Game 3 of the Eastern Conference Finals between the New York Knicks and Cleveland Cavaliers is set for Saturday, May 23, 2026 at Rocket Arena at 8 p.m. ET on ESPN. Before you trade on the NBA Playoffs on Saturday, read about the best prediction market apps for Knicks vs. Cavs and their sign-up bonuses for NBA markets below.
We lay out welcome offers from the best prediction markets in 2026, including Polymarket, Kalshi, Novig, and ProphetX. In total, these welcome offers provide $210 in bonus value to trade immediately on Knicks vs. Cavs Game 3 or any markets on the platform.
Click the sign-up modules below to register for the best prediction market apps for Knicks vs. Cavs ahead of tip-off at 8 p.m. ET.
Best Prediction Market Apps for Knicks vs. Cavs on Saturday
| Prediction Market Apps | Promo Code |
|---|---|
| Polymarket – Deposit $20 to get a $50 bonus | ACTION |
| Kalshi – Trade $10, Get a $10 Bonus | ACTION |
| Novig – Spend $5, Get $50 in Novig Coins | ACTION |
| ProphetX – Get a 20% Purchase Match, up to $100 in Bonus Funds | ACTION |
Top Prediction Market Welcome Bonuses to Trade on Eastern Conference Finals Game 3
Claim one sign-up offer from each prediction market below for $210 from the best prediction market apps for Knicks vs. Cavs on Saturday at 8 p.m. ET.
Polymarket is the Best Prediction Market App for Knicks-Cavs Game 3
If you are not in a sports betting state and looking to stack bonus from the best prediction market apps, use Polymarket referral code ACTION. This Polymarket promo code unlocks a $50 bonus with your first deposit of $20 or more.
Trade on Knicks vs. Cavs with Latest Verified Kalshi Promo Code (May 2026)
As one of the best prediction market apps for Knicks vs. Cavs, Kalshi provides a new user offer with Kalshi promo code ACTION. Create a new Kalshi account and make a $10 first trade for a $10 bonus to use on different NBA markets this weekend.
Novig Promo Code ACTION Provides $50 in Coins for Knicks-Cavs Tonight
Continuing on the list of best prediction market apps for Knicks vs. Cavs today, Novig is a sweepstakes-format platform that operates in Novig Cash and Novig Coins currency. Right now, use Novig promo code ACTION and spend $5 to get $50 in Novig Coins.
Does ProphetX Have a Deposit Bonus for NBA Markets?
Finally, we round out the list of best prediction market apps with ProphetX. Just in time for the Saturday NBA Playoffs, use ProphetX promo code ACTION to get a 20% match on your first purchase, up to $100 in bonus funds when you spend $500 or more.
