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.

Why do Polymarket and Kalshi differ on elections?

Kalshi must follow CFTC compliance — strict definitions, clear resolution sources, US citizens only with KYC. Polymarket operates globally without CFTC oversight — deeper liquidity, but also higher regulatory risk.

Baltimore Orioles vs. Cincinnati Reds

Name: Baltimore Orioles vs. Cincinnati Reds
Start: 2026-06-29T13:02:48.618Z
End: 2026-07-12T17:05:00.000Z

Platform comparison

Platform	YES odds	NO odds	Fee	KYC	Settlement
Polymarket (via Trump Prediction) Pick polygram.ink (preferred broker)	100%	0%	0% (USDC on-chain)	No-KYC up to $1,500	USDC, auto via UMA oracle	Live odds →
Polymarket (direct) polymarket.com	100%	0%	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 Spread -1.5	100%
O/U 4.5	69%
Spread -1.5	54%
O/U 5.5	53%
Extra Innings	50%
Spread -2.5	50%
O/U 6.5	43%
O/U 7.5	30%
Baltimore Orioles vs. Cincinnati Reds	26%
O/U 8.5	24%
Spread -1.5	16%
O/U 9.5	14%
1st 5 Innings Spread -1.5	1%
1st 5 Innings Spread -2.5	1%
1st 5 Innings Spread -2.5	1%
1st 5 Innings O/U 2.5	1%
1st 5 Innings O/U 3.5	1%
1st 5 Innings O/U 4.5	1%
1st 5 Innings O/U 5.5	1%
1st 5 Innings O/U 6.5	1%
NRFI	0%

Market context

The Baltimore Orioles vs. Cincinnati Reds prediction market currently prices this outcome at 100% YES. In the upcoming MLB game between the Baltimore Orioles and Cincinnati Reds, scheduled for July 5 at 1:05PM ET: This market will resolve to "Baltimore Orioles" if the Baltimore Orioles win the game. …

Live Data & Statistics

The Polymarket order book prices 1st 5 Innings Spread -1.5 at 100% for "Baltimore Orioles vs. Cincinnati Reds".

1st 5 Innings Spread -1.5 100% Other 0%

Live stats load when the match begins. Current market odds are shown above. Trading volume: $175K.

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 Baltimore Orioles vs. Cincinnati Reds 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.
Why do Polymarket and Kalshi differ on elections?: Kalshi must follow CFTC compliance — strict definitions, clear resolution sources, US citizens only with KYC. Polymarket operates globally without CFTC oversight — deeper liquidity, but also higher regulatory risk.

Sarah MitchellPolitical Markets Writerand

James WilliamsPrediction Market Analyst

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Baltimore Orioles vs. Cincinnati Reds

Platform comparison

Outcome probabilities

Market context

Live Data & Statistics

Methodology

Resolution & payout

FAQ

Trade Baltimore Orioles vs. Cincinnati Reds on Trump Prediction

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