It’s hard to believe that we’re already about to fully dive into the 2025 NBA conference finals, but here we are. Even if your favorite team isn’t within the final four, the start of new series in the postseason is the perfect time to join Underdog.

That’s thanks to their amazing Extender promo, and before even using that one, we have an Underdog promo code bonus for all new users to grab. It values up to $1,000 AND the bonus cash from it is guaranteed, so it’s a no-brainer to claim yours today.

Discover how to do just that by reading on or by simply clicking here to activate our exclusive Underdog promo code ALARM!

 

 

 

Underdog Promo Code ALARM Unlocks Guaranteed Bonus Cash Up To $1,000

The Extender promo for the NBA playoffs truly is perfect with the conference finals to enjoy, but for you to make it as valuable as possible, let’s break down your welcome bonus first. After all, the aforementioned $1,000 in bonus cash up for grabs from today’s Underdog promo code bonus will have you wanting to start there anyway.

Speaking of starting, all that it takes from you is a standard start - an initial deposit. Choose a method that works for you, and make it for $10+ and up to $2,000. That way, you’ll automatically receive 50% of the value in bonus cash! It truly is that easy when you become a new member with our Underdog promo code ALARM.

 

 

 

Underdog Promo Code Bonus: The Extender Promo

You’ll be locked and loaded to use that bonus cash however you’d like, but one way is certainly going to be the Extender promo. As the name suggests, you’ll be wanting each series remaining to go as long as possible. That’s thanks to the boost tokens awarded for each passing game.

One will be available to you for each game of each series, and they increase as the series extends. So, by the time a Game 7 rolls around, they will provide a 100% boost! Those, along with free player picks on a daily basis, are just even more reasons to activate our Underdog promo code ALARM - use this link to do just that!

 

 

 

How To Use Our Underdog Promo Code ALARM

With so much to take advantage of, we’ve shared how to claim your 50% deposit offer in just a few moments:

  1. Join here for a new Underdog account
  2. Enter our Underdog promo code ALARM
  3. Make your initial deposit for $10+ and up to $2,000
  4. Receive 50% of the amount in bonus funds guaranteed

As previously stated, you can use that bonus cash however you’d like, not just on the new Extender promo.

 

 

 

Where Can I Play Underdog?

So much available to you also makes it no surprise that Underdog is, and continues to be, the premier fantasy platform. Millions of sports fans would agree, and that has led to wide availability. Underdog is legal in all states EXCEPT for:

  • CT, DE, HI, ID, IA, LA, MI, MT and NV

 

 

 

What Fantasy Contests Does Underdog Offer?

To help you decide where else you’d like to use your guaranteed bonus cash, here are some of Underdog’s most popular contests:

  • NEW: The Extender for the NBA playoffs!
  • Best Ball Mania
  • The Little Scramble
  • The Dance (NBA playoff specific)
  • Daily Fantasy Contests
  • The Big Board
  • Weekly Winners

That’s just a quick list of the most famous - explore the entire platform after creating your new account with our exclusive Underdog promo code ALARM!

 

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