The Kalshi promo code ACTION is the best Open Championship final round promo available right now. With Sunday's closing round at Royal Birkdale set to begin from the first tee times this morning, new users who sign up and place a $10 opening trade receive a $15 bonus, applicable to the Open Championship winner contract or any other active market on the platform.
Action Network has reviewed every prediction market welcome offer available for today's final major, and the Kalshi promo code ACTION stands out as the top bonus for new users who want to trade the Claret Jug before the first group tees off at Royal Birkdale this morning.
Sunday is the day the Claret Jug is awarded. The 154th Open Championship concludes at Royal Birkdale Golf Club in Southport, England, with final round tee times underway from early Sunday morning. Action Network's prediction market experts recommend claiming the Kalshi promo code ACTION now, loading your $15 bonus, and trading the outright winner market before your pick tees off.
Kalshi Promo Code ACTION Summary
| Offer | Details |
|---|---|
| Kalshi Promo Code | ACTION |
| Welcome Offer | Trade $10, Get $15 Bonus |
| Minimum Opening Trade | $10 |
| Rollover Requirement | None |
| Minimum Age | 18+ |
| Eligible States | Everywhere Except AZ, IL, MA, MD, MI, MT, NV, or OH |
How Does the Kalshi Promo Code ACTION Work?
According to Action Network's experts, the Kalshi promo code ACTION is one of the cleanest welcome offers available on any prediction market platform right now. Kalshi requires you to place a $10 trade. Win or lose, your $15 bonus credits hit your account once that opening trade is submitted.
Action Network's team tracks Kalshi contract prices alongside traditional sportsbook lines, and on major championship Sundays the platform consistently offers some of the most liquid and accurate PGA odds available to U.S. traders.
That makes today (with the Claret Jug on the line and final round leaderboard prices moving in real time from the first tee shot) one of the best moments of the entire golf season to put one of the best prediction market promos in the Kalshi promo code ACTION $15 bonus to work.
Sunday Final Round: Open Championship at Royal Birkdale
- When: Sunday, July 19 |
- Where: Royal Birkdale Golf Club, Southport, England |
- TV: USA Network, Peacock (early), NBC (afternoon) |
- Purse: $17,750,000
Today's final round at Royal Birkdale closes out the last major of the 2026 season with the Claret Jug on the line. Defending champion Scottie Scheffler, Rory McIlroy chasing a first Brit win since his own 2014 Open, Collin Morikawa, and a full leaderboard of contenders will all be in play by the time the final groups tee off.
Sunday's conditions are forecast to be partly sunny with winds of 10-15 mph, typical links weather that will reward precision and course management over power on a Royal Birkdale layout featuring over 100 bunkers and firm, fiery turf throughout.
Action Network's Pick: Use Your Kalshi Promo Code ACTION Bonus on the Open Championship Winner
Action Network's golf experts have tracked the Open Championship leaderboard all week at Royal Birkdale. Before placing your Kalshi promo code ACTION trade on the outright winner, read the Action Network full Open Championship picks and expert best bets for the complete six-expert analysis and Sunday model projections.
Use your Kalshi promo code ACTION $15 bonus on whatever market you like ahead of Sunday's final round on one of the best prediction market apps. Continue to check Action Network's full expert breakdown for any last-minute leaderboard and model updates before you trade.
How to Claim the Kalshi Referral Code ACTION Before the First Tee Times
- Visit Kalshi: Go to Kalshi.com or download the app on iPhone or Android.
- Create your account: Register with your email address and complete the signup flow.
- Enter the Kalshi referral code ACTION: Type ACTION when prompted.
- Verify your identity: Submit your personal details to complete account verification.
- Place your $10 trade: Open the Open Championship winner contract or any other active market and place your opening trade before your pick tees off in the final round at Royal Birkdale.
- Collect your $15 bonus: Your bonus credits post to your account once the opening trade is placed.
Tip: Understand your potential earnings more clearly by employing the Action Network prediction market odds calculator.
Must be 18 years or older and have a legal, U.S. residential address within the applicable state, D.C., or U.S. territories. Not available in AZ, IL, MA, MD, MI, MT, NV, and OH.


