Will the Republican Party win the popular vote in the 2026 U.S. House of Representatives midterm elections by between 0% and 2%?
Probability
10¢
1h
+0.0pp
24h
+0.1pp
24h Vol
$55.00
Liquidity
$13.5K
Canonical status
confidence: highSource status (Polymarket)
Derived status (Orrery)
Reason
Active market, expiry beyond the near-expiry window.
Resolution & Risk
LOW risk- End date
- Nov 3, 2026
- UMA status
- n/a
- Resolution source
- Primaryto the popular vote margin of victory between the Democratic Party and the Republican Party in the US House of RepresentTypeAmbiguous wordingConfidenceextracted · low
- Market type
- Multi-outcome (neg-risk)
- Part of a multi-outcome event (neg-risk): only one market can resolve YES.
Probability (last 7 days)
-17.5pp 7dWhy did it move?
Structured · 2 factors- 01Active signal
Resolution-risk observation firing
Resolution source is ambiguous or relies on public-figure statements — verify before treating price as the market view.
- 02Liquidity
Thin liquidity
Only $13.5k of visible book — small orders can move the line. Treat the probability as a soft estimate.
What to track next
- Verify the resolution source on this page — exchange feed, official release, news consensus — before treating any move as new information.
Verification actions only — never trade recommendations.
Each factor is grounded in a single named metric you can verify on this page — probability, volume, liquidity, signal, resolution state. No predictions, no prose hallucinations.
Resolution & Risk
LOW risk- End date
- Nov 3, 2026
- UMA status
- n/a
- Resolution source
- Primaryto the popular vote margin of victory between the Democratic Party and the Republican Party in the US House of RepresentTypeAmbiguous wordingConfidenceextracted · low
- Market type
- Multi-outcome (neg-risk)
- Part of a multi-outcome event (neg-risk): only one market can resolve YES.
Timeline
critical · price · trade flowCritical
- Nov 3, 00:00 UTCScheduled resolutionLOW
Market resolves in 4049.9h
- 06:06SignalLOW
Resolution risk
Resolution source is ambiguous or relies on public-figure statements — verify before treating price as the market view.
Price movement
+0.1pp over the last 24h, now 10¢.
Biggest hourly move: -22.2pp at May 15, 15:00 UTC (to 8¢).
Show top 8 of 58 hourly moves
- 09:00 · -10.2pp → 10¢
- May 16, 15:00 UTC · -11.2pp → 8¢
- May 15, 16:00 UTC · -15.1pp → 6¢
- May 15, 15:00 UTC · -22.2pp → 8¢
- May 15, 05:00 UTC · -13.6pp → 13¢
- May 15, 03:00 UTC · -12.6pp → 12¢
- May 15, 01:00 UTC · -11.2pp → 11¢
- May 14, 23:00 UTC · -18.9pp → 20¢
Active signals
Recent Trades
No recent trades visible from the Data API for this market. That usually means liquidity is thin or this market is between event windows.
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Market Description
This market will resolve according to the popular vote margin of victory between the Democratic Party and the Republican Party in the US House of Representatives midterm elections, scheduled for November 3, 2026. For the purpose of this market, the “popular vote margin of victory” is defined as the absolute difference between the percentage of valid votes cast for all Democratic Party House candidates and the percentage of valid votes cast for all Republican Party House candidates in this election. The percentage of the valid votes cast for each party’s House candidates will be determined by dividing the total number of valid votes that party’s House candidates receive by the sum of all valid votes cast for U.S. House candidates in the election. Only votes cast for candidates for U.S. Representative (voting members of the House of Representatives from districts in the 50 states) will be considered; votes for Delegates and the Resident Commissioner will not be considered. If the reported value falls exactly between two brackets, then this market will resolve to the higher range bracket. This market will resolve based on the vote totals as published by the US Clerk of the House. Any recount included in the Clerk of the House’s publication will be considered. If the US House of Representatives midterm elections do not take place by June 30, 2027, 11:59 PM ET, this market will resolve to "Other". The resolution source for this market will be the 2026 midterm election results published by the US Clerk of the House (https://history.house.gov/Institution/Election-Statistics/). If the 2026 midterm elections take place, and the Clerk of the House does not publish the results of this election by June 30, 2027, 11:59 PM ET, another credible resolution source may be chosen.
Why this category?
confidence: highCategory
Source
Matched term
midterm electionReason
Election markets are Politics.
Categories come from a deterministic engine: manual overrides (highest priority) → sports hard markers → event-tag rules → keyword rules → Gamma category hint → default. The engine is versioned in category-overrides.ts; methodology lives at /methodology.
FAQ — questions readers actually ask
What is the current Polymarket probability for "Will the Republican Party win the popular vote in the 2026 U.S. House of Representatives midterm elections by between 0% and 2%?"?
As of Mon, 18 May 2026 06:06:01 GMT, YES is priced at 10% implied probability on Polymarket. The price changed +0.1pp in the last 24 hours, +0.0pp in the last hour, and -17.5pp in the last 7 days.
When does this market resolve?
This market resolves by Nov 3, 2026 (2026-11-03T00:00:00.000Z). Resolution is determined from the market description on Polymarket.
What source determines the outcome?
Resolution is sourced from the market description on Polymarket. Polymarket's UMA optimistic oracle is the final settlement layer; if the published source is ambiguous, UMA tokenholders adjudicate. Source-extraction confidence is shown in the Resolution & Risk block above.
How much is being traded on this market?
$55.00 of trading volume in the last 24 hours. Lifetime volume on Polymarket: $918.76. Open liquidity in the YES/NO orderbooks: $13.5K. Spread between best bid and best ask: 0.5¢.
Is this a trade recommendation?
No. Orrery describes — never predicts. Every signal on this market carries explicit Evidence, Backtest, and Action tiers. The Action is always one of: Watch only, Inspect timeline, Create alert, Verify source, or Ignore — never Buy or Sell. The probability above is the market's collective implied probability, not a forecast Orrery is publishing.
How fresh is this data and where does it come from?
This page revalidates from the public Polymarket APIs every 30 seconds. Probability and 24h-change come from Gamma; the chart series comes from the CLOB orderbook history; trade and holder data come from the Data API. The fetched-at timestamp on each block tells you exactly how old the underlying upstream pull was.
Alerts
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