Same market, different prices
Polymarket, Kalshi, and Limitless often price the same outcome differently — sometimes by 3–8 percentage points. Mantis finds the gap automatically.
Prediction Markets
Political Prediction Markets — 2026 Midterms & More
The 2026 US midterms are 5 months out and prediction market prices for House and Senate control vary across Polymarket, Kalshi, and PredictIt. Mantis queries all venues at once so you always see the full cross-venue picture — not just one platform's line.
Why cross-venue comparison matters
Best line, not just any line
Every market card links to the highest-liquidity venue first so you can execute on the tightest spread, not just the venue you happen to use.
One search, all venues
Type any question at mantiss.store — no account required. The MCP API lets AI agents route market questions programmatically.
Featured Political Prediction Markets — 2026 Midterms & More
Markets below are sorted by liquidity. Click a title to see the full cross-venue comparison — current probabilities, spread, and direct trade links.
Polymarket
2026 Balance of Power: D Senate, D House
62% YES
Liquidity $2.4M
Polymarket
2026 Balance of Power: R Senate, D House
30% YES
Liquidity $1.8M
Polymarket
2026 Balance of Power: R Senate, R House
9% YES
Liquidity $1.6M
Polymarket
Will Donald Trump Jr. win the 2028 US Presidential Election
1% YES
Liquidity $980K
Polymarket
Will the U.S. invade Iran before 2027
16% YES
Liquidity $945K
Polymarket
Putin out as President of Russia by December 31, 2026
3% YES
Liquidity $710K
Polymarket
Will Ivanka Trump win the 2028 Republican presidential nomination
1% YES
Liquidity $656K
Polymarket
Will China invade Taiwan by end of 2026
2% YES
Liquidity $649K
Polymarket
Will the Republicans win the Texas Senate race in 2026
37% YES
Liquidity $436K
Polymarket
Will the Democrats win the Texas Senate race in 2026
63% YES
Liquidity $344K
Polymarket
Will David Lisnard win the 2027 French presidential election
13% YES
Liquidity $289K
Polymarket
US x Iran ceasefire continues through October 12
95% YES
Liquidity $248K
Polymarket
Will the Democrats win the Michigan Senate race in 2026
70% YES
Liquidity $215K
Polymarket
US x Iran ceasefire continues through October 31
75% YES
Liquidity $181K
Polymarket
Will Yair Lapid be the next Prime Minister of Israel
1% YES
Liquidity $152K
Polymarket
US-Iran Final Nuclear Deal by October 31, 2026
2% YES
Liquidity $149K
Polymarket
US-Iran ceasefire continues through the midterms
73% YES
Liquidity $127K
Polymarket
US x Iran ceasefire continues through October 15
92% YES
Liquidity $121K
All Politics Prediction Market Hubs
Every curated politics hub — each with live cross-venue odds, market context, and FAQ. Jump to a topic to compare prices across Polymarket, Kalshi, Limitless and more.
FAQ
Where can I find 2026 midterm prediction markets?
Mantis aggregates midterm markets (House control, Senate control, individual Senate seats) from Polymarket, Kalshi, and PredictIt. Prices often differ by 2–5 percentage points across venues — Mantis detects these gaps automatically.
Does Mantis route trades directly?
Mantis is a comparison and routing layer — the final trade happens on your chosen venue. Every outbound link preserves referral attribution so the platform earns from your click.