo on the pair.