SimpleFunctions
PolymarketDec 31, 2026241 days left

Will there be at least 4000 measles cases in the U.S. in 2026?

This contract is priced at 30¢ on Polymarket. Current book: 29¢ bid, 31¢ ask, 2¢ spread.

Implied probability

30¢
$169K volume
$4K liquidity
2% of event volume

Event outcomes

7

Family volume

$7.5M

Best sibling

↑10k 10¢

Ticker

0x15a76480…58c7

Price history

30¢ current

39¢
25¢50¢75¢100¢
Apr 8, 2026May 3, 2026

Orderbook snapshot

29 / 31¢

Polymarket
2¢ spread
BidSize
29¢100
28¢100
26¢10
25¢10
24¢1.5K
16¢240
15¢70
14¢50
AskSize
31¢41
32¢388
33¢287
34¢334
35¢550
36¢598
37¢158
38¢100

Contract terms

Resolution, venue, and identifiers.

Resolution rules

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.

Venue

Polymarket

Closes

Dec 31, 2026

Identifier

0x15a76480…58c7

Indicators

Yield, cliff risk, volatility, and regime.

IY (Yes)

353.0%

IY (No)

64.8%

Adj IY

176%

CRI

2

Overround

0.3%

Regime

neutral

Score

0.409

Observability

medium

Event type

scientific

Full indicator table

353.0%
64.8%
Adj IY
176%
2
Overround
0.3%

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