Will Sporting Kansas City win the 2026 MLS Cup?
No meaningful repricing — the probability is steady.
The pricing is supported by healthy trading volume and market depth.
How credible was the move?
Three separate questions — a move can be genuine while the latest price is still settling. Methodology →
Move validity
Is the move backed by real trading and depth?
StrongThe pricing is supported by healthy trading volume and market depth.
Consensus stability
Has the market settled at the new probability?
StableThe probability has held near its current level over the past several hours.
Contract clarity
Will the rules resolve without ambiguity?
HighThe resolution rules are relatively specific, with a named source and a defined deadline.
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 MLS Cup. If at any point it becomes impossible for a listed team to win the 2026 MLS Cup per the rules of MLS (e.g.
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 MLS Cup. If at any point it becomes impossible for a listed team to win the 2026 MLS Cup per the rules of MLS (e.g. they are mathematically eliminated), the corresponding market will resolve to “No”. If the 2026 MLS 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 Major League Soccer; however, a consensus of credible reporting may also be used.
What could move this market next?
- The market's deadline arrivesDecember 18, 2026 at 7:00 PM ET
The contract must resolve based on what has happened by this date.
Derived from the contract's own mechanics as of Sep 13, 12:06 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: high · expected error ±10 pts.
What's happening
Liquid, two-sided, and calm. The current price reads as settled consensus — the latest print is a reasonable summary of what the market believes.
- Liquid, two-sided, and calm — price behaving as settled consensus
The latest price is a usable but caveated read — weigh it with the market state.
More details — reliability score, dynamics, durability
- Stable consensus94%
- Choppy / mean-reverting4%
- Trend continuation1%
Short-term motion of the price line (~1h), distinct from the environment above — not a prediction of the final outcome.
Secondary read: leaning toward Quote-driven.
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.
Market data
24h volume
$53.2K
Liquidity
$30K
Total volume
$122.1K
- Category
- Macro / Fed
- Venue
- Polymarket
- Open interest
- —
- Spread
- 0.0 pts
- Best bid
- 0.1%
- Best ask
- 0.1%
- 7-day range
- 0.1% – 0.1%
- Resolves
- Dec 18, 2026