If you followed health news in 2025, you may have seen that the U.S. reported the highest number of measles cases in more than 30 years. This February 2026, the numbers are still high, with about 900+ confirmed cases.
Are you knowledgeable about measles? You can make a Yes/No forecast on Kalshi about how many cases will be treated in 2026. This guide explains factors that could lead to a high number of measles cases in the U.S. and measures that may prevent them. We’ve added instructions for making predictions on this contract on Kalshi.
How Many Measles Cases Will the U.S. Have This Year?
After recording over 2,200 measles cases in 2025, the surge has continued this year. At the moment, the U.S. has confirmed over 900 cases, and we’re only six weeks into 2026.
This outbreak is prevalent in states such as North Carolina, California, South Carolina, and Washington. However, health officials are monitoring the situation, and vaccinations are ongoing.
Key Factors That Could Drive High Measles Cases In the U.S. This Year
The following are some factors that may increase the number of measles cases in the U.S this year:
Exposure at Mass Gatherings
More people are likely to contract the disease at events like the March for Life, which took place in D.C. a few weeks ago.
Post 2025 Outbreak Residuals
Some of the reported cases this year are residuals from last year’s outbreak.
Low Vaccination Rates at Kindergartens
Vaccination rates dropped significantly from 95% to 92.5% at kindergartens. This threshold is low and cannot effectively combat the virus.
Factors That Could Prevent High Measles Cases In the U.S. This Year
Here are some factors that could lower measles cases in the U.S. this year:
Fast Antibodies Administration
Most public health professionals are offering MMR doses to people around them to prevent the virus, even before symptoms appear.
Catch-Up Doses for Children
Health officials are also promoting catch-up immunization for children aged 4 to 6 years.
Mandatory Home Quarantine
Most states, like South Carolina, have instituted quarantine laws for anyone exposed to an infected person to prevent the spread.
What Analysts and Forecast Models Are Saying
Health analysts are concerned that the number of cases in 2026 may exceed the 2,200 recorded last year. Some believe that if residual cases aren’t handled before April, the U.S. may record up to 3,500 cases.
However, others believe the disease will be eliminated once the residual cases are contained.
How to Trade This Question at Kalshi
You can make Yes/No forecasts about how many measles cases the U.S. will have this year on prediction market sites like Kalshi. Here’s how to proceed:
- Click the banners on this page to visit the official Kalshi website.
- Sign up and move to the Science & Technology section.
- Look for the Measles Cases This Year contract.
- Make your forecast (Yes or No).
- Monitor and adjust your prediction.
The following table shows this contract’s details at Kalshi:
| Contract | Measles Cases This Year? |
|---|---|
| Chance | 69% for Above 6,000, 51% for Above 8,000, and 33% for Above 10,000. |
| Yes price | 69¢ for Above 6,000, 51¢ for Above 8,000, and 33¢ for Above 10,000. |
| No price | 32¢ for Above 1,000, 52¢ for Above 8,000, and 69¢ for Above 10,000. |
Kalshi will settle your contract based on the outcome, and you’ll receive your payout if your prediction is correct.
Conclusion – Make Yes or No Forecasts on How Many Measles Cases the U.S. Will Have This Year
As the U.S. continues to treat residual cases from last year, the number of measles cases has already surpassed 900. If you have sufficient knowledge of this topic, you can make Yes/No forecasts about how many measles cases the U.S. will have this year on Kalshi.
We’ve discussed the factors that may lead to high measles cases this year and what could prevent them. Ready to start your prediction? Click the banners on this page to register at Kalshi today.
