PolymarketOtherLikely noiseUpdated 6m ago

Will the Tampa Bay Rays win the 2026 World Series?

As of Oct 25, 2026, 12:32 AM ET, Polymarket priced this market at 15.6% (down from 36.4% 24 hours earlier). It had $50.6K traded in the past 24 hours, $112.1K of order-book liquidity and a bid-ask spread of 2.0 pts. probcast.co rates the support behind this price as moderate.

Market probability
15.6%
−20.8 percentage points
over 24 hours36.4% → 15.6%
Moving fastBig move, weak backingResolving soon

Deep, easy-to-trade market — today's move came from a small group of accounts.

Price historyPolymarket

Source: Polymarket price history

How credible was the move?

Methodology →

Move validity

Moderate

Consensus stability

Unsettled

Contract clarity

High

Can you trust this price?

Two different questions: how hard the price is to move, and whose trading set it.

Market capacity

How hard is it to move this price?

DeepTight spread

Order-book liquidity

$112.1K

Bid-ask spread

2.0 pts

24h volume

$50.6K

Total volume

$1.1M

It would take roughly $4.9K of buying to move the price up by ~5 pts.

Lots of money on the book and a tight spread — a single ordinary order can't move this price much.

Who's trading

Whose opinion is this price?

A few accounts
33%of the traded money came from the single largest account

Accounts

64

Trades

200

over 16h

Largest order

$1.5K

$13.2K traded across these 200 trades (last 16h).

A small group of accounts did most of the trading — neither one whale nor a broad crowd.

Recent trade activity$13.2K traded

From the latest trade tape (most recent 200 prints) — a live activity sample, not a lifetime total.

What this market actually measures

This market will resolve according to the team that wins the 2026 MLB World Series. If at any point it becomes impossible for a listed team to win the 2026 MLB World Series per the rules of MLB (e.g., they are eliminated in the playoffs), the corresponding market will resolve to “No”.

This summary shows the opening of the venue's official rules. ProbCast has not yet generated an independent plain-English interpretation for this contract — review the full rules before relying on it.

View full official resolution rules

This market will resolve according to the team that wins the 2026 MLB World Series. If at any point it becomes impossible for a listed team to win the 2026 MLB World Series per the rules of MLB (e.g., they are eliminated in the playoffs), the corresponding market will resolve to “No”. If the 2026 MLB season is cancelled, postponed after December 31, 2026 ET, or there is otherwise no winner declared within that timeframe, this market will resolve to “Other”. The primary resolution source will be official information from MLB (https://www.mlb.com/); however, a consensus of credible reporting may also be used.

Resolution source: mlb.com

Why the odds moved

The probability fell 20.8 percentage points over the last 24 hours (36.4% → 15.6%).

No verified catalyst has been linked to this move yet. ProbCast does not attribute moves to news without evidence connecting the timing of a specific report to the repricing.

What could move this market next?

  • The market's deadline arrivesOctober 31, 2026 at 7:55 PM ET

    The contract must resolve based on what has happened by this date.

  • Confirmation at the resolution source (mlb.com)

    The rules name this source as the basis for settlement.

Derived from the contract's own mechanics as of Oct 25, 12:38 AM ET. ProbCast does not list scheduled meetings, announcements, or data releases it cannot verify.

Advanced analysis (experimental)

Research signals — these models are still accumulating the history needed for full validation, and they can disagree with the headline read. Model confidence: medium · expected error ±25 pts.

Reacting to newsLegacy movement classifier: noisy

What's happening

high classifier confidence
Reacting to news

The price is actively repricing on real volume. The number is still moving — don't treat the latest print as settled consensus yet.

  • Probability moved 20.8 pts in ≤6h on adequate liquidity

Read the latest price with caution; conditions make it an unreliable summary right now.

More details — reliability score, dynamics, durability
Reliability score
25Low
Where the price path tends to go nextmodel estimate
  • Trend continuation38%
  • Stable consensus30%
  • News repricing16%

Short-term motion of the price line (~1h), distinct from the environment above — not a prediction of the final outcome.

DurabilityMedium· half-life <1h
PredictabilityElevated irreducibility

Secondary read: leaning toward Trending.

A read-only classification of the market environment — how much weight the current price deserves as a read of consensus. It describes conditions, never a trade.

Change (pts)1H-3.06H-20.824H-20.87D-20.8

Related markets