New players can use Polymarket promo code STIFFS and get a $50 World Cup bonus after making an initial deposit of at least $20. Click here to start the registration process.

This promotion is perfectly timed for fans looking to participate in the prediction markets for the exciting Round of 32 matchup between Portugal and Croatia, and the bonus funds can also be applied to any other World Cup match this week as the knockout phase continues. Don’t miss out on the chance to hit the ground running with this Polymarket promo.

Polymarket Promo Code STIFFS Unlocks $50 Bonus

Before making your predictions for the upcoming Portugal vs. Croatia match, review the full details of the welcome offer below:

Polymarket Promo CodeSTIFFS
New User Offer$50 sign-up bonus
Terms and Conditions18+ and Present in the US
Bonus Last Verified OnJuly 2, 2026

Exclusively available for new Polymarket customers, this promotion provides a $50 sign-up bonus just in time for the latest World Cup fixtures. Whether you are backing Portugal or forecasting a deep tournament run for Croatia, this welcome offer serves as a practical way to build your initial portfolio before the match begins.

To successfully unlock the $50 bonus, simply register your new account and complete an initial deposit of at least $20. Keep in mind that users must be 18 or older and physically present in an eligible Polymarket state to claim this reward. Once your initial deposit requirement is met, your bonus funds will be ready to use on the Portugal vs. Croatia matchup or any other available prediction market on the platform.

Portugal vs. Croatia Preview

Will Cristiano Ronaldo be able to lead Portugal past Croatia in the Round of 32? Between Ronaldo and Croatia’s Luka Modric, two all-time legends will be on the field for this match. Although Portugal is the heavy favorite entering this match, they have been up and down so far in the World Cup. Ronaldo’s only two goals came against Uzbekistan. He’s still looking for his first goal ever in the World Cup knockout stage

Below are the current pre-match probabilities for the Round of 32 clash on Polymarket (probabilities are subject to change before kickoff):

OutcomeProbability (%)
Portugal59%
Croatia17%
Draw25%

How to Activate Polymarket Promo Code STIFFS

Claiming your welcome bonus before the match begins is a straightforward process. Follow these structured steps to secure your $50 bonus ahead of the Portugal vs. Croatia match:

  1. Create an Account: Start the registration process by entering standard personal information to set up your new profile.
  2. Verify Your Identity: Provide valid proof of identification to securely verify your account details.
  3. Enter the Promo Code: When prompted during registration, enter the Polymarket promo code STIFFS to ensure you are opted into the welcome offer.
  4. Make a Deposit: Complete a first-time deposit of at least $20 into your new account.

Once your initial deposit clears, your $50 bonus will be activated and ready to use on the Round of 32 clash between Portugal and Croatia, or any other available World Cup prediction market.