The Claret Jug is up for grabs at Royal Birkdale, and Saturday's third round is where the 154th Open Championship starts to take shape. Moving Day at Southport sorts the pretenders from the contenders, and it also happens to be the perfect window to put the best Open Championship prediction market promos to work.
Before the leaders tee off, new traders can lock in welcome offers from Polymarket, Kalshi, FanDuel Predicts, ProphetX, and Novig. Stacked together, these Open Championship prediction market promos add up to roughly $165 in combined trading value. These funds can be deployed on outright winner contracts, top-finish markets, head-to-head matchups, and live round-three scoring outcomes as the leaderboard shifts through the afternoon.
Below is a rundown of every golf promo worth claiming this weekend, plus how each one works, what the fine print actually says, and how prediction market apps differ from the sportsbook you may be used to.
| Open Championship Prediction Market Apps | Open Championship Prediction Market Promos | Sign-Up Link |
|---|---|---|
| Polymarket | Deposit $20, Get $50 Trading Bonus | ACTION |
| FanDuel Predicts | Make Any Trade & Get $25 in Predicts Bonus | Click Here |
| Kalshi | Trade $10, Get $15 | ACTION |
| Novig | Spend $25, Get $50 in Novig Coins | ACTION |
| ProphetX | Trade $10, Get $20 | TANBONUS |
What Are the Best Open Championship Prediction Market Promos?
See how each of the Open Championship prediction market promos function throughout this article. Click any of the modules or links to sign up and place your first prediction on PGA odds from The Open Championship.
Polymarket: Deposit $20, Get $50 in Trading Bonus
The Polymarket promo code ACTION carries the most generous headline number of the group. New users who register, clear identity verification, and make an opening deposit of at least $20 receive $50 in bonus trading funds, typically credited within a day of that first real-money deposit.
The appeal here isn't just the size of the bonus, it's the flexibility. Polymarket attaches no market-type restriction, so the credit can go toward the Open winner market, a top-10 contract, or any other event on the board. Polymarket now runs a CFTC-regulated U.S. entity for domestic traders through its acquisition of a designated contract market, putting it on federal footing alongside its competitors.
For Saturday, that $50 is enough to easily qualify as one of the top Open Championship prediction market promos to redeem.
| Polymarket Referral Code | States Available | Polymarket Promo Code |
|---|---|---|
| Deposit $20, Get $50 Trading Bonus | AK, AL, AR, CA, CO, CT, DC, DE, FL, GA, HI, IA, ID, IN, KS, KY, LA, ME, MN, MO, MS, NC, ND, NE, NH, NJ, NM, NY, OK, OR, PA, RI, SC, SD, TN, TX, UT, VA, VT, WA, WI, WV, WY | ACTION |
FanDuel Predicts: Make Any Trade, Get $25
Our Action Network FanDuel Predicts promo code strips the requirement down to a single action. There's no code to remember, just sign up through an eligible link, place any qualifying trade, and $25 in Predicts Bonus lands in your account.
Born from a partnership between FanDuel and CME Group, the platform has rolled out to all 50 states, though specific markets are restricted in some of them.
Two things to keep in mind: with one of the best Open Championship prediction market promos: the $25 is promotional trading credit rather than withdrawable cash, and it expires seven days after it hits your account. In other words, this is a use-it-this-weekend offer, which lines up neatly with a major reaching its business end.
| FanDuel Predicts Sign-Up Bonus | States Available | FanDuel Predicts Promo Code |
|---|---|---|
| Make Any Trade & Get $25 in Predicts Bonus | AK, AL, CA, DE, FL, GA, HI, ID, MN, ND, NE, NM, OK, RI, SC, SD, TX, UT | Click Here |
Kalshi: Trade $10, Get $15 in Bonuses
The Kalshi promo codeACTION keeps its entry point about as low as it gets. Make a $10 deposit and complete roughly $10 in trading volume, and the platform credits your $15 bonus automatically. Because the qualifying threshold is small, this is one of the easiest offers on the list to actually complete before the leaders reach the turn.
Kalshi operates as a federally regulated exchange overseen by the Commodity Futures Trading Commission, with a USD-first banking experience that feels closer to a brokerage than a crypto wallet, which is a big reason it tends to suit newcomers.
One housekeeping note: you'll need to supply a government-issued ID and Social Security number before withdrawing, so handle verification early rather than mid-round to maximize one of the premiere Open Championship prediction market promos.
| Kalshi Referral Code | States Available | Kalshi Promo Code |
|---|---|---|
| Trade $10, Get $15 | AK, AL, AR, CA, CO, CT, DC, DE, FL, GA, HI, IA, ID, IN, KS, KY, LA, ME, MN, MO, MS, NC, ND, NE, NH, NJ, NM, NY, OK, OR, PA, RI, SC, SD, TN, TX, UT, VA, VT, WA, WI, WV, WY | ACTION |
Novig: $50 in Novig Coins After a $25 Purchase
Novig is a unique entry to the list, as they have a sweepstakes-style structure built around two virtual currencies: Novig Coins for free-to-play picks and Novig Cash for entries redeemable for prizes. A qualifying $25 purchase unlocks $50 in Novig Coins for new users when you sign up with our verified Novig promo code ACTION.
The catch is availability. Novig requires users to be 21 or older and is unavailable in a long list of states, so check the eligibility rules before you sign up. If you're in an approved state, Novig is one of the best Open Championship prediction market promos to claim and add a low-cost way to trade golf value over the weekend.
| Novig Bonus Code | States Available | Novig Promo Code |
|---|---|---|
| Spend $25, Get $50 in Novig Coins | AK, AR, FL, GA, HI, IL, IN, IA, KS, KY, ME, MA, MN, MO, NE, NH, NC, ND, OH, OK, OR, SC, SD, TX, VT, VA, DC, WI, WY | ACTION |
ProphetX: Trade $10, Get $20 in Prophet Cash
Finally, the ProphetX promo code TANBONUS mirrors Kalshi's low bar with a slightly better payout ratio. Register, fund your account, and complete a qualifying trade of $10 or more, and $20 in bonus Prophet Cash follows once the requirement clears.
The platform has shifted toward a traditional CFTC-style framework, and its promos have followed suit, trading the old sweepstakes structure for cleaner mechanics.
That $20 is bonus credit meant to be traded rather than cashed out directly, but any profit from a winning bonus-funded position becomes withdrawable. This the same principle that governs most of the Open Championship prediction market promos on this page.
| ProphetX Referral Code | States Available | ProphetX Promo Code |
|---|---|---|
| Trade $10, Get $20 | AL, AK, AZ, AR, CA, CO, CT, DE, FL, GA, HI, ID, IL, IN, IA, KS, KY, LA, ME, MD, MA, MI, MN, MS, MO, MT, NE, NH, NJ, NM, NY, NC, ND, OH, OK, OR, PA, RI, SC, SD, TN, TX, UT, VT, VA, WA, WV, WI, WY | TANBONUS |
How Open Championship Prediction Market Apps Differ From Sportsbooks
If you've only ever placed wagers at a traditional book, prediction markets work differently. Instead of an operator setting the price and taking the other side, traders buy and sell contracts against one another, and the price of a "Yes" or "No" contract reflects the crowd's implied probability of an outcome. A contract trading at $0.40 roughly implies a 40% chance of the event happening; if it resolves in your favor, each contract settles at $1.
All the major platforms above (Kalshi, Polymarket, FanDuel Predicts, Novig and ProphetX) operate as CFTC-regulated designated contract markets, which places them under federal oversight rather than state gambling regulators. That structure is also why several of them are live in states where online sportsbooks are not.
The practical upside for a golf week: because prices move in real time as contracts trade, you can react to the leaderboard the same way you'd react to a live line, entering a position when a contender makes a Saturday charge or exiting one before a shaky closing stretch.
What You Can Trade During the Third Round of Open Championship
By Saturday the cut is in, the field is trimmed, and the markets sharpen accordingly. Expect contracts across:
- Outright winner — the headline Claret Jug market, repriced constantly as scores post.
- Top-5, top-10, and top-20 finishes — softer landing spots for a contender you like who may not close the deal.
- Player matchups — head-to-head contracts pairing two golfers for the round or the tournament.
- Round-three scoring — over/under-style contracts on an individual player's Saturday number.
- Nationality and storyline markets — for example, whether a home favorite finishes on top.
