TOTAL VOLUME:
$154.5b
24H VOL:
$271,200,656
24H TRANSACTIONS:
2,984,640,614
OPEN INTEREST:
$1,922,627,141
420,368
Markets across
40,352
events
MATCHED EVENTS:
4,484
PLATFORM COVERAGE:
5
Polymarket:
37%
VS.
Kalshi:
63%
Closed: Oct 15, 1:46 AM EST
Kalshi
The event centers on whether a specific regulatory change, CMS-2451-F, will be implemented in any U.S. jurisdiction by a set date. Its focus is on the confirmation of this policy change by authoritative sources within a defined timeframe. The outcome hinges on the actual occurrence of this regulatory action in the specified period.
If the taking effect of CMS-2451-F in at least one U.S. jurisdiction on October 13, 2026 is confirmed by any of the Source Agencies after Issuance and before Oct 20, 2026, then the market resolves to Yes.
Currently, prediction market odds offer a distinct perspective compared to traditional analyst forecasts regarding whether the HHS youth gender-care policy will take effect. While analysts often provide qualitative assessments, this market aggregates the collective judgment of many individuals trading on Kalshi. This can result in a different probability assessment than those offered by individual experts or polls. It’s important to note that analyst forecasts and prediction market prices represent different types of information and may not always align, reflecting varying methodologies and information sources.
On Kalshi, this market is priced using a continuous double auction mechanism, meaning traders can buy and sell contracts representing their belief about the outcome. The price of a contract reflects the probability of that outcome occurring, as determined by supply and demand. On Kalshi, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. As more traders buy contracts predicting the policy will take effect, the price increases, and the implied probability rises. Conversely, increased selling pressure lowers the price and the perceived probability. This dynamic pricing allows the market to quickly incorporate new information and adjust expectations.
This market resolves around Oct 20, 2026, with the outcome confirmed once the event is verifiable from credible public reporting. Resolution will depend on whether the U.S. Department of Health and Human Services’ policy regarding gender-affirming care for youth is officially in effect by that date. The outcome will be determined by publicly available documentation and reporting from trusted sources. Traders should monitor official announcements from the HHS and related government agencies as the resolution date approaches to stay informed about potential developments.
Several signals or events could significantly move this market before Oct 20, 2026. Key catalysts include any official statements or legal challenges related to the HHS policy. Court rulings, injunctions, or further clarifications from the HHS regarding the implementation timeline would all likely impact trading activity. Additionally, political developments, such as congressional hearings or executive actions, could also influence market sentiment. Unexpected announcements from relevant stakeholders or shifts in public opinion could also contribute to price fluctuations in this market.