2026 Hawaii · U.S. House

HI-01 House race odds

As of Oct 2, 2026, prediction markets give Democrat Ed Case a 97% chance of winning the 2026 race for HI-01 over Republican Adriel Lam (Kalshi 98%, Polymarket 96%).

Updated · prices refresh every 10 minutes

Ed Case (D)97%
Adriel Lam (R) 3%
Market rating
Safe D
Kalshi (D / R)
97.9% / 2.1%
Polymarket (D / R)
96.5% / 3.5%
Gap between exchanges
1.4 pts
Election Day
Nov 3, 2026 (32 days)

Price history

Democratic odds are essentially unchanged since Oct 2, 2026.

0%25%50%75%100%Oct 2Oct 2Oct 2
KalshiPolymarketDemocratic odds, Oct 2 – Oct 2

Every candidate, by exchange

Each exchange's prices rescaled to add up to 100%. Kalshi prices are the bid–ask midpoint; Polymarket prices are its displayed price.

Kalshi open market ↗

OutcomeChanceVolume
Ed Case (D)97.9%$17
Adriel Lam (R)2.1%$85

Polymarket open market ↗

OutcomeChanceVolume
Ed Case (D)96.5%$15K
Adriel Lam (R)3.5%$26K

Questions about this race

Who is favored to win the 2026 HI-01 House race?

As of Oct 2, 2026, prediction markets give Democrat Ed Case a 97% chance of winning the 2026 race for HI-01 over Republican Adriel Lam (Kalshi 98%, Polymarket 96%).

What do Kalshi and Polymarket say?

Kalshi: Democrats 98%, Republicans 2%. Polymarket: Democrats 96%, Republicans 4%. The two exchanges differ by 1.4 points.

How have the odds moved this week?

Democratic odds are essentially unchanged since Oct 2, 2026.

When is the 2026 election?

Election Day is Nov 3, 2026, 32 days from now.

Other Hawaii races in 2026

Closest House races in 2026

Data

Cite as: Parlay the People, “2026 HI-01 House race,” https://parlaythepeople.com/2026/house/hi-1/, accessed Oct 2, 2026. Prediction-market prices are crowd forecasts, not certainties, and nothing here is betting or investment advice.