Polymarket Invite Code COVERS: Skip the Line and Claim $20 for NBA, MLB, NCAA Predictions Markets

Peter Clarke - Senior Editor at Covers.com
Peter Clarke • Senior Editor 16+ years betting experience
Updated: Mar 30, 2026 , 12:40 PM ET • 4 min read

Get the Polymarket promo code COVERS bonus for MLB, NBA, NHL and NCAAB action. Claim your $20 welcome offer with the required deposit today.

Get A $20 Bonus With Our Polymarket Promo Code.
Photo By - Get A $20 Bonus With Our Polymarket Promo Code.

With opening week energy continuing across MLB and playoff races heating up in the NBA and NHL, plus March Madness reaching its final stages, Monday, March 30, presents prime opportunities to engage with prediction markets. The Polymarket promo code COVERS unlocks a $20 welcome bonus for new users looking to trade on these exciting matchups across multiple sports. Unlike traditional sportsbooks, Polymarket operates as one of the best prediction market apps where you can trade on outcomes rather than place traditional wagers.

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Get $20 With Code COVERS

Polymarket Promo Code Details for $20 Welcome Bonus

The Polymarket promo code COVERS provides new users with a $20 bonus after making an initial deposit of $20. This prediction market platform differs from traditional sportsbooks by allowing users to trade on event outcomes, including today's slate of MLB games, where teams are still sorting out rotations; NBA contests with playoff implications; NHL matchups featuring tight checking; and college basketball's tournament action. To activate this offer, you must register with the code COVERS and provide valid identification, including a driver's license or passport photo, along with a verification selfie.

Key terms include availability in all states except Nevada, a requirement of physical presence at an eligible location during registration, and a mandatory $20 deposit to unlock the bonus. For example, if you trade on whether the Blue Jays will win their home game today and your position increases in value, you can sell for a profit. Conversely, if the market moves against your position, you could face a loss on your trade. The platform covers diverse markets beyond sports, including politics, entertainment, and economics, setting it apart from competitors. For those exploring various options, comparing the best prediction market promos can help identify the most suitable welcome offers.


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Use the correct Polymarket promo code for your state

  Promo Code Eligible States
  COVERS All states + DC, excluding NV

How to Claim Your Polymarket Welcome Offer

Claiming your Polymarket bonus requires completing a straightforward registration and deposit process:

  1. Navigate to Polymarket's sign-up page and enter promo code COVERS during registration
  2. Complete the account verification process by providing personal information and uploading required identification documents
  3. Make your initial deposit of $20 using your preferred payment method to activate the welcome bonus
  4. Begin trading on today's MLB, NBA, NHL, or college basketball markets with your bonus funds

Affiliate Disclosure: Our team of experts has thoroughly researched and handpicked each product that appears on our website. We may receive compensation if you sign up through our links.

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Peter Clarke - Covers
Senior Editor

Peter Clarke is dedicated to keeping bettors informed about the biggest sports betting events, such as the Super Bowl and March Madness, and the best way to cash in on sportsbook promos. He's also always on top of the latest welcome offers from the biggest sportsbooks, so he can share the best deals and the most exciting games to use them on every day.

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