Saturday, May 9th, 2026, brings an action-packed, all-day postseason slate, and Kalshi has extended its popular referral code, “DIMERS”, into May 2026—meaning the $10 Kalshi referral bonus is now officially available for the UFC 328: Chimaev vs. Strickland middleweight title fight and today's Champions League action.
This timely Kalshi promo code update drops at the perfect moment for sports forecasters looking to invest in today’s pivotal UFC and UCL matchups. Because Kalshi operates under the federal oversight of the Commodity Futures Trading Commission (CFTC) rather than functioning as a standard offshore sportsbook, residents in approved states can legally acquire shares in the outcomes of their favorite sporting events. Notably, this Kalshi bonus is highly popular in California, Oklahoma, and New York among local fight fans eager to back Chimaev or Strickland, as well as soccer fans nationwide tracking the afternoon clash between Arsenal and Atletico Madrid.
With massive championship battles taking place today, activating the Kalshi code delivers an excellent starting point for new traders.

When applying DIMERS, this Kalshi code rewards first-time traders with a $10 bonus the moment they execute 10 initial event predictions (or allocate their first $10 in total volume) on the Kalshi exchange.
Every single finalized contract counts toward your requirement, whether you are buying shares on Khamzat Chimaev to maintain his undefeated reign or taking a position on Sean Strickland to secure a massive championship upset.
| Category | Terms & Conditions |
|---|---|
| Age Requirement | Must be 18 years of age or older. |
| Residency Requirement | Must possess a legal, U.S. residential address. |
| Eligible U.S. States (42) | Alabama, Alaska, Arkansas, California, Colorado, Connecticut, Delaware, Florida, Georgia, Hawaii, Idaho, Indiana, Iowa, Kansas, Kentucky, Louisiana, Maine, Minnesota, Mississippi, Missouri, Nebraska, Nevada, New Hampshire, New Mexico, New York, North Carolina, North Dakota, Oklahoma, Oregon, Pennsylvania, Rhode Island, South Carolina, South Dakota, Tennessee, Texas, Utah, Vermont, Virginia, Washington, West Virginia, Wisconsin, Wyoming. |
| Other Eligible Regions | Washington D.C. and U.S. territories. |
| Restricted States (8) | Not available in Arizona (AZ), Illinois (IL), Massachusetts (MA), Maryland (MD), Michigan (MI), Montana (MT), New Jersey (NJ), and Ohio (OH). |
This upgraded $10 Kalshi promotion functions as a versatile trading incentive that remains fully legal across most US jurisdictions, including key markets for today's championship fights.

It is entirely normal for new users to experience slight confusion during registration, as the platform utilizes several naming conventions for different types of codes. Here is a brief guide to clarify:
Kalshi turns real-world sporting outcomes into tradable financial assets. Rather than relying on the complex moneyline odds found at traditional sportsbooks, Kalshi prices each event contract between 1¢ and 99¢. This pricing dynamic reflects the trading community’s real-time estimated probability of a “Yes” outcome.
Below is a snapshot of today's UFC 328 Method of Victory outlook. The listed percentage represents the cent-value required to purchase a “Yes” contract for that specific outcome.
| Outcome | Probability (Price) |
|---|---|
| Khamzat Chimaev by Submission | 46% (46¢) |
| Khamzat Chimaev by Decision | 22% (22¢) |
| Khamzat Chimaev by KO/TKO/DQ | 15% (15¢) |
| Sean Strickland by KO/TKO/DQ | 12% (12¢) |
| Sean Strickland by Decision | 10% (10¢) |
| Sean Strickland by Submission | 3% (3¢) |
| Draw | 2% (2¢) |
| Matchup | Team 1 Probability | Team 2 Probability | Tie Probability | Kick-Off (ET) |
|---|---|---|---|---|
| Arsenal vs. Atletico Madrid | Arsenal (60%) | Atletico Madrid (18%) | Tie (24%) | 3:00 PM |
The beauty of the Kalshi platform is that it extends far beyond the Octagon and the pitch. Because Kalshi functions as a financial exchange rather than a traditional sportsbook, the Kalshi referral code DIMERS unlocks a bonus that can be applied to real-world events, including major political, financial, and economic outcomes.
Traders are already utilizing their sign-up bonuses to take positions on some of the most highly anticipated non-sports markets this May. Check out our detailed breakdowns of these trending markets to diversify your portfolio:
The Kalshi code DIMERS delivers much more than a standard sign-up bonus; it unlocks access to a federally regulated event trading ecosystem just in time for a massive championship clash. Unlike conventional offshore gambling sites, Kalshi is operated as a highly secure financial exchange under the strict supervision of the U.S. Commodity Futures Trading Commission (CFTC).
By blending regulatory compliance with an intuitive trading platform, this upgraded Kalshi code offers a phenomenal opportunity for MMA and soccer fans looking to engage in prediction-based finance. Because this promo remains highly popular in key markets like California, Colorado, and Oklahoma, local fans have the perfect opportunity to back their fighter. Whether you are taking shares on Chimaev's wrestling dominance, backing Strickland’s legendary volume, or predicting the next Fed Chair, this $10 bonus is the ideal springboard into live event trading.
Must be 18 years or older and have a legal, U.S. residential address within the applicable state, D.C., or U.S. territories. Not available in AZ, IL, MA, MD, MI, MT, NJ, and OH.

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