Polymarket Invite Code COVERS: Get $20 Bonus for Cardinals vs. Tigers Sunday Night Baseball

New users can claim a $20 bonus by entering promo code COVERS when signing up for the Polymarket prediction market app.

Apr. 5, 2026 at 8:45pm

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Covers.com is offering a special Polymarket promo code COVERS that gives new users a $20 bonus when they sign up and make a $20 deposit. This offer is available for the upcoming Sunday Night Baseball matchup between the Detroit Tigers and St. Louis Cardinals. The bonus funds can be used to trade on the game's outcome and other prediction markets through the Polymarket mobile app.

Why it matters

Polymarket is one of the leading prediction market platforms available to US users, allowing them to trade on a wide range of events and outcomes. This special promo code offer provides new users with a $20 bonus to get started trading on the Tigers vs. Cardinals game and other markets, which could be a lucrative opportunity for sports fans and prediction market enthusiasts.

The details

To claim the $20 Polymarket bonus, new users need to download the mobile app, sign up, and enter the promo code COVERS during registration. After making a $20 deposit, the bonus funds will be automatically credited to their account. The bonus has a 1x playthrough requirement, meaning users must wager the $20 once before being able to withdraw any winnings. The bonus expires within 30 days of activation.

  • The Tigers vs. Cardinals Sunday Night Baseball game takes place on April 5, 2026.
  • The Polymarket promo code COVERS is available starting today, April 5, 2026.

The players

Detroit Tigers

A Major League Baseball team based in Detroit, Michigan.

St. Louis Cardinals

A Major League Baseball team based in St. Louis, Missouri.

Polymarket

A leading prediction market platform that allows users to trade on a wide range of events and outcomes.

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What’s next

The judge in the case will decide on Tuesday whether or not to allow Walker Reed Quinn out on bail.

The takeaway

This Polymarket promo code offer provides a great opportunity for new users to get started with prediction market trading, especially for the upcoming Tigers vs. Cardinals Sunday Night Baseball game. The $20 bonus can help users explore the platform and potentially profit from their sports knowledge and market insights.