Sunday's slate opens with the largest welcome ceiling in the prediction space: sign up with Kalshi promo code ACTION, put down a $25 trade, and you're in line for as much as $500 in bonuses. The offer is ready for the first pitch of Reds vs. Nationals — 12:15 p.m. ET on Peacock from Nationals Park — so there's time to fund an account before the game.
Event contracts are simpler than they sound: Kalshi is a federally regulated exchange where every market trades somewhere between $0.01 and $0.99, and a winning contract pays out a flat $1.00. Use the Kalshi promo code ACTION into the promo field at registration. Then, commit your first $25, and claim up to $500 in bonuses from a top-tier choice among the best prediction market apps.
Click the module below to register with the Kalshi referral code ACTION today, which is the best Reds vs. Nationals prediction market promo:
Kalshi Promo Code ACTION Overview
The Kalshi promo code ACTION offer is sstraightforward. Trade $25, and claim up to $500 in bonuses from one of the best prediction market promos available today. In fact, it is also the best Reds vs. Cardinals prediction market promo today.
| Detail | Terms |
|---|---|
| Promo code | ACTION |
| Offer | Trade $25, Get up to $500 |
| Operator | Kalshi (regulated event-contract exchange) |
| Eligibility | New users, 18+ |
| Excluded states | AZ, IL, MA, MD, MI, MT, NV, OH, WA |
Want a fixed-odds book in the rotation too? The prediction market promos page stacks the whole field side by side, and the prediction market apps breakdown maps out where each one is live.
How to Claim the Kalshi Promo Code ACTION
- Head to the sign-up page via Kalshi promo code ACTION link.
- Create your account and enter ACTION in the promo/referral field.
- Confirm you're 18+ and outside the excluded states.
- Fund your account and place your first $25 in trades to start unlocking the bonus.
Curious how the action is shaping up? The prediction markets hub follows the movement across sports, and sports betting markets on the same game are there if you'd like a traditional wager alongside your contracts.
Reds vs. Nationals Prediction
Here's the MLB market I'd put the bonus behind. The two sides are separated by almost nothing, with Cincinnati a hair in front on the road — and when a matchup is this evenly priced, I'd rather grab the cheaper ticket than pay for a coin-flip favorite. That points me to the Nationals at around $0.46, the home dog in a game the Kalshi MLB odds call a toss-up.
| Kalshi Market | Contract | Approx. Price | Implied Odds |
|---|---|---|---|
| Moneyline | Reds to win | ~$0.56 | −126 |
| Moneyline | Nationals to win | ~$0.46 | +116 |
Prices are live and move up to first pitch — confirm the board and posted starters before trading.
Kalshi Promo Code ACTION FAQ
How does the Kalshi ACTION bonus work?
This is a Trade $25, get up to $500 bonus offer. Enter ACTION at sign-up, add funds, and place your opening trades — the bonus grows toward a $500 cap as you go.
Do I need a code or a referral link?
Either one works. ACTION drops into the same field no matter whether the app labels it "promo" or "referral."
Can I trade Reds vs. Nationals with it?
Yes — every market's open. After funding, take the moneyline, run line, or total on Sunday's 12:15 p.m. ET game on Peacock.
Is Kalshi available in Washington, D.C.?
Yes — the District qualifies. Kalshi is off-limits only in AZ, IL, MA, MD, MI, MT, NV, OH, and WA.
Is Kalshi safe to use?
Yes — federal oversight applies. Kalshi is a CFTC-regulated exchange, so your trades are event contracts governed at the federal level.
Kalshi: Certain limitations apply. The offer is available to new users only, subject to the terms and conditions at kalshi.com/tc/500. 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.
