Balance of Power
2026 Midterms: Congress Balance of Power?
8992k contracts traded · 5567k open

Every real-money midterm market in one place — 34 Senate races (plus Louisiana, no market yet), 66 competitive House districts, chamber seat count distributions, and the balance of power combo. Kalshi prices are CFTC-regulated. Polymarket prices shown for cross-platform comparison where available.
Updated Aug 5, 5:51 AM UTC
55¢
Democratic party
46¢
Republican party
Democratic party leads at 55¢ — the highest-volume race the market still can’t call. When the leading price sits this close to a coin flip on real money, that’s where the edge lives.
The honest map nobody else builds: every Senate seat and every House seat accounted for, flagged by whether a real market exists — live, thin, no market yet, or not up for grabs in 2026. Toggle Senate / House, hover for a summary, click a state for the full race detail and live Kalshi prices.
The single highest-stakes midterm market — four outcomes covering who controls the Senate and House after November. Each contract pays $1 if the exact combo resolves true. The Kalshi book sits beside the Polymarket combos below so you can read the cross-platform spread at a glance.
2026 Midterms: Congress Balance of Power?
8992k contracts traded · 5567k open
Polymarket · Balance of Power
Trade on Polymarket →Polymarket chamber control
Polymarket · Senate Control
Polymarket · House Control
Every Class 2 Senate seat on the ballot in November 2026, plus the Ohio and Florida specials — sorted by how close the market is to 50/50, the most contested races first. A tight spread (40¢/60¢ or closer) signals a genuinely two-way race where the market hasn’t found consensus. That’s where the edge lives.
Rather than a simple binary, these markets let you position on the exact seat count each party holds after January 2027. Strikes run low-to-high — the distribution shape tells you where the market sees the realistic ceiling and floor, and divergences from the polling models are your signal.
How many House seats will Republicans hold after the 2026 Midterms?
2328k contracts traded · 1629k open
How many House seats will Democrats hold after the 2026 Midterms?
961k contracts traded · 697k open
Will Republicans lose the House majority before the midterms?
39k contracts traded · 19k open
The most competitive House districts on Kalshi — sorted by how close the current pricing is to a coin flip. Most are genuine swing seats in Arizona, California, New York, Pennsylvania, Texas, and Virginia. Incumbency, presidential approval, and the national environment all flow through these prices in real time.
VA-01 House winner? (2026)
28k contracts traded · 11k open
PA-01 House winner? (2026)
13k contracts traded · 10k open
NC-01 House winner? (2026)
19k contracts traded · 9.0k open
MI-04 House winner? (2026)
6.9k contracts traded · 3.5k open
MT-01 House winner? (2026)
19k contracts traded · 8.0k open
ME-02 House winner? (2026)
28k contracts traded · 13k open
NY-17 House winner? (2026)
28k contracts traded · 21k open
TX-15 House winner? (2026)
87k contracts traded · 67k open
AZ-02 House winner? (2026)
10k contracts traded · 4.6k open
PA-07 House winner? (2026)
22k contracts traded · 16k open
IA-01 House winner? (2026)
6.6k contracts traded · 3.2k open
Alaska At-Large House winner? (2026)
31k contracts traded · 12k open
PA-10 House winner? (2026)
14k contracts traded · 7.7k open
CA-22 House winner? (2026)
47k contracts traded · 31k open
NJ-07 House winner? (2026)
25k contracts traded · 14k open
AZ-06 House winner? (2026)
16k contracts traded · 8.1k open
TX-28 House winner? (2026)
44k contracts traded · 24k open
IN-01 House winner? (2026)
23k contracts traded · 12k open
MI-03 House winner? (2026)
6.2k contracts traded · 4.1k open
NV-01 House winner? (2026)
13k contracts traded · 4.1k open
VA-07 House winner? (2026)
9.7k contracts traded · 2.4k open
CA-21 House winner? (2026)
13k contracts traded · 10k open
CA-45 House winner? (2026)
24k contracts traded · 15k open
NJ-09 House winner? (2026)
7.6k contracts traded · 3.4k open
NY-18 House winner? (2026)
15k contracts traded · 2.5k open
CA-03 House winner? (2026)
19k contracts traded · 12k open
CT-05 House winner? (2026)
4.0k contracts traded · 2.7k open
CA-49 House winner? (2026)
14k contracts traded · 8.6k open
13,407,896
contracts traded across the 2026 U.S. Senate, House, and chamber-control prediction markets on Kalshi.
179,871
Traded · 24h
8,602,085
Open interest
30
Live races
Where the money’s going — most-active races (24h)
Derived from live Kalshi and Polymarket public market data. Volume is contract count, not dollars. Reporters and researchers: these figures are free to cite with attribution to PredictionMarketsPicks. Updated hourly.
Reads & Analysis
Kalshi's McConnell resignation market is spiking on health headlines. But the contract settles on resignation, not health — and a death pays last traded price, not YES. Dane on why The 7 Oracles are on NO.
Read articleA dedicated page for each marquee Senate race — the live Kalshi price as implied probability, the market read, and how accurately the markets called that state in 2024. More races roll out through the summer.
Georgia Senate 2026 →
Jon Ossoff (D) · Likely D
Michigan Senate 2026 →
Gary Peters (D) · Lean D
North Carolina Senate 2026 →
Thom Tillis (R) · Likely D
Maine Senate 2026 →
Susan Collins (R) · Lean D
New Hampshire Senate 2026 →
Jeanne Shaheen (D) · Lean D
Minnesota Senate 2026 →
Tina Smith (D) · Safe D
Iowa Senate 2026 →
Joni Ernst (R) · Likely R
Texas Senate 2026 →
John Cornyn (R) · Toss-up
Alaska Senate 2026 →
Dan Sullivan (R) · Toss-up
Nebraska Senate 2026 →
Pete Ricketts (R) · Lean R
Ohio Senate 2026 →
Jon Husted (appointed 2025) (R) · Toss-up
Florida Senate 2026 →
Ashley Moody (appointed 2025) (R) · Likely R
Alabama Senate 2026 →
Tommy Tuberville (R) · Safe R
Arkansas Senate 2026 →
Tom Cotton (R) · Safe R
Colorado Senate 2026 →
John Hickenlooper (D) · Safe D
Delaware Senate 2026 →
Chris Coons (D) · Safe D
Idaho Senate 2026 →
Jim Risch (R) · Safe R
Illinois Senate 2026 →
Dick Durbin (D) · Safe D
Kansas Senate 2026 →
Roger Marshall (R) · Safe R
Kentucky Senate 2026 →
Mitch McConnell (R) · Safe R
Massachusetts Senate 2026 →
Ed Markey (D) · Safe D
Mississippi Senate 2026 →
Cindy Hyde-Smith (R) · Safe R
Montana Senate 2026 →
Steve Daines (R) · Safe R
New Jersey Senate 2026 →
Cory Booker (D) · Safe D
New Mexico Senate 2026 →
Ben Ray Lujan (D) · Safe D
Oklahoma Senate 2026 →
Alan Armstrong (R) · Safe R
Oregon Senate 2026 →
Jeff Merkley (D) · Safe D
Rhode Island Senate 2026 →
Jack Reed (D) · Safe D
South Carolina Senate 2026 →
Darline Graham Nordone (appointed 2026) (R) · Likely R
South Dakota Senate 2026 →
Mike Rounds (R) · Safe R
Tennessee Senate 2026 →
Bill Hagerty (R) · Safe R
Virginia Senate 2026 →
Mark Warner (D) · Safe D
West Virginia Senate 2026 →
Shelley Moore Capito (R) · Safe R
Wyoming Senate 2026 →
Cynthia Lummis (R) · Safe R
A dedicated page for each of the House districts that will decide the chamber — the live Kalshi price as implied probability, the flip-or-hold market read, and the sitting member.
AZ-01 House 2026 →
David Schweikert (R) · Lean D
AZ-06 House 2026 →
Juan Ciscomani (R) · Likely D
CA-13 House 2026 →
Adam Gray (D) · Safe D
CA-45 House 2026 →
Derek Tran (D) · Likely D
CO-08 House 2026 →
Gabe Evans (R) · Likely D
IA-01 House 2026 →
Mariannette Miller-Meeks (R) · Lean D
ME-02 House 2026 →
Jared Golden (D) · Lean R
MI-07 House 2026 →
Tom Barrett (R) · Likely D
NC-01 House 2026 →
Donald Davis (D) · Toss-up
NE-02 House 2026 →
Don Bacon (R) · Likely D
NM-02 House 2026 →
Gabe Vasquez (D) · Safe D
NY-04 House 2026 →
Laura Gillen (D) · Likely D
OH-09 House 2026 →
Marcy Kaptur (D) · Lean D
OH-13 House 2026 →
Emilia Sykes (D) · Safe D
PA-07 House 2026 →
Ryan Mackenzie (R) · Lean D
PA-10 House 2026 →
Scott Perry (R) · Lean D
TX-34 House 2026 →
Vicente Gonzalez (D) · Lean D
WA-03 House 2026 →
Marie Gluesenkamp Perez (D) · Lean D
34 of the 35 Senate seats up in 2026 have tradeable Kalshi markets, including the Ohio (Vance seat) and Florida (Rubio seat) Class 3 specials. Only Louisiana has no tradeable market yet — just an empty shell that we re-probe on a schedule.
No. Of the 435 House seats, 66 competitive districts have individual Kalshi markets. The other 369 seats have no individual market and are priced only through the chamber seat-count and balance-of-power markets.
15 states have no 2026 Senate race: Arizona, California, Connecticut, Hawaii, Indiana, Maryland, Missouri, Nevada, New York, North Dakota, Pennsylvania, Utah, Vermont, Washington, and Wisconsin. Their Class 1 and Class 3 seats are not on the 2026 ballot.
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