CA-13
CA-13 House winner? (2026)
20k contracts traded · 8.0k open
California’s 13th District
California’s 13th, a Central Valley district Democrat Adam Gray flipped by a hair, now prices as a hold rather than the toss-up its Cook rating implies — the market has the Democratic side deep in favorite territory. Incumbency plus a favorable midterm environment does the work here. The contract reads more as a barometer of how safe the Democratic House map is than a live coin flip.
CA-13 House winner? (2026)
20k contracts traded · 8.0k open
How to read this
Each contract pays $1 at resolution, so the price in cents is the market’s implied probability — a 58¢ contract is a 58% chance. When the leading price sits near 50¢, the market is telling you the district is a genuine coin flip.
The live board above shows the current market favorite — read each contract’s price as the market’s implied probability, so a 55¢ contract is a 55% chance. Going into the cycle the seat (California’s 13th District) is held by Adam Gray (Democrat) and rated safe d; because a real-money market reprices continuously, take today’s favorite off the price, not a static rating.
Kalshi lists the CA-13 House winner as YES/NO contracts, one per party, each settling at $1 if that side wins and $0 if it doesn’t. Buy the side you think is underpriced relative to your own probability, and the difference is your edge. Kalshi is CFTC-regulated and open to traders in all 50 states; every price on this page links straight to the live market.
Prediction markets had a strong 2024 — Kalshi and Polymarket called all seven presidential swing states correctly the night before, often while the polling averages were still split. Our full state-by-state scorecard, including where the markets missed, is in the 2024 accuracy audit linked below, and it’s the best base rate for how much to trust the CA-13 contract this cycle.
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