TOTAL VOLUME:
$148.4b
24H VOL:
$209,734,046
24H TRANSACTIONS:
2,817,056,367
OPEN INTEREST:
$1,865,708,956
470,731
Markets across
35,423
events
MATCHED EVENTS:
2,810
PLATFORM COVERAGE:
5
Polymarket:
38%
VS.
Kalshi:
62%
At least 2000
- Kalshi
At least 2000 - Kalshi
1W
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Vol.
·
Resolves Jan 1, 2029
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Measles case counts in the United States average
The market resolves based on the average number of measles cases reported annually across 2025, 2026, 2027, and 2028. Each rule establishes a threshold, with resolution to Yes if the four-year average meets or exceeds that threshold. Thresholds range from 1,000 to 5,000 cases annually, allowing traders to bet on different severity levels of measles prevalence during the specified period.
Currently, it's difficult to directly compare prediction market odds to specific analyst forecasts for the average number of measles cases during this timeframe, as such forecasts are not consistently available or standardized. However, this market represents a collective forecast from a diverse group of traders, potentially incorporating a wider range of information and perspectives than a single analyst might. The wisdom of the crowd often provides a robust estimate, and the current pricing reflects the aggregated expectations of participants regarding potential public health trends and vaccination rates. It’s important to remember that this market focuses on the *average* number of cases.
On Kalshi, this market is priced using a continuous double auction, meaning traders can buy and sell contracts representing different outcome ranges for the average number of measles cases. The price of each contract reflects the market's assessment of the probability of that outcome occurring. On Kalshi, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. As more trades occur, the prices adjust to reflect new information and changing sentiment. Traders are incentivized to set prices accurately, as profitable trading relies on correctly predicting the eventual outcome. The market depth and order book are visible on the dashboard, providing transparency into trading activity.
This market resolves around Jan 1, 2029, with the outcome confirmed once the average number of measles cases reported during Donald Trump’s presidency is verifiable from credible public reporting. The Centers for Disease Control and Prevention (CDC) data will likely be a key source for determining the final outcome. The resolution will be based on the officially reported average, calculated over the entire duration of the presidential term. Traders should monitor public health data releases as the resolution date approaches to stay informed about potential developments that could influence the final result.
Several signals or events could significantly move this market. Major outbreaks of measles, changes in vaccination rates (either increases or decreases due to policy changes or public sentiment), and new research regarding measles transmission or immunity could all impact trader expectations. Public health announcements from organizations like the CDC, as well as any policy shifts related to vaccination requirements, would also likely cause price fluctuations. Unexpected events, such as a significant disruption to healthcare systems, could also influence the market as traders adjust their forecasts for the average number of cases.