Get set for NBA opening night and the World Series with the latest prediction market promos from today's top platforms. Download any of the best prediction market apps, register with the right code, and make a qualifying deposit or trade to unlock your welcome offer. The best prediction market sites below cover the sign-up steps for every offer.
Our best prediction market promos
| Top 7 Prediction Markets | Welcome Offers | Claim Now |
|---|---|---|
 |
$60 Trading Bonus | Claim $60 with code 'MAX60' |
 |
Deposit $10, Get $25 Bonus | Claim $25 with code "COVERS" |
 |
Trade $50, Earn $75 | Claim $75 with code "COVERS" |
 |
Deposit $10, Get $50 | Claim $50 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 |
Best Prediction Market Sites and Promos for NBA Tip-Off and the World Series
With the NBA season opening on Tuesday, Oct. 20, and the World Series beginning Friday, Oct. 23, new users have plenty of markets to explore. Below are the best predictions promos available today, including the terms and sign-up steps for each offer.
No. 1: Kalshi
Claim $60 Bonus
*Certain limitations apply. The offer is available to new users only, subject to the terms and conditions at http://kalshi.com/tc/55. 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 MAX60: Trade $25, Get $60
Enter the Kalshi promo code MAX60 during registration to claim the Trade $25, Get $60 offer for eligible new customers. Kalshi lets users trade contracts on sports, politics, economics, and pop culture, and the bonus is credited once you transact at least $25, regardless of whether those trades win or lose.
Key terms and conditions:
- The offer is available in all states except Nevada and Washington.
- You must be physically present in an eligible location.
- You can use either the code MAX60 or an eligible referral link, but not both.
- The offer is limited to one per Kalshi account.
- You must provide a government-issued ID or passport, along with a selfie of you holding that ID.
- Make an initial deposit of at least $10 and transact at least $25 on Kalshi's Predictions product.
- Bonus credit cannot initially be withdrawn, must be used on Kalshi's Predictions product, and expires seven days after it is granted.
How to claim:
- Select "Sign Up" and enter the Kalshi promo code MAX60 during registration, then verify your account with your personal information, Social Security number, and a photo ID with selfie.
- Click "Deposit Cash" in your Kalshi wallet and fund your account with at least $10.
- Browse the available markets and transact at least $25 on Kalshi's Predictions product, choosing a market with clear rules and near-term settlement.
- After using any awarded bonus credit, withdraw eligible cash proceeds through the "Transfers" section by selecting "Withdraw Funds." The original bonus credit itself cannot be withdrawn.
No. 2: Polymarket
Get $25 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 COVERS: Deposit $10, Get $25
Use the Polymarket promo code COVERS to unlock a $25 trading bonus after a $10 deposit. The code must be entered during registration, since promo codes generally cannot be applied after an account has been created.
Key terms and conditions:
- The offer is available in all states except Nevada.
- You must be physically located in an eligible location.
- You must sign up with the code COVERS to trigger the offer.
- You must provide proof of ID, including a photo of a driver's license or passport along with a selfie holding that ID.
- An initial deposit of $10 is required.
- The bonus carries a 1x playthrough requirement. Once it is met, profit from your trades can be withdrawn as cash.
- The same promotion is available to eligible iOS and Android users who register through a qualifying promotional campaign.
How to claim:
- Open Polymarket through a verified link on this page, click "Sign Up," and enter the code COVERS. Enter the verification code sent to your email, or register with a crypto wallet such as MetaMask.
- Deposit at least $10 using a debit card, bank transfer (ACH), Apple Pay, or crypto.
- Place your first real-money trade on any eligible market.
- Once the requirements are met, your $25 trading bonus is credited and ready for your next trades.
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 COVERS: Trade $50, Earn $75
Register with the ProphetX promo code COVERS to earn a $75 trading bonus after depositing at least $50 and trading at least $50 in event contracts. The $75 bonus is credited once you complete $50 in trades, regardless of whether those trades win or lose.
Key terms and conditions:
- The offer is available in all states plus DC, excluding Nevada.
- You must be physically present in an eligible location.
- You must sign up with the ProphetX bonus code COVERS to trigger the offer.
- You must provide a government ID or passport, along with a selfie of you holding that ID.
- Make an initial deposit of $50 or more and trade at least $50 in event contracts.
- The offer is ongoing.
How to claim:
- Launch the ProphetX app or desktop site, click "Register," enter the code COVERS, and provide your personal information and ID. ProphetX will text you a one-time PIN to activate the account.
- Go to the banking section, choose a payment option, and deposit at least $50.
- Browse the available markets and place trades totaling at least $50.
- Use your $75 in bonus funds to keep trading sports prediction markets.
- Once all conditions are met, select "Withdraw," choose from the available vendors, and enter the amount. Claims are typically processed within five business days.
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 COVERS: Deposit $10, Get $50
Enter the Novig promo code COVERS during registration to qualify for the Deposit $10, Get $50 welcome offer. Novig is a peer-to-peer prediction market regulated by the Commodity Futures Trading Commission (CFTC) and operates via Ludlow Exchange, LLC.
Key terms and conditions:
- You must use the code COVERS during registration and be at least 21 years old.
- A minimum deposit of $10 and a minimum trade of $5 are required to activate the offer.
- The bonus arrives as ten Trade Credits of $5.00 each.
- Trade Credits must be used on contracts priced at least $0.01 and no more than $0.60 per contract.
- Trade Credits expire after 30 days.
- Novig Coins are non-withdrawable and hold no monetary value.
- The offer is available nationwide and is ongoing, with no end date.
How to claim:
- Click the link on this page and download the Novig app from the App Store or Google Play Store.
- Select "Sign Up" and provide your full name, home address, email, and Social Security number to verify your account.
- Enter the Novig promo code COVERS during registration.
- Deposit at least $10 and place a trade of at least $5 to receive your $50 in Trade Credits, then start exploring markets.
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 COVERS: Trade $25, Get $25
New users can enter the OG promo code COVERS during registration to claim up to $25 in trading bonuses. The offer requires a qualifying trade that settles within a set window, so choose your market carefully.
Key terms and conditions:
- The offer is available in all U.S. 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.
- You must be physically located in an eligible OG state.
- A minimum deposit of $10 is required.
- A trade of at least $25 is required to qualify for the full bonus, and the minimum qualifying trade is $10.
- The qualifying trade must settle within seven days of account verification.
- Only trades with a probability below 80% qualify, and trades made with reward funds are not eligible.
How to claim:
- Visit OG.com, click "Sign Up," and register with an email address. Verify your email and mobile phone number, create a passcode, and complete identity verification. Enter the code COVERS during registration.
- Fund your account with a debit card or another available payment method, such as Apple Pay, Google Pay, ACH, or wire transfer.
- Choose a short-duration market below 80% probability that will settle within seven days of account verification, and place a qualifying trade using cash.
- To withdraw, open your portfolio, select "Withdraw," link a bank account through Plaid, and submit an ACH withdrawal from your eligible cash balance. Most withdrawals are processed within 24 hours.
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 COVERS: 50% Deposit Match Up to $1,000
The Underdog promo code COVERS offers eligible new customers a 50% first-deposit match up to $1,000. A $2,000 deposit is needed to receive the maximum match, so choose a deposit size you can comfortably use within the playthrough window.
Key terms and conditions:
- You must deposit at least $10 to qualify.
- The bonus can take up to 72 hours after your qualifying deposit resolves to be issued, and it arrives as bonus entries rather than withdrawable cash.
- You must complete a 1x playthrough of your deposit plus bonus within 14 days of the bonus being issued.
- Bonus funds cannot be applied to entries with a payout multiplier below 2x.
- Any promotional balance that has not satisfied the requirements by the end of the 14 days can be forfeited.
- Winnings generated during the turnover period may be withdrawn, but the bonus entries themselves are not directly withdrawable.
- If Underdog offers a "Choose Your Offer" option, you can select only one promotion, and the offer shown at registration determines your bonus and requirements.
- COVERS can be used with eligible Prediction Picks and Combo entries, subject to their rules and availability.
How to claim:
- Follow the Covers Underdog link and begin creating a new account.
- Enter COVERS in the promo code field and confirm the registration screen shows a 50% first-deposit match up to $1,000.
- Complete identity verification. Prediction Picks may involve a second onboarding step, including questions about employment, income, and trading experience.
- Make a first deposit of at least $10.
- Receive your bonus entries, which can take up to 72 hours to appear.
- Use the qualifying balance on eligible entries and complete the 1x playthrough 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: Play $5, Get $50 in Bonus Entries
No Crypto.com promo code is needed to claim this offer, which applies automatically when you sign up through the eligible link on this page. Deposit at least $10 and Crypto.com will match your stake with a bonus of up to $50, issued in the form of CRO, the platform's native cryptocurrency.
Key terms and conditions:
- The offer is available in most states plus DC, except AR, AZ, CT, IL, LA, MA, MD, MI, NV, NY, and OH.
- No referral code is required to access the offer.
- Registering requires personal information, such as your legal name and email address, and proof of ID.
- A minimum initial deposit of $10 is required.
- The offer is ongoing and has no expiry date.
How to claim:
- Download the Crypto.com app from the App Store or Google Play and register through the eligible link. Complete KYC verification by confirming your phone number and providing a valid government-issued ID.
- Deposit at least $10 using fiat (ACH, bank transfer, Visa, Mastercard, Apple Pay, or Google Pay) or crypto (such as Bitcoin, Litecoin, or Ethereum).
- Open the "Sports" tab in the Crypto.com predictions marketplace and place your prediction by buying or selling a contract.
- After the event concludes, withdraw winnings through the "Transfer" section by selecting "Withdraw Funds" and choosing a linked payment method.
The offers above give new users plenty of ways to get started ahead of NBA opening night on Oct. 20 and the World Series beginning Oct. 23. Review each offer's terms, confirm your state's eligibility, and register with the correct code to secure your welcome bonus.
Affiliate Disclosure: Our team of experts has thoroughly researched and handpicked each product that appears on our website. We may receive compensation if you sign up through our links.
