How accurate are political prediction markets?

Historically more accurate than polls. Polymarket's Brier score on US 2024 elections was ~0.11 — better than 538 (~0.14) and every mainstream poll. Markets aggregate information with real skin in the game.

Can prediction markets influence election outcomes?

Markets reflect expectations rather than create them. Studies show public-facing markets can anchor expectations, but don't influence the underlying outcome. Political markets are information, not advocacy.

Which platform has the deepest political liquidity?

Polymarket — by far. US 2024 presidential volume was ~$3.5B vs Kalshi (~$200M) and Betfair (~$120M). Where Polymarket is geo-blocked, brokers like Trump Prediction route into the same order book at 0% fees.

How fast do political markets react to news?

High-liquidity markets move within seconds to minutes. A Trump tweet on the economy can shift the "Trump 2024" market 2-5 points before mainstream media has written anything.

Which political events have the biggest volume?

US Presidential election, party nominations (DNC/RNC), Senate majorities, individual state outcomes (Pennsylvania, Michigan, Wisconsin), and major European elections. Peak markets reach $50-500M per event.

Kansas City Royals vs. Minnesota Twins | Trump Prediction — 79% likely

Name: Kansas City Royals vs. Minnesota Twins
Start: 2026-07-22T13:00:47.000Z
End: 2026-08-04T23:40:00.000Z

Platform comparison

Platform	YES odds	NO odds	Fee	KYC	Settlement
Polymarket (via Trump Prediction) Pick polygram.ink (preferred broker)	79%	21%	0% (USDC on-chain)	No-KYC up to $1,500	USDC, auto via UMA oracle	Live odds →
Polymarket (direct) polymarket.com	79%	21%	0%	Geo-blocked in US/UK/EU	USDC, on-chain	Live odds →
Kalshi kalshi.com	—	—	Up to 7% per trade	US-only, KYC required	USD	Live odds →
Betfair Exchange betfair.com	—	—	2-5% commission	Full KYC from first trade	GBP / EUR	Live odds →
Manifold Markets manifold.markets	—	—	Play-money (mana)	None — play-money	Mana (no cash-out)	Live odds →

Outcome probabilities

Current market-implied probability for each outcome, from the live order book.

Outcome	Probability
1st 5 Innings O/U 2.5	79%
1st 5 Innings O/U 3.5	67%
1st 5 Innings O/U 4.5	55%
O/U 8.5	55%
NRFI	50%
Spread -1.5	45%
O/U 9.5	44%
1st 5 Innings O/U 5.5	43%
1st 5 Innings Spread -1.5	40%
Kansas City Royals vs. Minnesota Twins	38%
O/U 10.5	38%
Spread -2.5	34%
1st 5 Innings O/U 6.5	31%
Spread -1.5	28%
1st 5 Innings Spread -1.5	24%
Spread -2.5	20%
Extra Innings	9%

Market context

Live Polymarket data shows 79% YES probability for Kansas City Royals vs. Minnesota Twins. In the upcoming MLB game between the Kansas City Royals and Minnesota Twins, scheduled for July 28 at 7:40PM ET: This market will resolve to "Kansas City Royals" if the Kansas City Royals win the gam…

Live Data & Statistics

The Polymarket order book prices 1st 5 Innings O/U 2.5 at 79% for "Kansas City Royals vs. Minnesota Twins".

1st 5 Innings O/U 2.5 79% Other 21%

Live stats load when the match begins. Current market odds are shown above. Trading volume: $324K.

Methodology

Political prediction markets differ structurally from sports betting: thinner liquidity, longer settlement windows, higher sensitivity to single news events. This page shows the live Polymarket quote for Kansas City Royals vs. Minnesota Twins plus platform attributes for the three reference venues, so you can see at a glance where the deepest market for this question sits.

Resolution & payout

Political markets typically settle on official candidate or agency confirmation. Polymarket uses UMA Optimistic Oracle: a proposer posts the outcome with a bond, the two-hour window opens, then the smart contract pays USDC.

Kalshi settles USD via CFTC clearinghouse, with clearly defined resolution sources (e.g. AP race calls for elections). Betfair settles after the official outcome is registered with the league or agency. Manifold is play-money.

FAQ

How accurate are political prediction markets?: Historically more accurate than polls. Polymarket's Brier score on US 2024 elections was ~0.11 — better than 538 (~0.14) and every mainstream poll. Markets aggregate information with real skin in the game.
Can prediction markets influence election outcomes?: Markets reflect expectations rather than create them. Studies show public-facing markets can anchor expectations, but don't influence the underlying outcome. Political markets are information, not advocacy.
Which platform has the deepest political liquidity?: Polymarket — by far. US 2024 presidential volume was ~$3.5B vs Kalshi (~$200M) and Betfair (~$120M). Where Polymarket is geo-blocked, brokers like Trump Prediction route into the same order book at 0% fees.
How fast do political markets react to news?: High-liquidity markets move within seconds to minutes. A Trump tweet on the economy can shift the "Trump 2024" market 2-5 points before mainstream media has written anything.
Which political events have the biggest volume?: US Presidential election, party nominations (DNC/RNC), Senate majorities, individual state outcomes (Pennsylvania, Michigan, Wisconsin), and major European elections. Peak markets reach $50-500M per event.

Sarah MitchellPolitical Markets Writerand

James WilliamsPrediction Market Analyst

Trade Kansas City Royals vs. Minnesota Twins on Trump Prediction

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Kansas City Royals vs. Minnesota Twins

Platform comparison

Outcome probabilities

Market context

Live Data & Statistics

Methodology

Resolution & payout

FAQ

Trade Kansas City Royals vs. Minnesota Twins on Trump Prediction

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