TOTAL VOLUME:
$154.4b
24H VOL:
$230,589,906
24H TRANSACTIONS:
2,984,028,936
OPEN INTEREST:
$1,885,293,300
410,482
Markets across
40,213
events
MATCHED EVENTS:
4,340
PLATFORM COVERAGE:
5
Polymarket:
37%
VS.
Kalshi:
63%
Not Extended & Democratic Party
- Polymarket
Not Extended & Democratic Party - Polymarket
1W
News
Positive
Negative
Neutral
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Vol.
·
Resolves Nov 3, 2026
Time left: 01d:05h:57m
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This market tracks the probability of both whether enhanced ACA premium tax credits will not be extended in 2025 and whether the Democratic Party will win control of the House of Representatives in 2026. Currently, Polymarket gives a 91.5% probability to this combined outcome, while the alternative – ACA credits not extended and a Republican House win – is at 8.5%. Resolution will be based on official information from the US federal government and credible reporting regarding both the ACA tax credit extension by December 31, 2025, and the results of the 2026 House elections. Traders should particularly watch the results of the 2026 U.S. House elections scheduled for November 3, 2026, as this will be a key factor in determining the market’s outcome.
This market will resolve according to the combined outcome of whether enhanced ACA premium tax credits will be extended in 2025 (https://polymarket.com/event/enhanced-aca-premium-tax-credits-extended-in-2025?) and according to which party will win the House in 2026 (https://polymarket.com/event/which-party-will-win-the-house-in-2026?). The rules and resolution criteria are as follows: 1. Enhanced ACA premium tax credits extended in 2025? Affordable Care Act (ACA) enhanced premium tax credits are set to expire at the end of 2025 if not extended by the federal government. This market will resolve according to whether a bill extending the enhanced ACA premium tax credits beyond 2025 is signed into federal law by December 31, 2025, 11:59 PM ET. A qualifying bill may extend the enhanced ACA premium tax credits in any form, including shorter extensions, phased-down benefits, or narrowed eligibility, as long as the bill clearly continues enhanced premium tax credits that have wider eligibility and/or lower required income contributions relative to baseline ACA premium tax credits that would otherwise apply after 2025. A bill replacing the ACA enhanced premium tax credits with an alternative form of healthcare subsidy, such as direct cash payments to a health savings account, will not qualify. If the bill is signed into law before 2026, it will qualify to resolve this market, regardless of when it takes effect. The primary source of resolution will be official information from the US federal government; however, a consensus of credible reporting may also be used. 2. Which party will win the House in 2026? This market will resolve according to the party that controls the House of Representatives following the 2026 U.S. House elections scheduled for November 3, 2026. House control is defined as having more than half of the voting members of the U.S. House of Representatives. If the outcome of this election is ambiguous given the above rules, this market will remain open until the Speaker of the House is selected following the 2026 U.S. general election, at which point it will resolve to the party the Speaker is affiliated with at the time of their election to that position. If the elected Speaker does not caucus with any listed party this market will resolve “Other”. Determination of which party controls the House after the 2026 U.S. House elections will be based on a consensus of credible reporting, or if there is ambiguity, final federal and/or state election authority certification or other final official determination of the 2026 election results.
Currently, prediction market odds often reflect a different perspective than traditional polling averages. While polls aim to capture a snapshot of current voter sentiment, this market represents what traders believe will *actually* happen, factoring in a wider range of information and potential events. Discrepancies can arise due to differing methodologies and the ability of market participants to incorporate nuanced factors that polls may miss. It’s important to remember that both provide valuable, but distinct, insights into the potential outcome of the 2026 House elections.
On Polymarket, this market is priced through a continuous auction mechanism where traders buy and sell contracts representing their beliefs about the outcome. The price of a contract reflects the probability of that outcome occurring, as perceived by the collective wisdom of the market participants. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. The more traders believe an outcome is likely, the higher the price of its corresponding contract will rise. This creates a dynamic pricing system that responds to new information and changing expectations regarding the ACA credits and House control.
This market resolves around Nov 4, 2026, with the outcome confirmed once the event is verifiable from credible public reporting. Specifically, the resolution will depend on whether ACA premium tax credits are extended and which party controls the House of Representatives following the 2026 elections. The result will be determined by official election results and legislative action regarding the ACA credits, as reported by reputable news sources and government agencies. The market will then settle based on these verified outcomes.
Several key signals and events could significantly move this market. Major economic shifts, unexpected political developments, and changes in public opinion regarding healthcare policy could all influence trader sentiment. Significant legislative action related to the ACA, or prominent endorsements and campaign finance reports, would also likely cause price fluctuations. Furthermore, any major scandals or unforeseen events involving key political figures could quickly reshape the probabilities reflected in this market, as traders adjust their expectations leading up to the 2026 elections.