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Measles cases in U.S. in 2026? — Polymarket Odds

Updated September 23, 2026 · Category: Tech & AI · Market end date: January 1, 2027

As of September 23, 2026 at 15:49 UTC, the leading outcome is ↑3.5k at 99.9%+, followed by ↑4k at 99.6%, ↑4.5k at 86.5%. The market has $8.01M in total volume and $1.1K in the last 24 hours.

Current odds

OutcomeProbability24h changeVolume
↑500 (settled)100%
+0.1 pts$102.6K
↑3k (settled)100%
+0.1 pts$94.2K
↑1k (settled)100%
+0.1 pts$72.1K
↑2k (settled)100%
+0.2 pts$51.0K
↑3.5k99.9%+
$15.8K
↑4k99.6%
$241.3K
↑4.5k86.5%
$4.4K
↑4.75k82.5%
+1.5 pts$64.1K
↑5k68.5%
+3.5 pts$287.2K
↑7.5k13.5%
$195.9K
↑10k8.2%
-0.1 pts$6.53M
↑12.5k2.1%
-0.1 pts$357.2K

Total volume $8.01M · 24h volume $1.1K · Liquidity $16.7K. Prices are Polymarket YES-share prices read as probabilities; they are not executable quotes.

30-day price history

0%25%50%75%100%Aug 24Sep 23

↑3.5k ↑4k ↑4.5k · 30-day price history (12-hour points)

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How this market resolves

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.

Summary of the market's published rules. The rules on Polymarket control settlement; check them there before relying on any outcome: open this market on Polymarket.

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Frequently asked questions

What are the current Polymarket odds for Measles cases in U.S. in 2026?

As of September 23, 2026 at 15:49 UTC, the leading outcome is ↑3.5k at 99.9%+, followed by ↑4k at 99.6%, ↑4.5k at 86.5%. The market has $8.01M in total volume and $1.1K in the last 24 hours.

When does the Measles cases in U.S. in 2026 market end?

The event's listed end date is January 1, 2027. Each outcome settles under the market's written rules, summarised on this page, which can differ from the end-date field.

How are these odds calculated?

They are the displayed prices of each outcome's YES share on Polymarket. A price of 60¢ implies roughly a 60% chance. This page refreshes the numbers twice a day, so they are not live quotes.

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Polymarket View, “Measles cases in U.S. in 2026? — Polymarket odds”, September 23, 2026, https://polymarkettrader.com/odds/measles-cases-in-us-in-2026/ (data: Polymarket, CC BY 4.0).

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