Skip to main content

To trade in the US, go to polymarket.us

icon for Republican House odds hit __ by October 31?

Republican House odds hit __ by October 31?

icon for Republican House odds hit __ by October 31?

Republican House odds hit __ by October 31?

NEW
Oct 31, 2026
Polymarket

$1,351 Vol.

Polymarket

12%

$125 Vol.

55%

15%

$319 Vol.

21%

20%

$908 Vol.

14%

This market will resolve to "Yes" if the Republican Party's hourly odds value in the "House Control 2026" listing on PredictionMarketOdds.com meets or exceeds the listed threshold for 4 consecutive hourly odds values, all published for a datapoint between market creation and November 1, 2026, 12:00 AM ET. Otherwise, this market will resolve to "No". An hourly odds value is the value in the "Odds of Happening" column that PredictionMarketOdds.com publishes for an option for a one-hour "Time Window (ET)", as shown on the listing page and in the "Odds History" graph on that option's detail page. Hourly odds values are compared at the precision published by PredictionMarketOdds.com (one tenth of a percent). An hour in which the Republican Party's hourly odds value is below the listed threshold ends any run of consecutive hourly odds values. Hours for which PredictionMarketOdds.com publishes no hourly odds value for the Republican Party (shown as "NO_PRINT") will be disregarded and will neither count toward nor end a run of consecutive hourly odds values. If PredictionMarketOdds.com permanently ceases publishing hourly odds values for the Republican Party in the "House Control 2026" listing before November 1, 2026, 12:00 AM ET, including by removing the Republican Party from the listing, this market will resolve based on the hourly odds values published up to that point. If no hourly odds values have been published for the Republican Party between market creation and November 1, 2026, 12:00 AM ET, this market will resolve to "No". If the underlying market is officially decided before the listed end date, this market will resolve to "Yes" if the Republican Party is the outcome of the underlying market and otherwise to "No". If a published hourly odds value is clearly erroneous as a result of a technical or operational error, this market may remain open for up to an additional 48 hours after that value is first published to allow for a correction. A corrected value will be used in place of the original. If no correction is published within that period, the original value will stand, and revisions published after that period will not be considered. The resolution source for this market is PredictionMarketOdds.com, specifically the hourly odds values for the Republican Party in the "House Control 2026" listing at https://predictionmarketodds.com/house-control-2026.html and on the Republican Party's detail page, reached by clicking the option's name in the listing. Prices shown on any individual prediction market will not be considered.Republicans enter the final stretch before the November 3, 2026, midterm elections defending a narrow House majority of roughly 218-220 seats against Democrats. Trader sentiment on Republican retention probabilities reflects consistent Democratic leads on the generic congressional ballot, typically in the 3- to 9-point range, alongside President Trump's approval ratings hovering near or below 40 percent. Historical patterns show the president's party often loses seats in the first midterm, amplified here by voter concerns over cost-of-living pressures and economic conditions. Mid-decade redistricting has delivered a modest structural edge to Republicans in several states, narrowing the projected seat swing, while low turnout among key blocs and a limited number of truly competitive districts add uncertainty. Fresh polling aggregates and economic releases through late October will likely drive further shifts in implied probabilities ahead of the October 31 cutoff.

This market will resolve to "Yes" if the Republican Party's hourly odds value in the "House Control 2026" listing on PredictionMarketOdds.com meets or exceeds the listed threshold for 4 consecutive hourly odds values, all published for a datapoint between market creation and November 1, 2026, 12:00 AM ET. Otherwise, this market will resolve to "No".

An hourly odds value is the value in the "Odds of Happening" column that PredictionMarketOdds.com publishes for an option for a one-hour "Time Window (ET)", as shown on the listing page and in the "Odds History" graph on that option's detail page. Hourly odds values are compared at the precision published by PredictionMarketOdds.com (one tenth of a percent). An hour in which the Republican Party's hourly odds value is below the listed threshold ends any run of consecutive hourly odds values.

Hours for which PredictionMarketOdds.com publishes no hourly odds value for the Republican Party (shown as "NO_PRINT") will be disregarded and will neither count toward nor end a run of consecutive hourly odds values. If PredictionMarketOdds.com permanently ceases publishing hourly odds values for the Republican Party in the "House Control 2026" listing before November 1, 2026, 12:00 AM ET, including by removing the Republican Party from the listing, this market will resolve based on the hourly odds values published up to that point.

If no hourly odds values have been published for the Republican Party between market creation and November 1, 2026, 12:00 AM ET, this market will resolve to "No".

If the underlying market is officially decided before the listed end date, this market will resolve to "Yes" if the Republican Party is the outcome of the underlying market and otherwise to "No".

If a published hourly odds value is clearly erroneous as a result of a technical or operational error, this market may remain open for up to an additional 48 hours after that value is first published to allow for a correction. A corrected value will be used in place of the original. If no correction is published within that period, the original value will stand, and revisions published after that period will not be considered.

The resolution source for this market is PredictionMarketOdds.com, specifically the hourly odds values for the Republican Party in the "House Control 2026" listing at https://predictionmarketodds.com/house-control-2026.html and on the Republican Party's detail page, reached by clicking the option's name in the listing. Prices shown on any individual prediction market will not be considered.
This market will resolve to "Yes" if the Republican Party's hourly odds value in the "House Control 2026" listing on PredictionMarketOdds.com meets or exceeds the listed threshold for 4 consecutive hourly odds values, all published for a datapoint between market creation and November 1, 2026, 12:00 AM ET. Otherwise, this market will resolve to "No". An hourly odds value is the value in the "Odds of Happening" column that PredictionMarketOdds.com publishes for an option for a one-hour "Time Window (ET)", as shown on the listing page and in the "Odds History" graph on that option's detail page. Hourly odds values are compared at the precision published by PredictionMarketOdds.com (one tenth of a percent). An hour in which the Republican Party's hourly odds value is below the listed threshold ends any run of consecutive hourly odds values. Hours for which PredictionMarketOdds.com publishes no hourly odds value for the Republican Party (shown as "NO_PRINT") will be disregarded and will neither count toward nor end a run of consecutive hourly odds values. If PredictionMarketOdds.com permanently ceases publishing hourly odds values for the Republican Party in the "House Control 2026" listing before November 1, 2026, 12:00 AM ET, including by removing the Republican Party from the listing, this market will resolve based on the hourly odds values published up to that point. If no hourly odds values have been published for the Republican Party between market creation and November 1, 2026, 12:00 AM ET, this market will resolve to "No". If the underlying market is officially decided before the listed end date, this market will resolve to "Yes" if the Republican Party is the outcome of the underlying market and otherwise to "No". If a published hourly odds value is clearly erroneous as a result of a technical or operational error, this market may remain open for up to an additional 48 hours after that value is first published to allow for a correction. A corrected value will be used in place of the original. If no correction is published within that period, the original value will stand, and revisions published after that period will not be considered. The resolution source for this market is PredictionMarketOdds.com, specifically the hourly odds values for the Republican Party in the "House Control 2026" listing at https://predictionmarketodds.com/house-control-2026.html and on the Republican Party's detail page, reached by clicking the option's name in the listing. Prices shown on any individual prediction market will not be considered.
Volume
$1,351
End Date
Nov 1, 2026
Market Opened
Sep 21, 2026, 9:11 PM ET
This market will resolve to "Yes" if the Republican Party's hourly odds value in the "House Control 2026" listing on PredictionMarketOdds.com meets or exceeds the listed threshold for 4 consecutive hourly odds values, all published for a datapoint between market creation and November 1, 2026, 12:00 AM ET. Otherwise, this market will resolve to "No". An hourly odds value is the value in the "Odds of Happening" column that PredictionMarketOdds.com publishes for an option for a one-hour "Time Window (ET)", as shown on the listing page and in the "Odds History" graph on that option's detail page. Hourly odds values are compared at the precision published by PredictionMarketOdds.com (one tenth of a percent). An hour in which the Republican Party's hourly odds value is below the listed threshold ends any run of consecutive hourly odds values. Hours for which PredictionMarketOdds.com publishes no hourly odds value for the Republican Party (shown as "NO_PRINT") will be disregarded and will neither count toward nor end a run of consecutive hourly odds values. If PredictionMarketOdds.com permanently ceases publishing hourly odds values for the Republican Party in the "House Control 2026" listing before November 1, 2026, 12:00 AM ET, including by removing the Republican Party from the listing, this market will resolve based on the hourly odds values published up to that point. If no hourly odds values have been published for the Republican Party between market creation and November 1, 2026, 12:00 AM ET, this market will resolve to "No". If the underlying market is officially decided before the listed end date, this market will resolve to "Yes" if the Republican Party is the outcome of the underlying market and otherwise to "No". If a published hourly odds value is clearly erroneous as a result of a technical or operational error, this market may remain open for up to an additional 48 hours after that value is first published to allow for a correction. A corrected value will be used in place of the original. If no correction is published within that period, the original value will stand, and revisions published after that period will not be considered. The resolution source for this market is PredictionMarketOdds.com, specifically the hourly odds values for the Republican Party in the "House Control 2026" listing at https://predictionmarketodds.com/house-control-2026.html and on the Republican Party's detail page, reached by clicking the option's name in the listing. Prices shown on any individual prediction market will not be considered.Republicans enter the final stretch before the November 3, 2026, midterm elections defending a narrow House majority of roughly 218-220 seats against Democrats. Trader sentiment on Republican retention probabilities reflects consistent Democratic leads on the generic congressional ballot, typically in the 3- to 9-point range, alongside President Trump's approval ratings hovering near or below 40 percent. Historical patterns show the president's party often loses seats in the first midterm, amplified here by voter concerns over cost-of-living pressures and economic conditions. Mid-decade redistricting has delivered a modest structural edge to Republicans in several states, narrowing the projected seat swing, while low turnout among key blocs and a limited number of truly competitive districts add uncertainty. Fresh polling aggregates and economic releases through late October will likely drive further shifts in implied probabilities ahead of the October 31 cutoff.

This market will resolve to "Yes" if the Republican Party's hourly odds value in the "House Control 2026" listing on PredictionMarketOdds.com meets or exceeds the listed threshold for 4 consecutive hourly odds values, all published for a datapoint between market creation and November 1, 2026, 12:00 AM ET. Otherwise, this market will resolve to "No".

An hourly odds value is the value in the "Odds of Happening" column that PredictionMarketOdds.com publishes for an option for a one-hour "Time Window (ET)", as shown on the listing page and in the "Odds History" graph on that option's detail page. Hourly odds values are compared at the precision published by PredictionMarketOdds.com (one tenth of a percent). An hour in which the Republican Party's hourly odds value is below the listed threshold ends any run of consecutive hourly odds values.

Hours for which PredictionMarketOdds.com publishes no hourly odds value for the Republican Party (shown as "NO_PRINT") will be disregarded and will neither count toward nor end a run of consecutive hourly odds values. If PredictionMarketOdds.com permanently ceases publishing hourly odds values for the Republican Party in the "House Control 2026" listing before November 1, 2026, 12:00 AM ET, including by removing the Republican Party from the listing, this market will resolve based on the hourly odds values published up to that point.

If no hourly odds values have been published for the Republican Party between market creation and November 1, 2026, 12:00 AM ET, this market will resolve to "No".

If the underlying market is officially decided before the listed end date, this market will resolve to "Yes" if the Republican Party is the outcome of the underlying market and otherwise to "No".

If a published hourly odds value is clearly erroneous as a result of a technical or operational error, this market may remain open for up to an additional 48 hours after that value is first published to allow for a correction. A corrected value will be used in place of the original. If no correction is published within that period, the original value will stand, and revisions published after that period will not be considered.

The resolution source for this market is PredictionMarketOdds.com, specifically the hourly odds values for the Republican Party in the "House Control 2026" listing at https://predictionmarketodds.com/house-control-2026.html and on the Republican Party's detail page, reached by clicking the option's name in the listing. Prices shown on any individual prediction market will not be considered.
This market will resolve to "Yes" if the Republican Party's hourly odds value in the "House Control 2026" listing on PredictionMarketOdds.com meets or exceeds the listed threshold for 4 consecutive hourly odds values, all published for a datapoint between market creation and November 1, 2026, 12:00 AM ET. Otherwise, this market will resolve to "No". An hourly odds value is the value in the "Odds of Happening" column that PredictionMarketOdds.com publishes for an option for a one-hour "Time Window (ET)", as shown on the listing page and in the "Odds History" graph on that option's detail page. Hourly odds values are compared at the precision published by PredictionMarketOdds.com (one tenth of a percent). An hour in which the Republican Party's hourly odds value is below the listed threshold ends any run of consecutive hourly odds values. Hours for which PredictionMarketOdds.com publishes no hourly odds value for the Republican Party (shown as "NO_PRINT") will be disregarded and will neither count toward nor end a run of consecutive hourly odds values. If PredictionMarketOdds.com permanently ceases publishing hourly odds values for the Republican Party in the "House Control 2026" listing before November 1, 2026, 12:00 AM ET, including by removing the Republican Party from the listing, this market will resolve based on the hourly odds values published up to that point. If no hourly odds values have been published for the Republican Party between market creation and November 1, 2026, 12:00 AM ET, this market will resolve to "No". If the underlying market is officially decided before the listed end date, this market will resolve to "Yes" if the Republican Party is the outcome of the underlying market and otherwise to "No". If a published hourly odds value is clearly erroneous as a result of a technical or operational error, this market may remain open for up to an additional 48 hours after that value is first published to allow for a correction. A corrected value will be used in place of the original. If no correction is published within that period, the original value will stand, and revisions published after that period will not be considered. The resolution source for this market is PredictionMarketOdds.com, specifically the hourly odds values for the Republican Party in the "House Control 2026" listing at https://predictionmarketodds.com/house-control-2026.html and on the Republican Party's detail page, reached by clicking the option's name in the listing. Prices shown on any individual prediction market will not be considered.
Volume
$1,351
End Date
Nov 1, 2026
Market Opened
Sep 21, 2026, 9:11 PM ET

Beware of external links.

Frequently Asked Questions

"Republican House odds hit __ by October 31?" is a prediction market on Polymarket with 3 possible outcomes where traders buy and sell shares based on what they believe will happen. The current leading outcome is "12%" at 55%, followed by "15%" at 21%. Prices reflect real-time crowd-sourced probabilities. For example, a share priced at 55¢ implies that the market collectively assigns a 55% chance to that outcome. These odds shift continuously as traders react to new developments and information. Shares in the correct outcome are redeemable for $1 each upon market resolution.

"Republican House odds hit __ by October 31?" is a newly created market on Polymarket, launched on Sep 21, 2026. As an early market, this is your opportunity to be among the first traders to set the odds and establish the market's initial price signals. You can also bookmark this page to track volume and trading activity as the market gains traction over time.

To trade on "Republican House odds hit __ by October 31?," browse the 3 available outcomes listed on this page. Each outcome displays a current price representing the market's implied probability. To take a position, select the outcome you believe is most likely, choose "Yes" to trade in favor of it or "No" to trade against it, enter your amount, and click "Trade." If your chosen outcome is correct when the market resolves, your "Yes" shares pay out $1 each. If it's incorrect, they pay out $0. You can also sell your shares at any time before resolution if you want to lock in a profit or cut a loss.

The current frontrunner for "Republican House odds hit __ by October 31?" is "12%" at 55%, meaning the market assigns a 55% chance to that outcome. The next closest outcome is "15%" at 21%. These odds update in real-time as traders buy and sell shares, so they reflect the latest collective view of what's most likely to happen. Check back frequently or bookmark this page to follow how the odds shift as new information emerges.

The resolution rules for "Republican House odds hit __ by October 31?" define exactly what needs to happen for each outcome to be declared a winner — including the official data sources used to determine the result. You can review the complete resolution criteria in the "Rules" section on this page above the comments. We recommend reading the rules carefully before trading, as they specify the precise conditions, edge cases, and sources that govern how this market is settled.