Prediction market promos are drawing attention ahead of Sunday Night Football between the Cowboys and Giants on Sunday, September 13. Fans can download one of the best prediction market apps and complete a quick registration and deposit process to unlock a welcome offer.
Below, eight platforms detail their sign-up bonuses and how to claim them before kickoff.
Our best prediction market promos
| Top 8 Prediction Markets | Welcome Offers | Claim Now |
|---|---|---|
| $35 Trading Bonus | Claim $35 with code 'COVERS35' | |
| Deposit $10, Get $50 Bonus | Claim $50 with code "COVERS" | |
| Trade $50, Earn $75 | Claim $75 with code "COVERS" | |
| Deposit $10, Get $25 | Claim $25 with code "COVERS" | |
| Trade $25, Get $25 Bonus | Claim $25 | |
| 50% Deposit Match up to $1,000 | Claim $1,000 with code "COVERS" | |
| Unlock $50 Bonus | Claim $50 |

Prediction Market Promos for Cowboys vs. Giants
As the Cowboys and Giants meet for Sunday Night Football on Sunday, September 13, new users can compare some of the best predictions promos across eight platforms, including Kalshi, Polymarket, ProphetX, Novig, OG.com, Underdog, Crypto.com and DraftKings Predictions.
No. 1: Kalshi
Certain limitations apply. The offer is available to new users only, subject to the terms and conditions specified by Kalshi. 18+ only. Restrictions and eligibility requirements apply. Event contract trading involves significant risk and is not appropriate for everyone. Please carefully consider if it is appropriate for you in light of your personal financial circumstances. Kalshi products are not available in all jurisdictions. See kalshi.com/regulatory for more information.
Kalshi Promo Code
Kalshi is offering eligible new customers a Trade $25, Get $35 sign-up bonus, which is 40% larger than the $25 offered by most competing codes. Enter the Kalshi promo code COVERS35 during registration to unlock this offer, which sits at the top of our best prediction market sites list. Kalshi allows trading on sports, politics, breaking news, economics and pop culture markets.
The offer includes the following terms and conditions:
- Available in all states except Nevada and Washington.
- Users must be physically present in an eligible location.
- New customers may use the promo code or an eligible referral link, but not both.
- Limited to one offer per Kalshi account.
- A government issued ID or passport plus a selfie is required for verification.
- An initial deposit of at least $10 and a $25 transaction on Kalshi's Predictions product are required.
- The $35 bonus is credited once $25 is transacted, regardless of the outcome.
- Bonus credit cannot initially be withdrawn, must be used on the Predictions product and expires seven days after being granted.
How to claim the Kalshi promo code offer:
- Sign up on Kalshi and enter promo code COVERS35 during registration.
- Verify identity with a government issued ID and provide personal details, including date of birth, phone number and Social Security number.
- Deposit at least $10 into the account using an available payment method.
- Transact at least $25 on Kalshi's Predictions product to trigger the $35 bonus.
- Use any awarded bonus credit on the Predictions product, then withdraw eligible cash proceeds through the Transfers section.
No. 2: Polymarket
18+ Only. Restrictions and eligibility requirements apply. Not available in all jurisdictions. Trading is risky. 100% loss can occur. See https://polymarket.com/tos for more information. The Polymarket US App serves as an independent software provider and affiliate of Polymarket US and Polymarket Clearing, the CFTC-regulated exchange and clearing organization.
Polymarket Promo Code
Polymarket is offering a Deposit $10, Get $50 trading bonus for new users. Enter the Polymarket promo code COVERS during registration in most U.S. states to unlock the reward.
The offer includes the following terms and conditions:
- Available in all states except Nevada.
- Users must be physically located in an eligible location.
- Sign up with the Polymarket bonus code COVERS to trigger the offer.
- Proof of ID is required, including a photo of a driver's license or passport along with a selfie holding that ID.
- An initial deposit of $10 is required to unlock the bonus.
How to claim the Polymarket promo code offer:
- Visit the Polymarket US app, select Sign Up, and enter promo code COVERS. Registration can be completed with a Google or Apple ID.
- Provide a username, full name, date of birth and address, then complete identity verification.
- Deposit at least $10 using a debit card, ACH bank transfer or wire transfer.
- Select an event contract, choose an outcome, enter a trade amount and confirm the transaction.
- Withdraw eligible funds once they clear, using the same funding source as the original deposit.
No. 3: ProphetX
Federally regulated. Live nationwide. Trading sports event contracts involves substantial risk of loss and is not appropriate for all investors. Past results are not necessarily indicative of future results. You should consider whether trading is appropriate for you in light of your financial circumstances. ProphetX is a CFTC-regulated designated contract market. Full risk disclosure available at prophetx.co/risk.
ProphetX Promo Code
ProphetX is offering a Trade $50, Earn $75 bonus for new users. Enter the ProphetX promo code COVERS during registration to claim the reward.
The offer includes the following terms and conditions:
- Available in all states plus Washington, D.C., excluding Nevada.
- Users must be physically present in an eligible location.
- Sign up with the ProphetX bonus code COVERS to trigger the offer.
- A government issued ID or passport, along with a selfie holding that ID, is required.
- An initial deposit of $50 or more is required, along with at least $50 in event contract trades.
- The $75 bonus is credited once $50 in trades is completed, regardless of whether those trades win or lose.
- The offer is ongoing.
How to claim the ProphetX promo code offer:
- Launch the ProphetX app or desktop site and select Register, entering promo code COVERS.
- Provide personal information, including full name, date of birth, address, Social Security number and phone number, then verify identity with a driver's license or passport photo.
- Deposit at least $50 through the banking section.
- Place trades totaling at least $50 across available betting markets.
- Receive the $75 bonus once trading requirements are met, then withdraw eligible winnings through the Withdraw option.
No. 4: Novig
Restrictions and eligibility requirements apply. The offer is available to new users only, subject to the terms and conditions specified by Novig. 21+ only. Event contract trading involves significant risk and is not appropriate for everyone. Please carefully consider if it is appropriate for you in light of your personal financial circumstances. Novig products are not available in all jurisdictions.
Novig Promo Code
Novig is offering a Deposit $10, Get $25 bonus, delivered as five Trade Credits of $5 each. Enter the Novig promo code COVERS during registration to activate the offer.
The offer includes the following terms and conditions:
- Users must be at least 21 years old and enter the Novig promo code COVERS during registration.
- A qualifying deposit and trade are required to activate the offer.
- A minimum deposit of $10 and a minimum trade of $5 are required.
- Trade Credits can be used on contracts priced between $0.01 and $0.60 per contract, and they expire after 30 days.
- Novig Coins are non-withdrawable and hold no monetary value, while Novig Cash can be exchanged for real money prizes.
- The offer is available nationwide and has no end date.
How to claim the Novig promo code offer:
- Download the Novig app from the App Store or Google Play Store and select Sign Up.
- Provide personal information, including full name, home address, email and Social Security number, to verify the account.
- Enter Novig promo code COVERS during registration.
- Deposit at least $10 and place a minimum trade of $5 to receive the $25 in Trade Credits.
No. 5: OG.com
Trade $25 & Get $25
Campaign period: Extended. The promotion expires seven days after account verification, and only events settled within this seven-day window are eligible. Each qualifying trade must be worth at least $10 and have a probability below 80%. Trades at or above 80% probability will not count. Trades are counted only after they have settled, and trades placed using rewards are not eligible.
OG.com Promo Code
OG.com is offering a Trade $25, Get $25 bonus for new users. Enter the OG promo code COVERS during registration to claim up to $25 in trading bonuses.
The offer includes the following terms and conditions:
- Available in all states except New York and Arizona. Users in Illinois, Massachusetts, Maryland, Michigan, New Jersey, Nevada and Ohio can claim the bonus but cannot use it for sports trading.
- Users must be physically located in an eligible state.
- A minimum deposit of $10 is required.
- A trade of at least $25 is required to qualify for the full bonus.
- The qualifying trade must settle within seven days of account verification.
- Only trades with a probability below 80% qualify.
How to claim the OG promo code offer:
- Visit OG.com, select Sign Up and register with an email address, verifying both the email and mobile phone number.
- Complete identity verification with a full name, date of birth, address and the last four digits of a Social Security number, then enter promo code COVERS.
- Deposit funds using a debit card or another available payment method.
- Place a qualifying trade of at least $25 on a market with a probability below 80% that will settle within seven days.
- Withdraw eligible cash by linking a bank account through Plaid and requesting an ACH withdrawal.
No. 6: Underdog
Must be 18+ (19+ in AL, NE; 19+ in CO for some games; 21+ in AZ, MA, and VA) and present in a state where Underdog Fantasy operates. Terms apply. Offer not valid in MD, MI, NJ, NY, OH, and PA. Concerned with your play? Call 1-800-MY-RESET or 1-800-GAMBLER or visit www.ncpgambling.org; AZ: 1-800-NEXT-STEP (1-800-639-8783) or text NEXT-STEP to 53342; NY: Call the 24/7 HOPEline at 1-877-8-HOPENY or Text HOPENY (467369).
Underdog Promo Code
Underdog is offering a 50% deposit match up to $1,000 for new customers. Enter the Underdog fantasy promo code COVERS during registration to activate the match.
The offer includes the following terms and conditions:
- A minimum deposit of $10 is required to qualify.
- The match is capped at $1,000, requiring a $2,000 deposit to receive the maximum bonus.
- Bonus credit can take up to 72 hours after the qualifying deposit resolves to appear in the account.
- The promo code can be used with eligible Prediction Picks and Combo entries.
- A 1x playthrough of the deposit plus bonus is required within 14 days of the bonus being issued.
- Any promotional balance that has not satisfied the playthrough by the end of the 14 day period can be forfeited.
- Winnings generated during the playthrough period may be withdrawable, though promotional funds remain subject to the offer terms.
How to claim the Underdog promo code offer:
- Register for a new account through the Underdog sign-up page.
- Enter Underdog promo code COVERS in the promo code field and confirm the 50% deposit match is displayed.
- Complete identity verification, providing personal and location information as requested.
- Deposit at least $10, keeping in mind a $2,000 deposit is required for the maximum $1,000 match.
- Receive bonus entries within 72 hours, then complete a 1x playthrough of the deposit plus bonus within 14 days.
No. 7: Crypto.com
Restrictions and eligibility requirements apply. The offer is available to new users only, subject to the terms and conditions specified by Crypto.com. 18+ only. Event contract trading involves significant risk and is not appropriate for everyone. Please carefully consider if it is appropriate for you in light of your personal financial circumstances. Crypto.com products are not available in all jurisdictions.
Crypto.com Promo Code
Crypto.com is offering a Play $5, Get $50 in bonus entries promotion that applies automatically. No Crypto.com promo code is required, but new users must sign up through an eligible link and deposit at least $10 to receive a matching bonus of up to $50.
The offer includes the following terms and conditions:
- Available in most states plus Washington, D.C., except Arkansas, Arizona, Connecticut, Illinois, Louisiana, Massachusetts, Maryland, Michigan, Nevada, New York and Ohio.
- No referral code is required to access the offer.
- Registration requires personal information, including legal name and email address, along with proof of ID.
- A minimum initial deposit of $10 is required, and Crypto.com will match the stake up to $50.
- The offer is ongoing and has no expiry date.
How to claim the Crypto.com promo code offer:
- Download the Crypto.com app from the App Store or Google Play and begin registration.
- Complete identity verification by confirming a phone number and providing a government issued ID.
- Deposit at least $10 using a fiat or cryptocurrency payment method.
- Navigate to the Sports tab, browse available prediction markets and place a contract.
- Withdraw winnings after the event concludes by selecting Transfer, then Withdraw Funds, and choosing a linked payment method.
Sunday night's Cowboys vs. Giants game gives NFL fans a fresh reason to compare predictions market promos before kickoff. Each platform listed above, from Kalshi to DraftKings Predictions, carries its own registration steps, deposit requirements and terms. Reviewing those details ahead of time makes it easier to claim a welcome offer and start exploring event markets this week.
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