Grab $1400+ in Prediction Market Promos Ahead of Patriots vs Seahawks & 49ers vs Rams This Week

Peter Clarke - Senior Editor at Covers.com
Peter Clarke • Senior Editor 16+ years betting experience
Updated: Sep 8, 2026 , 06:05 PM ET • 3 min read

Explore predictions market promos ahead of Patriots-Seahawks and 49ers-Rams on Sept. 8, featuring offers from Kalshi, Polymarket, DraftKings and more.

Claim prediction market welcome bonuses by signing up today!
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Predictions market promos are rolling out ahead of Wednesday night's Patriots vs. Seahawks rematch and the 49ers vs. Rams clash in Melbourne on Tuesday, September 8. New users can browse the latest prediction market promos and compare offers from several platforms before kickoff. Each app below is available for download, and fans can also check out the best prediction market apps to find the right fit before signing up.

Our best prediction market promos

Top 8 Prediction Markets Welcome Offers Claim Now
Kalshi $35 Trading Bonus Claim $35 with code 'COVERS35'
Polymarket Deposit $10, Get $50 Bonus Claim $50 with code "COVERS"
ProphetX Trade $50, Earn $75 Claim $75 with code "COVERS"
Novig Deposit $10, Get $25 Claim $25 with code "COVERS"
OG.com Trade $10, Get $10 Bonus Claim $10
Underdog 50% Deposit Match up to $1,000 Claim $1,000 with code "COVERS"
Crypto.com Unlock $50 Bonus Claim $50
DraftKings Predictions Spend $5, Get $200 in Prediction Dollars Claim $200

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Predictions Market Promos for Patriots vs. Seahawks and 49ers vs. Rams

Fans preparing for Wednesday night's Patriots vs. Seahawks rematch and the 49ers vs. Rams matchup in Melbourne can compare some of the best prediction market sites before the 2026 NFL season begins. The offers below highlight several of the best predictions promos available heading into Week 1.


No. 1: Kalshi

Trade $25, Get $35 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 enter the Kalshi promo code COVERS35 to claim a Trade $25, Get $35 welcome offer. Kalshi allows users to trade contracts on sports, politics, economics and pop culture.

  • Available in all states except Nevada and Washington.
  • Users must be physically located in an eligible state.
  • Use the promo code or an eligible referral link, but not both.
  • Limited to one offer per Kalshi account.
  • A government ID or passport plus a selfie is required for verification.
  • Deposit at least $10 and transact at least $25 on Kalshi's Predictions product.
  • The $35 bonus is credited once $25 in qualifying trades is completed, regardless of outcome.
  • Bonus credit cannot initially be withdrawn, must be used on the Predictions product and expires seven days after issuance.
  1. Visit the Kalshi sign-up page, select "Sign Up" and enter promo code COVERS35, then provide a date of birth, phone number, location, Social Security number and identification for verification.
  2. Open the wallet section, select "Deposit Cash," choose a payment method and deposit at least $10.
  3. Browse available markets and transact at least $25 on Kalshi's Predictions product to trigger the bonus.
  4. Go to the Transfers section and select "Withdraw Funds" to access eligible cash proceeds.

No. 2: Polymarket

 Polymarket Logo 

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 claim a Deposit $10, Get $50 trading bonus. Polymarket US offers event contracts across sports, politics, economics and pop culture.

  • Available in every state except Nevada.
  • Users must be physically located in an eligible location.
  • Sign up with promo code COVERS to trigger the offer.
  • ID verification requires a photo of a driver's license or passport plus a selfie holding that ID.
  • An initial deposit of $10 is required.
  1. Open the Polymarket US app, select "Sign Up," enter promo code COVERS and register using a Google or Apple ID.
  2. Provide a username, full name, date of birth and address, then complete identity verification.
  3. Open the deposit section, choose a funding method such as debit card, ACH or wire transfer and deposit at least $10.
  4. Choose an event, select an outcome, enter a trade amount and confirm the transaction.
  5. Once funds are eligible, visit the withdrawal section, enter an amount and confirm the request.

No. 3: ProphetX

 ProphetX Logo 

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

New users can register with the ProphetX promo code COVERS to unlock a Trade $50, Earn $75 bonus. ProphetX features markets on sports, politics and culture.

  • Available in all states plus Washington, D.C., excluding Nevada.
  • Users must be physically present in an eligible location.
  • Sign up with bonus code COVERS to trigger the offer.
  • A government ID or passport plus a selfie is required.
  • Deposit at least $50 and trade at least $50 in event contracts.
  • The $75 bonus is credited once $50 in trades is completed, regardless of outcome.
  • The offer is ongoing.
  1. Launch the ProphetX app or desktop site, select "Register," enter promo code COVERS and provide personal information including a Social Security number and photo ID.
  2. Confirm the account using a one-time PIN sent by text.
  3. Navigate to the banking section, choose a payment option and deposit at least $50.
  4. Browse available markets and place trades totaling at least $50.
  5. Select "Withdraw," choose a vendor and enter the amount to withdraw once eligible.

No. 4: Novig

Deposit $10, Get $25

COVERS

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 offer, issued as five $5 Trade Credits usable on contracts priced between $0.01 and $0.60.

  • Users must be at least 21 years old to qualify.
  • A qualifying deposit and trade are required to activate the offer.
  • Deposit at least $10 and trade at least $5 to activate the bonus.
  • Trade Credits expire after 30 days.
  • The offer is available nationwide with no listed end date.
  1. Download the Novig app from the App Store or Google Play Store.
  2. Select "Sign Up" and provide a full name, home address, email and Social Security number to verify the account.
  3. Enter promo code COVERS during registration.
  4. Deposit at least $10 and place a qualifying trade of at least $5 to receive the Trade Credits.

No. 5: OG.com

OG.com Logo

Trade $10 & Get $10

 

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 offers eligible new users a Trade $10, Get $10 reward with no OG promo code required. Users can trade event contracts across sports, politics, culture and other categories.

  • Users must verify their account and confirm eligibility for the promotion.
  • A qualifying trade of at least $10 must settle within 7 days of identity verification approval.
  • The promotion expires 7 days after account verification.
  • Only trades with implied probabilities below 80% qualify.
  • Trades must settle to count, and trades placed using reward funds do not qualify.
  1. Visit OG.com or download the app, select "Sign Up," verify an email address and phone number and create a passcode.
  2. Complete identity verification by providing a full name, date of birth and the last four digits of a Social Security number.
  3. Deposit funds using a debit card, Apple Pay, Google Pay, ACH transfer or wire transfer.
  4. Browse markets, choose an outcome and place a qualifying trade of at least $10.
  5. Visit the portfolio section and select "Withdraw" to move eligible funds to a linked bank account.

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 apply the Underdog promo code COVERS to claim a 50% deposit match up to $1,000 on Prediction Picks and Combo entries.

  • Available to eligible new Underdog 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 for the maximum bonus.
  • Bonus funds can take up to 72 hours to appear after a qualifying deposit resolves.
  • Users must complete 1x the value of the deposit plus bonus in qualifying entries within 14 days.
  • Unqualified promotional balances can be forfeited after the 14-day period.
  • Winnings generated during the turnover period may be withdrawn, though bonus entries themselves are not directly withdrawable.
  • Only one promotion can be selected if multiple options are offered at sign-up.
  1. Begin registration through the Underdog sign-up page and create a new account.
  2. Enter promo code COVERS in the promo code field before continuing.
  3. Complete identity verification, including personal and location information.
  4. Deposit at least $10, keeping in mind a $2,000 deposit is needed for the maximum match.
  5. Wait for the bonus entries to post, which can take up to 72 hours.
  6. Complete the required 1x playthrough on eligible entries within 14 days.

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

Crypto.com currently applies its Play $5, Get $50 in Bonus Entries offer automatically, so no Crypto.com promo code is necessary. The bonus is paid in CRO, the platform's native cryptocurrency.

  • Available in most states plus Washington, D.C., excluding AR, AZ, CT, IL, LA, MA, MD, MI, NV, NY and OH.
  • No referral code is required to access the offer.
  • Registration requires a legal name, email address and proof of ID.
  • A minimum initial deposit of $10 unlocks a matching bonus of up to $50.
  • The offer is ongoing with no listed expiration date.
  1. Download the Crypto.com app from the App Store or Google Play, then create an account through the eligible sign-up link.
  2. Complete KYC verification by confirming a phone number and providing a government-issued ID.
  3. Deposit at least $10 using an accepted fiat or cryptocurrency method.
  4. Navigate to the Sports tab within the predictions marketplace and place a trade by buying or selling a contract.
  5. Visit the account section, select "Transfer," then "Withdraw Funds," and enter an amount to withdraw.

No. 8: DraftKings Predictions

Spend $5, Get $200

Event Contract Trading is offered by DraftKings Predictions, a CFTC-registered Futures Commission Merchant and NFA member. Trading involves substantial risk of loss and is not suitable for everyone. Market availability varies. Eligibility restrictions apply. 1 per new DraftKings customer. $5+ first-time trade req. Max. $200 issued as non-withdrawable Predictions Dollars that expire in 1 year. Reward issued as $50 in Predictions Dollars every 7 days via click-to-claim for 21 days. Click-to-claims expire 7 days after issuance. 7 days = 168hrs. Terms: http://dkng.co/predictionspromo . Ends 9/20/26 at 11:59 PM ET. Sponsored by DK.

DraftKings Predictions Promo Code

No DraftKings Predictions promo code is required to claim the platform's Spend $5, Get $200 in Prediction Dollars offer for eligible new customers.

  • Users must be new DraftKings customers, at least 18 years old and located in an eligible U.S. state or territory.
  • Identity verification may be required before trading or claiming the offer.
  • A first event-contract trade of $5 or more must be placed using cash from the account balance.
  • The $200 reward is issued as $50 in Prediction Dollars every seven days via click-to-claim over 21 days.
  • Prediction Dollars are non-withdrawable and expire one year from issuance.
  • Click-to-claim rewards expire seven days after issuance.
  • Terms, deposit requirements and market availability may vary by jurisdiction.
  1. Open DraftKings Predictions through the sign-up link, then create a new account or log in with an existing DraftKings account.
  2. Complete account setup and identity verification prompts.
  3. Add cash to the account balance so at least $5 is available.
  4. Open the Sports section and place a qualifying event-contract trade of $5 or more.
  5. Visit the Rewards section to track and claim Prediction Dollars as they become available.

Bettors have plenty of options to explore predictions market promos before the Patriots meet the Seahawks and the 49ers face the Rams on Tuesday, September 8. Each NFL platform above carries its own terms, so reviewing the requirements beforehand can help new users get the most from a welcome offer. Always confirm eligibility and location requirements before registering with any prediction market app.


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Peter Clarke - Covers
Senior Editor

Peter Clarke is dedicated to keeping bettors informed about the biggest sports betting events, such as the Super Bowl and March Madness, and the best way to cash in on sportsbook promos. He's also always on top of the latest welcome offers from the biggest sportsbooks, so he can share the best deals and the most exciting games to use them on every day.

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