Wyoming Senate 2026

Name: 2026 Wyoming U.S. Senate election
Start: 2026-11-03
End: 2026-11-03
Location: Wyoming

Cynthia Lummis (R) · retiring · Cook PVI R+23 · last result 72.85% R

Safe RShare card

Democratic

James W. Byrd

1¢

Polymarket price

Wikipedia bio

James W. Byrd II is an American politician and former Democratic member of the Wyoming House of Representatives, representing the 44th district from 2009 to 2019.

Source: James W. Byrd

Republican

Harriet Hageman

99¢

Polymarket price

Wikipedia bio

Harriet Maxine Hageman is an American politician and attorney serving as the U.S. representative for Wyoming's at-large congressional district since 2023. She is the Republican nominee for the 2026 United States Senate election in Wyoming, seeking to succeed incumbent Cynthia Lummis.

Source: Harriet Hageman

Polymarket · Harriet Hageman (R) · 99¢. The contract price, not a forecast model.

Desk notes

Generated from the sourced figures on this page. Not a separate report.

Cynthia Lummis (R) is the incumbent, retiring. The ratings consensus is Safe R. Cook’s cell is dated Oct 6, 2026. 10 forecaster cells are stored. Kalshi Harriet Hageman 99¢ (mid). Polymarket Harriet Hageman 99¢ (mid). The 2024 presidential margin in this state was R+45.8. The 2020 presidential margin in this state was R+43.4.

Polling average

No polling average for this race. That is an empty state, not a tie.

Ratings

Cook Political ReportOct 6, 2026Solid R
Sabato's Crystal BallOct 14, 2026Safe R
Inside ElectionsOct 15, 2026Solid R
Decision Desk HQOct 19, 2026Safe R
RealClearPoliticsOct 12, 2026Solid R
Silver BulletinOct 19, 2026Solid R
FiftyPlusOneOct 19, 2026Safe R
The EconomistOct 19, 2026Safe R
Fox NewsOct 13, 2026Solid R
Split TicketOct 19, 2026Safe R

Quoted from the Wikipedia predictions table, not scraped from the raters.

Markets

Raw yes-prices. Not vig-adjusted. Contracts under 1¢ are omitted.

KalshiKalshiOct 20, 10:14 AM EDT

Harriet Hageman99¢mid · spread 1¢

PolymarketPolymarketOct 20, 10:14 AM EDT

Harriet Hageman (R)99¢mid · spread 1¢
James W. Byrd (D)1¢mid · spread 2¢

PredictIt is off. Its terms limit the feed to non-commercial use.

Price history

through Oct 20, 9:44 AM EDT

WindowSep 20, 10:00 AM EDT

KalshiHarriet Hageman 99¢ at Oct 20, 9:44 AM EDT· Kalshi public candlesticks · 46 hours

PolymarketHarriet Hageman 99¢ at Oct 20, 9:44 AM EDT· Polymarket CLOB prices-history · 686 hours

PolymarketJames W. Byrd 1¢ at Oct 20, 9:44 AM EDT· hourly pull · 21 hours

Marker Oct 5, 8:00 PM EDT · Rating dated Oct 6, 2026

Marker Oct 18, 8:00 PM EDT · Rating dated Oct 19, 2026

Marker Oct 12, 8:00 PM EDT · Rating dated Oct 13, 2026

Marker Oct 14, 8:00 PM EDT · Rating dated Oct 15, 2026

Marker Oct 11, 8:00 PM EDT · Rating dated Oct 12, 2026

Marker Oct 13, 8:00 PM EDT · Rating dated Oct 14, 2026

Scale is fixed at 0–100¢. Hourly closes. A dashed line is a rating date or a poll end date stored on this race. Times are US Eastern.

Money

No FEC snapshot for this race.

Recent polls

No individual polls in this snapshot.

What changed

market
Wyoming Senate: the stored prices were compared and no contract moved by a full cent.
market
Wyoming Senate: the stored prices were compared and no contract moved by a full cent.
market
Wyoming Senate: the stored prices were compared and no contract moved by a full cent.
market
Wyoming Senate: the stored prices were compared and no contract moved by a full cent.

Results

Results appear here once official returns start on election night, November 3, 2026.

Counts will come from civicAPI, which compiles official state election offices. A winner is shown only when civicAPI projects one, labelled as such.

Official results: Wyoming election office ↗

Updated Oct 20, 10:10 AM EDT · snapshot Oct 20, 10:10 AM EDT · mode live