The United States is monitoring a measles outbreak that has drawn increased attention from public health authorities tracking infection trends. This page brings together three related prediction markets, each focused on measles case counts through April 30, 2026, that naturally cluster around a single underlying event: the trajectory of the outbreak. The three markets pose distinct but interconnected questions—whether the U.S. will record at least 1800, 1850, or 2200 confirmed measles cases by that deadline. Comparing prices across these linked thresholds allows readers to see where prediction market participants believe the outbreak is most likely to peak. Measles is a highly contagious viral infection transmitted through respiratory droplets. The current outbreak has raised concerns among epidemiologists and public health officials about community spread, vaccination gaps, and hospital strain. Forecasting where case counts will stabilize matters for outbreak response planning, resource allocation, and understanding transmission patterns across different regions. The three case-count thresholds are hierarchically related: if the outbreak exceeds 2200 cases, it necessarily exceeds both 1850 and 1800. A price suggesting cases will stay below 1800 signals confidence in containment; a price indicating the range 1850–2200 reflects a different risk profile. This ladder-like structure lets you read a detailed picture of expected outcomes rather than a simple yes-or-no forecast. When examining the prices below, watch for several indicators. Tight bid-ask spreads suggest consensus; wider spreads signal genuine disagreement about outbreak severity. If prices rise across all three thresholds, it may reflect fresh epidemiological data suggesting faster spread. Stable or declining prices could indicate confidence in control measures or slowing transmission. Together, these price movements offer a real-time snapshot of how prediction market participants are collectively interpreting the evolving outbreak situation.