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Tampa Bay Rays vs. Baltimore Orioles

How the prediction markets are pricing "Tampa Bay Rays vs. Baltimore Orioles" right now — live Polymarket order book quote, plus platform comparison.

1st 5 Innings O/U 2.5 73% 1st 5 Innings O/U 3.5 60% O/U 7.5 54% NRFI 49% Volume: $216K Liquidity: $2.3M Closes: 28 Aug 2026
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Tampa Bay Rays vs. Baltimore Orioles

Platform comparison

PlatformYES oddsNO oddsFeeKYCSettlement
Polymarket (via Trump Prediction) Pick
polygram.ink (preferred broker)
73% 27% 0% (USDC on-chain) No-KYC up to $1,500 USDC, auto via UMA oracle Live odds →
Polymarket (direct)
polymarket.com
73% 27% 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.

OutcomeProbability
1st 5 Innings O/U 2.573%
1st 5 Innings O/U 3.560%
O/U 7.554%
NRFI49%
Tampa Bay Rays vs. Baltimore Orioles48%
1st 5 Innings O/U 4.546%
O/U 8.545%
Spread -1.536%
1st 5 Innings O/U 5.535%
Spread -1.535%
O/U 9.535%
1st 5 Innings Spread -1.531%
1st 5 Innings Spread -1.526%
Spread -2.526%
Spread -2.525%
1st 5 Innings O/U 6.524%
Extra Innings10%

Market context

Tampa Bay Rays vs. Baltimore Orioles. The market is currently pricing the outcome at 48% YES, meaning crowd-implied probability sits at that level. Settlement is scheduled for 2026-08-28T23:15:00Z. Unlike a sportsbook, the price you see is set by buyers and sellers competing in a live order book — there is no house edge or bookmaker margin to fade.

Sports outcome markets resolve from official league data once the contest finishes. Pricing typically tightens through the warm-up window as line-ups, weather, and starting-pitcher data become public, then moves on goals or runs in real time.

Watch for the underlying catalysts that move this category: each official announcement, dataset release, or scheduled milestone generally produces a step change in the implied probability. Trades execute instantly on Polygon, and shares pay $1 each at resolution if your side wins.

Live Data & Statistics

The Polymarket order book prices 1st 5 Innings O/U 2.5 at 73% for "Tampa Bay Rays vs. Baltimore Orioles".

1st 5 Innings O/U 2.5 73% Other 27%

Live stats load when the match begins. Current market odds are shown above. Trading volume: $216K.

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 Tampa Bay Rays vs. Baltimore Orioles 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

For political markets the resolution source is decisive. Polymarket defines a concrete source per contract (e.g. AP, Reuters, official electoral commission) and uses the UMA Optimistic Oracle as the on-chain dispute mechanism. With a clearly defined outcome the USDC payout lands within minutes of the final confirmation.

UK Frequently Asked Questions

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.
What resolution source is used for elections?
Polymarket defines the source per contract — usually Associated Press (AP Race Call), Reuters or the official electoral commission. The source is stated in contract details before the market opens.
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.
Are UK election prediction markets available from the UK?
Yes. Betfair Exchange and Smarkets offer UKGC-regulated UK election markets (seat counts, party share, constituency results). Polymarket also lists UK election contracts with deeper global liquidity. Betfair winnings are typically tax-free for UK individuals; Polymarket profits are subject to HMRC CGT.
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