What is an Odds Boost?
A sportsbook promotion that temporarily increases the odds on a specific bet to attract bettors.
Odds Boosts Explained
An odds boost is a promotional offer from a sportsbook where they temporarily increase the odds on a specific bet or market. For example, a fighter who is normally -150 might be "boosted" to +100 for a limited time.
Sportsbooks use odds boosts as marketing tools to attract new customers and encourage betting activity. They're essentially giving you a better price than the true market odds.
How to Evaluate an Odds Boost
Not all boosts are created equal. To determine if a boost is actually valuable:
1. Check the unboosted odds — Compare the boosted price against the normal odds at that book and other books
2. Calculate the true probability — Use consensus odds from multiple sportsbooks (like on KnockoutOdds)
3. Determine if it's +EV — If the boosted odds imply a lower probability than the true probability, the boost is +EV
Example:
- Consensus probability for Fighter A: 60%
- Boosted odds: +100 (implied 50%)
- This is a +10% edge — excellent boost
Many boosts look flashy but barely move the needle. Always do the math.
Boost Betting Strategy
Best practices for betting odds boosts:
- Always check if it's +EV — Don't bet just because it's "boosted"
- Max bet the good ones — Truly +EV boosts (5%+ edge) should be max bet within the limit
- Look for combat sports boosts — Fight night boosts are common on DraftKings, FanDuel, and BetMGM
- Combine with other promos — Some boosts stack with profit boosts or other promotions
- Watch for limits — Most boosts have maximum bet amounts ($10-$50 typical)
Frequently Asked Questions
Are odds boosts always a good deal?
No. Many odds boosts are designed to look attractive while offering minimal actual value. Always compare the boosted odds against the true probability (using consensus odds) to determine if the boost makes the bet +EV.
How often do sportsbooks offer odds boosts?
Most major sportsbooks (DraftKings, FanDuel, BetMGM, Caesars) offer daily boosts, with additional fight-specific boosts on UFC and major boxing event nights.