Kalshi Promo Code GRINDERS: $25 Bonus for NFL (September 2026)

by Alicia Grimes (agrimes) Last Updated 2026-09-09T12:33:42
✅ Fact checked by Stephen Pierce

Updated on 9/9/26

Kalshi

Trade $25, Get $25!

Bonus Code

GRINDERS

Claim Now!

Certain limitations apply. The offer is available to new users only, subject to the terms and conditions. 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. Not available in AZ, IL, MA, MD, MI, MT, NV, OH, and WA.

Claim the Kalshi promo code GRINDERS now, trade $25 and get a $25 welcome bonus for NFL and college football.

Eligible users 18+ in most U.S. states can claim the “Trade $25, Get $25!” Kalshi offer with the Kalshi promo code GRINDERS, then put the bonus to work tonight, September 9, on NFL’s Patriots vs. Seahawks. The 49ers visit the Rams tomorrow, September 10, with college football’s Week 2 starting the same night.

TL;DR

• Promo code: Use Kalshi promo code GRINDERS to claim the welcome offer.
• Welcome offer: Trade $25, Get $25!
• Bonus amount: $25 bonus credits.
• How to qualify: Complete $25 in total trades within 30 days of signing up. No winning trade required.
• Bonus expiration: 7 days after being credited.
• Who can use the Kalshi promo code GRINDERS: Certain limitations apply. The offer is available to new users only, subject to the terms and conditions. 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. Not available in AZ, IL, MA, MD, MI, MT, NV, OH, and WA.
• What is Kalshi: A CFTC-regulated prediction market, not a traditional sportsbook. So its bonus structure differs from standard sports-betting promos.
• What to trade on: 2028 Democratic presidential nominee, 2027 NFL Champion, 2026 Primaries, Pro Baseball Champion, and more.

Kalshi Promo Code GRINDERS for September 2026

Does Kalshi Have a Sign-Up Bonus?

Yes. Trade $25 within 30 days of signing up with promo code GRINDERS, and Kalshi credits a $25 bonus.

Here’s how it works:

1. Register with the Kalshi promo code GRINDERS

2. Deposit and trade $25 in total on event contracts within 30 days of signing up.

3. Kalshi credits your $25 bonus.

You don’t need a winning trade. And instead of putting the full $25 on a single market, you can spread it across several smaller trades while you get a feel for how Kalshi works.

A few things to know before you cash out:

• The bonus is trading credit, not withdrawable cash, so you’ll use it to place trades on Kalshi.
• The bonus carries a 1x requirement: trade through an amount equal to your credit before withdrawing related winnings.
• Once Kalshi grants the bonus, you have 7 days to use it before it expires.

Curious about more sport exchange offers? I’d point you to our review of the SI Predict signup bonus.

How to Claim Your Kalshi Bonus

Once you’ve entered the Kalshi promo code GRINDERS, verified your identity, and funded your account, you’ll only need $25 in total trades to unlock the bonus.

1. Open the Kalshi app.
2. Tap Sign Up.
3. Register with your email, Google account, or Apple account.
4. Enter the Kalshi promo code GRINDERS.
5. Add your legal name, date of birth, phone number, address, and Social Security number.
6. Upload a photo of your driver’s license or passport and complete the selfie check. Unverified users can browse markets but cannot trade.
7. Open the menu and select Deposit. Kalshi accepts Apple Pay, debit cards, ACH bank transfers, wire transfers, and USDC.
8. Place $25 in total trade volume to trigger your bonus funds.

Note: If you want to use crypto, purchase USDC on a wallet like Coinbase and ensure you select the matching asset network (e.g., Base) to avoid lost funds.

Kalshi Promo Code vs. Competitor Bonuses

While Kalshi offers a top-tier sign-up bonus, competitors like Polymarket, FanDuel Predicts, Novig, DraftKings Predictions and ProphetX also run new-user promos.

Use the comparison table below to evaluate current welcome offers, promo codes, and key terms side-by-side.

Key Takeaway

The Kalshi welcome bonus is one of the simplest offers available among regulated prediction markets. Because qualifying trades only require $25 in total volume, new users can spread their trades across several markets while learning how the exchange works.

Kalshi vs. Polymarket

If you’re comparing prediction market apps, Kalshi and Polymarket are usually the first two platforms that come up. Both are now CFTC-regulated in the United States, both offer sports and political markets, and both allow users to trade event contracts rather than place traditional bets.

That said, the experience on each platform is a little different.

Polymarket has become one of the most popular prediction market apps thanks to its mobile-first design, competitive fee structure, and Deposit $10, Get a $50 Trading Bonus! offer. The platform offers markets across sports, politics, economics, culture, technology, and weather.

Kalshi, meanwhile, offers a larger selection of markets, deeper coverage across categories, and a superior desktop experience.

Kalshi vs. Polymarket: Which One Should You Choose?

For most new users, Kalshi is the stronger starting point. You get the widest range of contracts, more ways to fund your account, and the flexibility to trade on desktop or mobile — plus the Trade $25, Get $25! welcome offer with promo code GRINDERS.

Polymarket is still worth a look if you trade mainly from your phone and want a stripped-down app for the biggest markets.

Many traders, myself included, keep accounts on both Kalshi and Polymarket, and use whichever has the market, price, or bonus they want at the time.

If you’re still unsure on which platform is the better fit, you can check our Kalshi vs. Polymarket breakdown for a deeper look at the bonuses, fees, market selection, and overall experience.

💡 How I’d Use the Kalshi Welcome Bonus (NFL, CFB)

If I were using the Trade $25, Get $25! Kalshi offer for the first time, I’d spread my trades across a few different markets instead of putting the entire $25 on a single outcome. It’s an easy way to clear the requirement while you learn how Kalshi’s exchange works.

For example:

1. Buy a few dollars of contracts on College Football week 2 games, the NFL opener between the Patriots and Seahawks on Wednesday, September 9, or the 49ers–Rams game on Thursday, September 10. Daily contracts settle fast, so you get an early read on how the pricing moves.
2. Round it out with a longer-dated market, like the 2028 Democratic presidential nominee or a World Series contract, so you see how both fast- and slow-settling markets behave.

You don’t need to wait for a trade to settle. Once you hit $25 in volume, Kalshi credits the bonus automatically, and you’ll have 7 days to use it.

Kalshi Market Movement Example

Daily game markets move more than most people expect. In the August 8 Yankees–Braves market, New York opened at 55¢ and had slipped to 50¢ before a Spencer Jones triple scored a run and pushed it to 66¢ — a 16-point move on one play.

Those contracts settled at $1 after the Yankees won 5-4. The August 10 Red Sox–Blue Jays market went the other way: Boston opened at 58¢ and was still sitting at 59¢ hours later.

Both are worth watching while you clear the $25, because one shows how fast a single play reprices a market and the other shows how many games simply don’t move.

A few tips:

• Look past the headline market. Division and conference winners, season win totals, and daily games give you far more chances to trade than championship odds alone.
• Don’t chase yesterday’s results. A blowout or upset moves prices fast, but those overreactions often open up value elsewhere.

Kalshi Latest Picks

You can find pro football championship contracts on Kalshi! Here are the latest forecasts:

Table last updated September 9, 2026 Subject to change.

Learn how to convert percentages to American sportsbook odds at Kalshi.

Ongoing Promos at Kalshi (September 2026)

The welcome bonus isn’t the only way to get extra value from Kalshi. The platform runs regular promos to keep users engaged, including referral rewards and occasional offers tied to major sporting events and other high-interest markets.

Refer-a-Friend & Earn a $25 Bonus

If you enjoy using Kalshi, the Refer-a-Friend program is an easy way to pick up some extra bonus funds.

Invite a friend to join, and once they complete the qualifying requirements, you and your friend each become eligible for your own $25 bonus credit. The two rewards are independent — your amount doesn’t depend on theirs, and vice versa.

It’s a nice perk if you have friends who are curious about prediction markets and want to try trading alongside you.

How can I refer a friend on Kalshi?

After your first trade and identity verification, open the “invite friends” tab in your account, copy your unique referral link, and send it to whoever you want to invite.

You can also share the Kalshi promo code GRINDERS with your friends so they can claim the same Trade $25, Get $25! welcome offer after their first $25 in trades. Just note they can use one or the other — a referral link or the promo code, not both.

🚨​ The current Kalshi referral code is not the same code you’ll receive when referring a friend.

What Is Kalshi?

Kalshi is a CFTC-regulated prediction market where users trade contracts on real-world events instead of betting against a sportsbook.

Markets cover sports, politics, economics, weather, entertainment, cryptocurrency, and other topics, with every contract settling at either $1 or $0 depending on the outcome.

Kalshi is one of the few federally regulated prediction market apps available in the United States.

Since sportsbooks can’t offer political markets in the US, Kalshi fills that gap.

How Do Kalshi Event Contracts Work?

Kalshi event contracts are yes/no shares priced between $0.01 and $0.99 that pay $1 if the outcome occurs and $0 if it doesn’t. The price reflects the market’s implied probability — a $0.60 contract equals a 60% chance.

For example:

One thing I like about Kalshi is that you don’t have to hold your position until the event ends. You can sell your contracts early, take profits, or limit potential losses before the market officially settles.

That makes the experience a bit different from a traditional sportsbook. You’re not making a pick and waiting for the final result, you’re participating in a market where prices constantly adjust as new information comes in.

Transparent Fee Structure

Sportsbooks hide their commission (the “vig”) inside the odds, which usually acts as a baked-in 4.7% tax on your money.

As a CFTC-regulated exchange, Kalshi uses a transparent transaction fee model instead. Kalshi charges no settlement fees and free ACH deposits; every withdrawal costs a flat $2.00.

Prediction Markets Available on Kalshi

While many users first discover Kalshi through sports markets, you can trade on politics, economics, weather, pop culture, crypto, and other real-world events.

These are some of the most popular categories available on Kalshi:

US Sports Events to Trade on Kalshi

Who Is Kalshi Best For?

Kalshi is ideal for users interested in trading real-world event outcomes instead of placing traditional bets.

It’s popular with traders and sports fans, but also attracts analysts and political followers who track markets tied to economic data, performance trends, and elections. During the U.S. presidential race, for example, Kalshi markets briefly priced Donald Trump as the favorite.

Is Kalshi Legit?

Yes. Kalshi is federally regulated by the Commodity Futures Trading Commission, which requires it to follow rules protecting traders and market integrity.

Unlike competitors like Smarkets, Kalshi is legal in most U.S. states and offers a regulated alternative to traditional sports betting apps, allowing users to trade on real-world event outcomes through a federally approved platform.

Kalshi Legal States (September 2026)

One thing many users like about Kalshi is that it’s available in states where traditional sportsbooks aren’t. Thanks to its federal regulation, people in places like California and Texas can access the platform and trade event contracts.

If you want to check the details for a specific state, see our full guides on Kalshi in California, trading on Kalshi in Texas, and Kalshi’s Florida availability.

That said, some sports-related markets may still be unavailable in certain states as regulations around prediction markets continue to evolve.

State availability last reviewed September 9, 2026. Prediction market litigation is moving quickly and several cases are on appeal — Kalshi verifies your location at sign-up and shows the markets currently open to you, which is the authoritative answer for your state.

Trading Perpetual Futures on Kalshi

What Are Perpetual Futures?

Perpetual Futures are a newer product on Kalshi that lets you trade the price movement of assets like Bitcoin.

Unlike prediction markets, there’s no expiration date. You’re simply taking a position on whether you think the price will go up or down.

How Do They Work?

If you think an asset will rise in value, you can buy. If you think it will fall, you can sell.

Your position stays open until you decide to close it, and Kalshi also offers leverage for traders looking for additional exposure.

If you’re new to Kalshi, I’d still recommend starting with prediction markets. Perpetual Futures are designed for more experienced traders who want to follow asset prices rather than event outcomes.

Is There a Kalshi Perpetuals Invite Code?

No, you don’t need an invite code. You can use our Kalshi promo code GRINDERS to register and get both the welcome offer and access to Perpetuals.

Kalshi App Features & Navigation

The Kalshi mobile app (iOS and Android) focuses on making an open order book legible for casual retail traders. Rather than digging through overwhelming financial charts, the UI is built for rapid filtering.

• Market Discovery Menus: The sidebar filters active markets by Trending (highest current attention), Top Movers (largest recent price swings), New (recently listed), and Highest Volume (best liquidity).
• The “Ideas” Tab: A social feed where users share strategies, post live trades, and discuss market angles.
• Market Builder: If you spot a gap in the order book, you can propose a new market. If the idea gains enough community traction, Kalshi will list it.
• Portfolio Tracker: A real-time tracker displaying your available cash balance alongside the fluctuating live value of your open positions.

Know the Kalshi Tabs

Getting the hang of the app is easy, so here’s what each tab covers.

Trading “High Volume” vs. “Top Movers”

Two filters matter most when you’re clearing the GRINDERS bonus: High Volume and Top Movers.

Here is how to use them to your advantage:

• High Volume Markets: The most actively traded contracts on Kalshi. Higher activity means tighter spreads and easier order execution, which makes them a practical starting point.
• Top Movers: The markets with the biggest recent price changes — the fastest way to see where traders are reacting to news or in-game events. The August 9 Padres–Astros market showed how sharp that can get: San Diego was trading at 44¢ before a three-run Fernando Tatis Jr. home run moved it to 76¢, a 32-point swing on a single at-bat. San Diego won 7-2 and those contracts settled at $1.

⚠️ Trader Tip: High volume tells you a market is liquid, not that its price is correct. Check your own read against it before you trade.

Integrations & Partnerships (MLB, Robinhood, CNN, PrizePicks Predicts)

Kalshi’s growing presence has helped bring prediction markets into the mainstream through partnerships with major financial, media, and gaming companies:

• MLB Partnerships: Kalshi has expanded its sports presence through exclusive, multi-year partnerships with five MLB clubs: the Los Angeles Dodgers, Atlanta Braves, Boston Red Sox, San Diego Padres, and San Francisco Giants. The deals include in-stadium signage along with social, digital, radio, and fan activations, giving Kalshi a bigger presence around Major League Baseball.
• Robinhood Integration: Following a successful pilot during March Madness 2025, Robinhood now offers a variety of Kalshi’s event contracts (sports, politics, and economics) directly within the Robinhood app, allowing users to trade prediction markets using their existing brokerage accounts.
• CNN Partnership: CNN designated Kalshi as its official prediction markets partner. Kalshi’s real-time probability data is integrated into CNN’s newsroom coverage via an on-air ticker and utilized by data analysts to forecast political and macro events.
• PrizePicks Predict Partnership: Kalshi has also expanded its reach through partnerships with gaming operators such as PrizePicks. Through PrizePicks Predict, users can access prediction markets powered by Kalshi technology, helping introduce event-based trading to an even broader audience.
• ADI Predictstreet Partnership: The platform partnered with ADI Predictstreet, FIFA’s Official Prediction Market Partner, during the 2026 World Cup giving Kalshi a bigger presence throughout the tournament while expanding World Cup prediction markets.

Learn more about the nature of Kalshi and Robinhood’s partnership in RotoGrinders’ guide to DCMs vs. FCMs.

Deposits and Withdrawals at Kalshi

As a federally regulated prediction market, Kalshi has secure deposits and withdrawals.

Here’s a look at how you can deposit funds so you can make your first $25 in trades and qualify for the Kalshi new customer bonus:

Remember, you must verify your account before depositing and trading at Kalshi.

You can sell early at any time, and Kalshi pays a variable APY on cash and open positions for accounts holding at least $250.

Kalshi Customer Service

You only have two options for contacting the support team at Kalshi—email support@kalshi.com or join the Discord server.

Even though there’s no live chat or phone number to call, the customer service reps are pretty helpful and should get back to you within a reasonable timeframe.

Responsible Trading & Risk Management on Kalshi

As a regulated financial exchange, Kalshi prioritizes user protection over endless volume. Instead of generic advice, Kalshi provides built-in, account-level controls to help you manage your funds and exposure.

You can access all of these responsible trading tools directly in the app or on the web under Settings → Responsible Risk Management:

• Monthly Deposit Limits: Set a hard cap on how much cash you can transfer into your Kalshi account.
• Trading Breaks: Enforce a temporary “cool-off” period. If feel you’re chasing losses, you can lock yourself out of making new trades for a short duration.
• Self-Exclusion: For long-term control, you can fully exclude yourself from the platform for a specified period.
• Confidential Support: Kalshi has an official partnership with Birches Health to provide confidential, professional guidance for healthy trading habits and financial decision-making.

🚨​ Important: Never trade with money you cannot afford to lose. While you can sell your shares early to mitigate losses, a wrong prediction can result in a total loss of the invested capital.

Kalshi Promo Code FAQs

Here are the most asked questions about the Kalshi promo code.

To claim sports betting promos, check out our guide!