Our Underdog promo code ALARM guarantees all new users $50 in bonus cash with just a $5 entry, win or lose.

Whether you’ve got your hometown team in the NCAA Tournament, are rooting for your alma mater or otherwise, it’s time to add to the most jam-packed four-day stretch of the sports calendar. We can do just that by joining Underdog today.

Their fantasy contests provide us with awesome value every day whether a huge tourney is going on or not, so today’s Underdog promo code bonus is just icing on the cake. We’d wager that you’d agree since it’s a new welcome offer that provides all new members with a GUARANTEED 10x boost to their account!

Learn all about it, DAILY Gimme Picks, where Underdog is legal and more below or just ➡️ sign up here ⬅️ using our exclusive Underdog promo code ALARM to dive right in!

Underdog Promo CodeALARM
Underdog Welcome OfferPlay $5, Get $50 in Bonuses 🔥
No-Deposit BonusGimme Pick Sign-Up Bonus
Underdog Bonus Last VerifiedDate of article publication (March 19th, 2026)
Claim OfferClick Here to Join Underdog


 

💲 Underdog Promo Code ALARM Scores New & GUARANTEED 10x Welcome Bonus

There’s no question that all eyes will be on March Madness for this long weekend, but that certainly doesn’t mean that it’s all that Underdog has to offer. They’ve got us covered across the board from more basketball in the NBA to the ice with the NHL, and it’s all covered when it comes to today’s Underdog promo code bonus.

No matter what you end up targeting, just be sure that when you submit your first fantasy entry, it’s for $5 or more. That way, even if it isn’t a winner, you’ll be rewarded with $50 worth of bonus cash! Therefore, your account gets a 10x boost no matter what alongside March Madness when you activate our Underdog promo code ALARM through this link 🔗 today!
 

 

 

🔓 Does Underdog Require A Promo Code? How To Use Our Underdog Promo Code ALARM

We know that you want to get back to analyzing your brackets, so here’s how to score your play-and-get bonus in no time:

  1. Join here 👈🏼 for a new Underdog account
  2. Enter our Underdog promo code ALARM
  3. Submit your first contest entry for $5 or more

That’s just a few moments of your time to GUARANTEE yourself $50 in bonus cash, not to mention your normal winnings on top of that if it hits!

🏅 What Are Underdog’s Best Features?

Our favorite feature was briefly mentioned at the start, which is the ability to enjoy DAILY Gimme Picks. These beyond-free picks have player projections discounted to 0.0, or in other words, guaranteed winners as a piece of a lineup! Add to those and your Underdog promo code bonus with more of Underdog’s best features:

  • Lucrative contest types (home of Best Ball Mania)
  • Quick and easy payouts
  • Wide variety of sports to target
  • Live news feed to stay informed
  • Sleek mobile app for easy navigation

No matter what it is that you find that you love most, make it more valuable with a GUARANTEED 10x welcome bonus by 🎯 clicking here 🎯 to unlock our Underdog promo code ALARM!
 

 

 

❓ Where Is Underdog Legal?

Alongside those daily Gimme Picks, we also mentioned sharing where Underdog is legal. This is perhaps the best news of all, as almost the entire nation can claim this Underdog promo code offer! After all, with March Madness provided fan bases from all over with a reason to get involved, they pair perfectly with one another. You can see where Underdog is legal below:

  • AL, AK, AZ, AR, CA, CO, FL, GA, IL, IN, KS, KY, MD, MA, MI, MN, MS, MO, NE, NH, NJ, NM, NY, NC, ND, OH, OK, OR, PA, RI, SC, SD, TN, TX, UT, VT, VA, WV, WI and WY

🎯 Target More Than March Madness After Activating Our Underdog Promo Code ALARM

While this Underdog promo code bonus and the NCAA Tournament truly do go perfectly together, start enjoying anything that you love watching:

Check out more than just those popular sporting events by registering right now ⏰ using our exclusive Underdog promo code ALARM for an instant 10x boost to your account!