The Week 2 finale between the Giants and Rams on Monday, September 21 in Inglewood is a good time to check out new predictions market promos. Several platforms are rolling out welcome bonuses for new users ahead of Monday Night Football.
Fans can browse the latest prediction market promos and compare the best prediction market apps before signing up this week.
Our best prediction market promos
| Top 8 Prediction Markets | Welcome Offers | Claim Now |
|---|---|---|
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$60 Trading Bonus | Claim $60 with code 'COVERS60' |
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Deposit $10, Get $50 Bonus | Claim $50 with code "COVERS" |
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Trade $50, Earn $75 | Claim $75 with code "COVERS" |
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Deposit $10, Get $25 | Claim $25 with code "COVERS" |
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Trade $25, Get $25 Bonus | Claim $25 |
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50% Deposit Match up to $1,000 | Claim $1,000 with code "COVERS" |
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Unlock $50 Bonus | Claim $50 |
Predictions Market Promos for Giants vs. Rams
The Giants and Rams meet for a Monday Night Football matchup on September 21, giving fans a fresh slate of markets to explore. New users can browse the best prediction market sites and lock in some of the best predictions promos before the Week 2 finale kicks off in Inglewood.
No. 1: Kalshi
Trade $25, Get $60 Bonus
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
New users can sign up with the Kalshi promo code COVERS60 to claim a Trade $25, Get $60 offer ahead of Giants vs. Rams. Kalshi lets customers trade contracts tied to sports, politics, and other real-world outcomes. The bonus is credited once the qualifying trade requirement is met, regardless of the trade's outcome.
- Available in all states except Nevada and Washington.
- Users must be physically located in an eligible state.
- Use either the Kalshi promo code or an eligible referral link, not both.
- Limited to one offer per Kalshi account.
- A government issued ID or passport and a selfie are required for verification.
- Deposit at least $10 and transact at least $25 on Kalshi's Predictions product.
- The $60 bonus is credited once the $25 trade requirement is met, win or lose.
- Bonus credit cannot be withdrawn immediately, must be used on the Predictions product, and expires seven days after being granted.
How to claim:
- Sign up with Kalshi and enter the promo code COVERS60 during registration.
- Provide personal information and verification documents, including a government issued ID and selfie.
- Deposit at least $10 into the new account.
- Place a qualifying trade of at least $25 on Kalshi's Predictions product.
- Receive the $60 bonus credit and use it on eligible markets within seven days.
- Withdraw eligible cash proceeds through the Transfers section once requirements are met.
No. 2: Polymarket
Get $50 With Code COVERS
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
New users can apply the Polymarket promo code COVERS to activate a welcome bonus tied to a qualifying deposit. Polymarket also runs a Refer-A-Friend Incentive Program that lets account holders earn additional trading credits after they register.
- Enter the Polymarket referral code COVERS during registration to activate the welcome offer.
- A qualifying deposit of at least $10 is required.
- Once registered, users receive their own referral code, which is their Polymarket username.
- Both the referring user and a new referred user can receive a $25 credit once the referred user deposits at least $10.
- Each user is limited to 14 friend referrals, for a maximum of $350 in referral credits.
- No additional qualifying trade is required beyond the deposit for referral credits to be issued.
How to claim:
- Register for a Polymarket account and enter the referral code COVERS.
- Complete identity verification, including personal information and any requested identification.
- Deposit at least $10 into the new account to trigger the welcome bonus.
- Explore available markets and begin trading with the account balance.
- Share a personal referral code with friends to earn additional $25 credits, up to 14 referrals.
No. 3: ProphetX
Earn $75 With Code COVERS
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
Enter the ProphetX promo code COVERS to claim a Trade $50, Earn $75 welcome offer. ProphetX offers markets on sports, politics, and culture, and the bonus is credited once the trade requirement is met, regardless of the outcome.
- Available in all states and Washington, D.C., excluding Nevada.
- Users must be physically present in an eligible location.
- Sign up using the ProphetX bonus code COVERS to trigger the offer.
- A government issued ID or passport, plus a selfie holding that ID, is required.
- Make an initial deposit of at least $50 and trade at least $50 in event contracts.
- The $75 bonus is credited once $50 in trades is completed, win or lose.
- The offer is ongoing with no listed expiration date.
How to claim:
- Create a ProphetX account through the app or desktop site and enter the promo code COVERS during registration.
- Provide personal information and identity verification, including a photo ID and one-time PIN confirmation.
- Deposit at least $50 into the new account.
- Place trades totaling at least $50 in ProphetX event contracts.
- Receive the $75 bonus once the trade requirement is met.
- Withdraw funds through the banking section once all conditions are satisfied.
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
New users can enter the Novig promo code COVERS to claim a Deposit $10, Get $25 welcome offer. The bonus arrives as five Trade Credits worth $5 each, usable on contracts priced between $0.01 and $0.60.
- Users must be at least 21 years old and enter the code COVERS during registration.
- A qualifying deposit and trade are required to activate the offer.
- Make a minimum deposit of $10 and a minimum trade of $5 to trigger the bonus.
- Trade Credits expire 30 days after being issued.
- The offer is available nationwide and is currently ongoing.
How to claim:
- Download the Novig app from the App Store or Google Play Store and register an account.
- Provide personal information, including full name, address, email, and SSN, to verify the account.
- Enter the Novig promo code COVERS during sign-up.
- Deposit at least $10 and place a trade of at least $5 to unlock the Trade Credits.
- Use the five $5 Trade Credits on eligible contracts before they expire in 30 days.
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 Promo Code
New users can enter the OG promo code COVERS during registration to claim a Trade $25, Get $25 welcome bonus. The offer is available in most states, though sports trading is restricted in a handful of jurisdictions.
- 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, with a $10 minimum qualifying trade.
- The qualifying trade must settle within seven days of account verification.
- Only trades with a probability below 80% qualify for the promotion.
How to claim:
- Visit OG.com, select Sign Up, and register using an email address and mobile number.
- Complete identity verification with a full name, date of birth, address, and the last four digits of a Social Security number.
- Enter the OG promo code COVERS during registration.
- 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 and bonus balances separately once the qualifying trade settles.
No. 6: Underdog
50% Deposit Match up to $1,000
Code: COVERS
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
New users can enter the Underdog promo code COVERS to activate a 50% deposit match up to $1,000. The bonus arrives as bonus entries rather than withdrawable cash and comes with a required playthrough.
- The 50% first deposit match is available to eligible new customers using code COVERS.
- 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 funds can take up to 72 hours to appear after the qualifying deposit resolves.
- The code can be used with eligible Prediction Picks and Combo entries.
- Users must complete 1x the value of the deposit plus bonus in qualifying entries within 14 days.
- Any unqualified promotional balance is forfeited after the 14 day turnover period.
- Winnings generated during the turnover period may be withdrawn, though bonus entries themselves are not directly withdrawable.
How to claim:
- Register for a new Underdog account through the sign-up page.
- Enter the Underdog promo code COVERS in the designated field.
- Complete identity verification, including personal and location information.
- Make a first deposit of at least $10.
- Receive bonus entries within 72 hours of the qualifying deposit.
- Complete 1x the deposit plus bonus in qualifying entries within 14 days to satisfy the playthrough.
No. 7: Crypto.com
Spend $5, Get $200
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
New users do not need a Crypto.com promo code to claim the current welcome offer, which matches a deposit up to $50 in CRO after signing up through an eligible link. The bonus is tracked automatically through the registration link rather than a manual code.
- Available in most states plus Washington, D.C., excluding 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 a legal name and email address, along with proof of ID.
- A minimum initial deposit of $10 is required, and Crypto.com matches the stake up to $50.
- The offer is ongoing and has no listed expiration date.
How to claim:
- Download the Crypto.com app and register a new account through the eligible sign-up link.
- Complete KYC verification, including phone number confirmation and a government issued ID.
- Deposit at least $10 using a supported fiat or cryptocurrency payment method.
- Navigate to the Sports tab within the Crypto.com predictions marketplace and place a prediction.
- Withdraw winnings through the Transfer section once the event concludes.
These predictions market promos give fans plenty of options to explore before the Giants and Rams meet on Monday, September 21 in the NFL Week 2 finale. Each platform carries its own terms, so review the requirements closely before signing up. Comparing multiple best prediction market sites can help new users find an offer that fits how they plan to participate.
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