Polymarket Invite Code COVERS: Get a $20 Prediction Market Bonus for NBA, MLB, NHL and the Masters

Peter Clarke - Senior Editor at Covers.com
Peter Clarke • Senior Editor 16+ years betting experience
Updated: Apr 7, 2026 , 05:40 PM ET • 4 min read

Get a Polymarket invite code for a $20 bonus on MLB, NBA, NHL, and Masters predictions. Enter code COVERS to unlock the trading bonus today.

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

Tuesday's action-packed sports slate, featuring Polymarket invite code opportunities, spans from NBA playoff positioning battles to NHL postseason pushes and MLB's emerging storylines. New users can claim a $20 bonus by entering promo code COVERS when registering on one of the best prediction market apps. This Tuesday, April 7 welcome offer provides the perfect opportunity to trade on high-stakes matchups like Bucks-Nets, Kings-Warriors, and intense NHL battles while the Masters continues at Augusta National.

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Get $20 With Code COVERS

Polymarket Invite Code: $20 Trading Bonus Details

The Polymarket promo code COVERS unlocks a $20 deposit match bonus for new users in most U.S. states. This prediction market platform requires a minimum $20 deposit to activate the welcome offer, making it a straightforward 100% match promotion. Unlike traditional sportsbooks, Polymarket focuses on predicting event outcomes across sports, politics, and entertainment markets.

For Tuesday's sports action, you could trade on whether the Lakers will defeat the Thunder or if the Heat will secure a crucial road win against the Raptors. If you deposit $20 and bet on the Lakers to win, your potential outcomes depend on the market odds. Should the Lakers win and your position appreciates from $10 to $15, you'd profit $5 plus retain your bonus funds. Conversely, if the Thunder prevails and your Lakers position drops to $3, you'd lose $7 but still maintain your $20 bonus for future trades.

Key terms include a 1x wagering requirement on bonus funds, meaning you must trade the full $20 bonus amount once before becoming eligible for withdrawal. Bonus funds typically expire within 30 days of activation, and the offer applies only to mobile app users. Desktop users joining the platform will be placed on a waitlist for future access. Compare this offer with other best prediction market promos to maximize your trading potential.


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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 Trading Bonus

Claiming your Polymarket welcome bonus takes just minutes with these simple steps:

  1. Download the Polymarket mobile app and click "Sign Up" to begin registration
  2. Enter promo code COVERS during the account creation process
  3. Complete identity verification by providing your email, phone number, and personal details
  4. Make your first deposit of at least $20 using your preferred payment method
  5. Start trading on Tuesday's NBA, NHL, or MLB markets to activate your $20 bonus

Once registered, you can immediately begin trading on tonight's compelling matchups, from the Mavericks-Clippers Western Conference battle to crucial Eastern Conference positioning games. Your bonus funds will be credited after completing your first qualifying trade, giving you additional capital to explore Polymarket's diverse prediction markets.


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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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