Updated Oct 16, 2026, 1:45 PM ET
House · 3 November 2026

PA-15 House 2026

96.1% RGlenn Thompson leads TruthIndex™Safe R
Polymarket
95.8%
Kalshi
96.4%
Spread
0.5 pts
24h
–
7 days
+0.1
Updated
Oct 16, 2026, 1:45 PM ET
Latest coverage

Live News

Recent coverage for PA-15 House.

Glenn Thompson, last 60 days

How to read this chart

The green line is the TruthIndex™, the chance of this outcome. It combines the prices on both venues and gives more weight to the venue with more money in its order book. The two thinner lines are Polymarket's and Kalshi's own prices, and the grey band between them shows how far apart the two venues are.

The pale bands behind the lines are the rating zones (Toss-up, Lean, Likely and Safe), so you can see when the race moved from one rating to another. Move along the chart, or use the arrow keys, to read the values for each day.

More in Methodology
TruthIndex™PolymarketKalshiGap between the venuesRating zones

All outcomes

OutcomeTruthIndex™PolymarketKalshiSpread24h
RGlenn Thompson 96.1% 95.8% 96.4% 0.5 pts –
DRay Bilger 3.9% 3.9% 3.8% 0.2 pts –

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Candidates & Background

Glenn Thompson

Glenn Thompson

Republican U.S. Representative for Pennsylvania's 15th congressional district (since 2019)

Glenn Thompson, a Republican who has served in the U.S. House since 2009 and chairs the House Agriculture Committee, is seeking re-election in Pennsylvania's 15th district in 2026 against Democrat Ray Bilger, a former intelligence officer.

Born 1959 · Bellefonte, Pennsylvania

Ray Bilger

Democratic

Ray Bilger, a Democrat and former intelligence officer, is the Democratic nominee for Pennsylvania's 15th congressional district in 2026, challenging Republican incumbent Glenn Thompson in the November general election.

Margin of victory

Each venue's margin market, shown on its own: the two venues set their ranges differently.

Kalshi650 contracts

Pennsylvania's 15th District margin of victory

Thompson, 23+ pts
88.1%
Thompson, 26+ pts
77.5%
Thompson, 29+ pts
63.5%
Thompson, 32+ pts
47.5%
Thompson, 35+ pts
31.5%
Thompson, 38+ pts
20.0%
Thompson, 41+ pts
8.7%
Thompson, 44+ pts
4.0%
Thompson, 47+ pts
5.5%
implied
Source: Kalshi market

Polymarket$14.2K traded

PA-15 House Election Margin of Victory

Democrat Wins
0.3%
Republican 0-10%
3.0%
Republican 10-20%
3.7%
Republican 20-25%
–
Republican 25-30%
25.5%
Republican 30-35%
30.5%
Republican 35-40%
24.0%
Republican 40-45%
–
Republican 45-50%
1.5%
Republican 50%+
4.5%
Source: Polymarket market

Each venue's market

Polymarket$30.1K traded

Prices which party wins.

Glenn Thompson: Counted · bid 94.9% / ask 96.8% · $1.4K within 5 pts

This market will resolve according to the party of the candidate who wins the PA-15 congressional district seat in the U.S. House of Representatives in the 2026 midterm elections. The midterm elections will take place on November 3, 2026. ​A candidate's party will be determined by their ballot-listed or otherwise identifiable affiliation with that party at the time all of the 2026 House elections are conclusively called by this market's resolution sources. A candidate without a ballot-listed affiliation to either the Democrat or Republican parties will be considered a member of one of these parties based on the party with which they most recently expressed their intent to caucus at the time all of the House elections are conclusively called by this market's resolution sources. This market will resolve based on the result of the election as indicated by a consensus of credible reporting. If there is ambiguity, this market will resolve based solely on the official results as reported by the United States government, specifically the Federal Election Commission (https://www.fec.gov/).

Full rules on Polymarket

Kalshi10.1K contracts traded

Prices which party wins.

Glenn Thompson: Counted · bid 95.3% / ask 97.4% · $1.1K within 5 pts

Contract shown: Glenn Thompson

If the House member sworn in for PA-15 for the term beginning in 2027 is a member of the Republican Party, then the market resolves to Yes.

This market is eligible for accelerated determination after a consensus of media organizations project the winner. See full rules for details.

Full rules on Kalshi