Updated Reviewed by Marcus Reid, Senior Editor
Our #1 pick

BetMGM

★★★★☆ 4.7/5
Up to $1,500 Back
If first bet loses

Top 3 ranked

#1
BetMGM Up to $1,500 Back

BetMGM offers the highest cap in Colorado; up to $1,500 back as bonus bets if your first wager loses. The first-bet structure means you can swing for a large stake with downside protection. Use code BETINCO at signup.

#2
DraftKings Bet $5, Get $200 in Bonus Bets

DraftKings' "Bet $5, Get $200" qualifying-bet offer pays out the bonus regardless of whether the first wager wins or loses. The lowest entry threshold of any meaningful welcome offer in Colorado; ideal for testing the app with minimal risk.

#3
bet365 Bet $10, Get $365 in Bonus Bets

bet365's "Bet $10, Get $365 Win or Lose" sits between the two structures; slightly higher entry threshold than DraftKings, but $365 in guaranteed bonus bets is meaningfully more than DraftKings' $200.

How we picked

Our ranking is based on the criteria below. We test every Colorado-licensed sportsbook directly; no vendor input on placement.

  • Maximum bonus value
  • Minimum qualifying wager or deposit
  • How the bonus is paid out (cash, bonus bets, FanCash)
  • Expiration window on bonus bets
  • Minimum-odds restrictions for bonus-bet wagers

Top 3 side by side

Attribute BetMGMDraftKingsbet365
Rating4.7/54.9/54.7/5
Welcome bonusUp to $1,500 BackBet $5, Get $200 in Bonus BetsBet $10, Get $365 in Bonus Bets
Promo codeBETINCONo code required; use linksNo code required; use links
Min deposit$10$5$10
Withdrawal24-72 hrs24-72 hrs24-48 hrs
App rating4.7 ★4.9 ★4.6 ★
Best forHighest BonusMarket LeaderLive Betting

Compare all 13 Colorado sportsbooks

Looking for something different? See all 13 Colorado sportsbook reviews, browse the head-to-head comparison hub, or jump to other ranked categories.

Best Welcome Bonus in Colorado FAQ

What is the biggest sportsbook bonus in Colorado?

BetMGM offers the largest cap at up to $1,500 back as bonus bets if your first wager loses. The structure is a first-bet safety net; you need to actually wager close to the cap and lose to claim the maximum.

Which Colorado bonus is best if I'm new to sports betting?

DraftKings' "Bet $5, Get $200" is the most beginner-friendly. The $5 qualifying threshold is the lowest in the state, and you receive $200 in bonus bets regardless of whether your first wager wins or loses.

Are first-bet safety nets actually worth it?

They are if you plan to wager near the cap on a single high-confidence bet. If you lose, you get the stake back as bonus bets. If you win, you keep the cash profit. The downside: bonus bets aren't cash; only winnings clear to withdrawable balance.

Can I claim more than one welcome bonus?

Yes, but one per operator. You can claim DraftKings, FanDuel, BetMGM, Caesars and others; one welcome offer per person per sportsbook. This is the fastest way to maximize new-bettor value in Colorado.

Must be 21+ and physically located in Colorado. Gambling problem? Call 1-800-GAMBLER or the Colorado Crisis Services line at 1-800-522-4700.