Polymarket Promo Code COVERS: Get $20 Bonus for Cavaliers vs. Pistons, NBA Prediction Markets Today

Luc LeBlanc - Betting Editor at Covers.com
Luc LeBlanc • Content Editor 3+ years betting experience
Updated: May 13, 2026 , 05:40 PM ET • 4 min read

Use Polymarket promo code COVERS for a $20 bonus and trade on Cavaliers vs. Pistons Game 5. New users only.

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

With Cavaliers vs. Pistons Game 5 tipping off Wednesday night in Detroit, there has never been a better time to join one of the best prediction market apps available. Enter Polymarket promo code COVERS when you sign up to claim a $20 trading bonus -- just deposit $20 to unlock the reward.

As of May 13, new users in most U.S. states can take advantage of this welcome offer and start trading on the pivotal Eastern Conference semifinals matchup tonight.

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Get $20 With Code COVERS

Polymarket Promo Code Offer: Deposit $20, Get $20 for Cavaliers vs. Pistons Game 5

The Polymarket promo code offer is straightforward: deposit $20 into your new account and receive a $20 trading bonus in return. This is a mobile-exclusive offer, so desktop users who follow the link will be directed to a waitlist instead. The Polymarket U.S. app is rolling out to users who signed up for early access, making now the right time to get in.

With Game 5 between Cleveland and Detroit on the line, you could use your bonus funds to trade on which team advances. If you trade on the Cavaliers to win the series and Cleveland closes it out behind another dominant Donovan Mitchell performance, your position resolves in your favor. If Detroit reclaims home-court advantage and the series swings back, your trade would not resolve as a winner -- but the bonus gives you extra funds to work with as the series plays out.

Here are the key terms to keep in mind before claiming:

  • New users only; must meet legal age requirements and reside in an eligible jurisdiction
  • Minimum deposit of $20 required to unlock the bonus
  • A qualifying trade must be placed before bonus funds are credited
  • Wagering requirements apply; a 1x playthrough on the bonus amount is a common example
  • Bonus funds may be restricted to certain markets; review terms carefully
  • Bonus funds typically expire within seven to 30 days of being credited

Enter promo code COVERS at registration to make sure the bonus is applied to your account. For a full breakdown of what is available across the industry, check out the best prediction market promos compared in one place.


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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 $20 Polymarket Bonus Before Game 5

Getting started on Polymarket takes just a few minutes. Follow these steps to claim your welcome bonus and start trading ahead of Wednesday night's game:

  1. Register: Visit the Polymarket app through our link and click the Sign Up button. Enter promo code COVERS during registration to unlock the $20 bonus. You can sign up using a Google account, any email address, or by linking a crypto wallet such as MetaMask, Trust Wallet, or Phantom. You will need to provide basic personal information including your date of birth, phone number, and location to complete verification.
  2. Deposit funds: Click the deposit button, select your preferred payment method, and confirm a minimum deposit of $20. This step is required to activate the welcome bonus.
  3. Start trading: Browse available markets, including NBA playoff outcomes, and select your position on Cavaliers vs. Pistons or any other event that interests you. Choose your outcome, enter your trade amount, and confirm the transaction. You can monitor your position and cash out at any time before the market resolves.
  4. Withdraw earnings: When you are ready to withdraw, click Portfolio, select Withdraw, choose your preferred crypto withdrawal method, enter the amount, and confirm with your wallet address.

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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Luc LeBlanc
Content Editor

Luc has been passionate about sports since he was a child, playing competitive hockey and staying closely tuned to professional leagues. Today, he brings that same energy to his work as a Content Editor, covering NHL games, player props, and betting trends with a sharp, analytical eye.

Since 2023, Luc has been writing picks and analysis for various publications, helping readers discover value in several major sports. While hockey is his specialty, he also closely follows tennis, keeping up with both the ATP and WTA Tours.

A graduate of Saint Mary’s University (BSc, Geography, 2025), Luc approaches sports betting the way he approaches maps and statistics by looking for patterns, trends, and angles that give him an edge. He focuses on research-backed and well-informed picks, spotting correlations, and finding the best opportunities in player props and game markets.

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