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Climate & Science·Pandemics

Measles cases in U.S. in 2026?

icon for Measles cases in U.S. in 2026?
Climate & Science·Pandemics

Measles cases in U.S. in 2026?

Apr 30

May 31

Dec 31

Apr 30

May 31

Dec 31

Polymarket

$7,650,684 Vol.

Polymarket

$7,650,684 Vol.

↑2k

$42,694 Vol.

99%

↑3k

$47,813 Vol.

69%

↑4k

$167,688 Vol.

35%

↑5k

$215,336 Vol.

14%

↑7.5k

$170,789 Vol.

13%

↑10k

$6,487,567 Vol.

11%

↑12.5k

$344,054 Vol.

8%

This market will resolve to "Yes" if there have been the specified amount or more confirmed cases of Measles (Rubeola) in humans in the territory of the United States of America in 2026 according to the CDC case counter between January 1, 2026, 12:00 AM ET and December 31, 2026, 11:59 PM ET. Otherwise, this market will resolve to "No". The resolution source for this market will be the CDC Measles (Rubeola) counter (see: https://www.cdc.gov/measles/data-research/index.html) at the resolution time. If the counter becomes unavailable, another credible source will be used. Note: Only cases reported by the CDC Measles (Rubeola) counter will qualify, regardless of reports from U.S. State agencies or other sources.As of April 23, 2026, the Centers for Disease Control and Prevention (CDC) reports 1,792 confirmed measles cases in the United States year-to-date, with 93% outbreak-associated across 22 new outbreaks in 37 jurisdictions—primarily among unvaccinated individuals (92% of cases). Declining MMR vaccination coverage among kindergartners, now at 92.5% versus the 95% herd immunity threshold needed to curb this highly contagious virus (R0 of 12–18), has enabled sustained transmission in low-coverage pockets. Recent weeks show slowing new cases (down to seven rash onsets in the latest reporting period), but global measles surges heighten import risks during summer travel. Traders should watch weekly CDC Thursday updates, state vaccination campaigns, and epidemiological surveillance for shifts in trajectory before year-end resolution.

This market will resolve to "Yes" if there have been the specified amount or more confirmed cases of Measles (Rubeola) in humans in the territory of the United States of America in 2026 according to the CDC case counter between January 1, 2026, 12:00 AM ET and December 31, 2026, 11:59 PM ET. Otherwise, this market will resolve to "No".

The resolution source for this market will be the CDC Measles (Rubeola) counter (see: https://www.cdc.gov/measles/data-research/index.html) at the resolution time. If the counter becomes unavailable, another credible source will be used.

Note: Only cases reported by the CDC Measles (Rubeola) counter will qualify, regardless of reports from U.S. State agencies or other sources.
Volume
$7,650,684
End Date
Dec 31, 2026
Market Opened
Feb 16, 2026, 11:51 AM ET

Resolver

0x65070BE91...
This market will resolve to "Yes" if there have been the specified amount or more confirmed cases of Measles (Rubeola) in humans in the territory of the United States of America in 2026 according to the CDC case counter between January 1, 2026, 12:00 AM ET and December 31, 2026, 11:59 PM ET. Otherwise, this market will resolve to "No". The resolution source for this market will be the CDC Measles (Rubeola) counter (see: https://www.cdc.gov/measles/data-research/index.html) at the resolution time. If the counter becomes unavailable, another credible source will be used. Note: Only cases reported by the CDC Measles (Rubeola) counter will qualify, regardless of reports from U.S. State agencies or other sources.
This market will resolve to "Yes" if there have been the specified amount or more confirmed cases of Measles (Rubeola) in humans in the territory of the United States of America in 2026 according to the CDC case counter between January 1, 2026, 12:00 AM ET and December 31, 2026, 11:59 PM ET. Otherwise, this market will resolve to "No". The resolution source for this market will be the CDC Measles (Rubeola) counter (see: https://www.cdc.gov/measles/data-research/index.html) at the resolution time. If the counter becomes unavailable, another credible source will be used. Note: Only cases reported by the CDC Measles (Rubeola) counter will qualify, regardless of reports from U.S. State agencies or other sources.As of April 23, 2026, the Centers for Disease Control and Prevention (CDC) reports 1,792 confirmed measles cases in the United States year-to-date, with 93% outbreak-associated across 22 new outbreaks in 37 jurisdictions—primarily among unvaccinated individuals (92% of cases). Declining MMR vaccination coverage among kindergartners, now at 92.5% versus the 95% herd immunity threshold needed to curb this highly contagious virus (R0 of 12–18), has enabled sustained transmission in low-coverage pockets. Recent weeks show slowing new cases (down to seven rash onsets in the latest reporting period), but global measles surges heighten import risks during summer travel. Traders should watch weekly CDC Thursday updates, state vaccination campaigns, and epidemiological surveillance for shifts in trajectory before year-end resolution.

This market will resolve to "Yes" if there have been the specified amount or more confirmed cases of Measles (Rubeola) in humans in the territory of the United States of America in 2026 according to the CDC case counter between January 1, 2026, 12:00 AM ET and December 31, 2026, 11:59 PM ET. Otherwise, this market will resolve to "No".

The resolution source for this market will be the CDC Measles (Rubeola) counter (see: https://www.cdc.gov/measles/data-research/index.html) at the resolution time. If the counter becomes unavailable, another credible source will be used.

Note: Only cases reported by the CDC Measles (Rubeola) counter will qualify, regardless of reports from U.S. State agencies or other sources.
Volume
$7,650,684
End Date
Dec 31, 2026
Market Opened
Feb 16, 2026, 11:51 AM ET

Resolver

0x65070BE91...
This market will resolve to "Yes" if there have been the specified amount or more confirmed cases of Measles (Rubeola) in humans in the territory of the United States of America in 2026 according to the CDC case counter between January 1, 2026, 12:00 AM ET and December 31, 2026, 11:59 PM ET. Otherwise, this market will resolve to "No". The resolution source for this market will be the CDC Measles (Rubeola) counter (see: https://www.cdc.gov/measles/data-research/index.html) at the resolution time. If the counter becomes unavailable, another credible source will be used. Note: Only cases reported by the CDC Measles (Rubeola) counter will qualify, regardless of reports from U.S. State agencies or other sources.

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Frequently Asked Questions

"Measles cases in U.S. in 2026?" is a prediction market on Polymarket with 9 possible outcomes where traders buy and sell shares based on what they believe will happen. The current leading outcome is "↑500" at 100%, followed by "↑1k" at 100%. Prices reflect real-time crowd-sourced probabilities. For example, a share priced at 100¢ implies that the market collectively assigns a 100% chance to that outcome. These odds shift continuously as traders react to new developments and information. Shares in the correct outcome are redeemable for $1 each upon market resolution.

As of today, "Measles cases in U.S. in 2026?" has generated $7.7 million in total trading volume since the market launched on Dec 1, 2025. This level of trading activity reflects strong engagement from the Polymarket community and helps ensure that the current odds are informed by a deep pool of market participants. You can track live price movements and trade on any outcome directly on this page.

To trade on "Measles cases in U.S. in 2026?," browse the 9 available outcomes listed on this page. Each outcome displays a current price representing the market's implied probability. To take a position, select the outcome you believe is most likely, choose "Yes" to trade in favor of it or "No" to trade against it, enter your amount, and click "Trade." If your chosen outcome is correct when the market resolves, your "Yes" shares pay out $1 each. If it's incorrect, they pay out $0. You can also sell your shares at any time before resolution if you want to lock in a profit or cut a loss.

The current frontrunner for "Measles cases in U.S. in 2026?" is "↑500" at 100%, meaning the market assigns a 100% chance to that outcome. The next closest outcome is "↑1k" at 100%. These odds update in real-time as traders buy and sell shares, so they reflect the latest collective view of what's most likely to happen. Check back frequently or bookmark this page to follow how the odds shift as new information emerges.

The resolution rules for "Measles cases in U.S. in 2026?" define exactly what needs to happen for each outcome to be declared a winner — including the official data sources used to determine the result. You can review the complete resolution criteria in the "Rules" section on this page above the comments. We recommend reading the rules carefully before trading, as they specify the precise conditions, edge cases, and sources that govern how this market is settled.