Polymarket Offers $20 Sign-Up Bonus for NFL Preseason Betting
Polymarket is offering a $20 sign-up bonus using the invite code "OREGON" for NFL preseason games, including the Raiders vs. Texans and 49ers vs. Chargers matchups.

Portland, OR, August 20, 2026 —
Polymarket, a prediction market platform, is currently offering a promotional sign-up bonus of $20 to new users. The offer is accessible by utilizing the invite code “OREGON” when registering on the platform.
This bonus is specifically tied to the upcoming National Football League (NFL) preseason games. Among the highlighted matchups available for betting on Polymarket are the contest between the Las Vegas Raiders and the Houston Texans, as well as the game featuring the San Francisco 49ers against the Los Angeles Chargers.
The platform allows users to bet on the outcomes of various events, including sporting matches. The $20 sign-up bonus aims to incentivize new users to engage with the platform during the NFL preseason period. Further details regarding the terms and conditions of the bonus offer were not immediately available.
Story summarized from the original created by David Fernandez on www.oregonlive.com, see more information here.