Polymarket market

Polymarket MLS: 2026 Western Conference Champion odds

On Polymarket, the favourite is Vancouver Whitecaps FC, at 39%. The market settles by Dec 12, 2026, and $15 traded in the last 24 hours. Each contract pays $1 if it is right, so 39¢ reads as a 39% chance. Polymarket US and Kalshi list it too, and we compare the prices below.

Trade on Polymarket

Close-only for US residents

Also on Kalshi: Kalshi's page

Also on Polymarket US: Polymarket US's page

Polymarket · odds · updated

Vancouver Whitecaps FC39%
St. Louis City SC17%
Houston Dynamo FC10%
San Jose Earthquakes8%
FC Dallas8%

All 15 outcomes ↓

Also priced on Polymarket US and Kalshi: compare them

$15
24h volume on Polymarket
$6K
total volume on Polymarket
14
open of 15 outcomes
Dec 12, 2026
settles

Polymarket odds on every outcome

Polymarket odds on each outcome of MLS: 2026 Western Conference Champion
OutcomeChanceYes price24h volume
Vancouver Whitecaps FC compare 39%39¢$15Trade
St. Louis City SC17%17¢$0Trade
Houston Dynamo FC10%10¢$0Trade
San Jose Earthquakes8%8¢$0Trade
FC Dallas8%8¢$0Trade
Los Angeles FC8%8¢$0Trade
Seattle Sounders FC4%4¢$0Trade
Real Salt Lake4%4¢$0Trade
Colorado Rapids3%3¢$0Trade
Sporting Kansas City3%3¢$0Trade
Show 5 more outcomes
Polymarket odds on each outcome of MLS: 2026 Western Conference Champion
OutcomeChanceYes price24h volume
San Diego FC2%2¢$0Trade
Austin FC2%2¢$0Trade
Portland Timbers1%1¢$0Trade
LA Galaxy1%1¢$0Trade
Minnesota United FC––$0Trade
Close-only for US residents

Chance is each outcome's Yes price on Polymarket. A Yes contract at 39¢ pays $1 if that outcome wins.

Polymarket vs Kalshi on this question

The same question on each venue: Polymarket, Polymarket US and Kalshi. When the prices differ, the cheaper side costs you less for the same payout.

Yes: Will Vancouver Whitecaps FC win the 2026 MLS Western Conference?: price on each venue, the fee, 24h volume and liquidity, with a link to trade
VenueYesNoFee24h volumeLiquidity
PolymarketClose-only for US residents39¢61¢1.2¢$15$2KTrade →
Polymarket USUS residents only38¢cheapest to buy63¢1.6¢––Trade →
Kalshi$50 bonus38¢cheapest to buy63¢1.6¢$12–Trade →
Updated Fee: the taker fee on one contract at the price shown, as each venue publishes it; Polymarket’s is its international book, and Polymarket US charges its own (0.0695 × price × (1 − price) to takers, nothing to makers).

Full comparison

How the odds have moved

Polymarket · Vancouver Whitecaps FC
39%▼ 3.5 pts since Oct 18
Yes price
Oct 1835% – 46% scaleOct 25

Polymarket's own series for the outcome the headline prices, from where its history starts; one venue, not a blend.

How this market resolves

Polymarket's own settlement wording, in full. This, not the headline, decides who gets paid.

Show the full rules

This market will resolve according to the team that wins the 2026 MLS Western Conference (the Western Conference club that advances to MLS Cup 2026 by winning the Western Conference Final).

If at any point it becomes impossible for a listed team to win the 2026 MLS Western Conference per the rules of MLS (e.g., they are eliminated from the Western Conference playoffs), the corresponding market will resolve to "No".

If the 2026 MLS season is cancelled, postponed after December 31, 2026, 11:59 PM ET, or there is otherwise no Western Conference champion 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.

Scheduled resolution: Dec 12, 2026.

How to trade this market on Polymarket

  1. Check your state first. Several states restrict sports contracts.
  2. Open a Polymarket account. Americans trade on Polymarket US. Our Polymarket review covers sign-up and payouts.
  3. Buy Yes or No at the price shown, 39¢ for Vancouver Whitecaps FC right now. Each contract pays $1 if you are right.
  4. Sell any time before it settles, or hold to the result. Polymarket's fees apply to each trade.
Close-only for US residents

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Common questions

What are the Polymarket odds on MLS: 2026 Western Conference Champion?

On Polymarket, the favourite is Vancouver Whitecaps FC, at 39%. That is a market-implied probability, not a forecast, and it moves as traders buy and sell.

How does this market resolve?

By Polymarket's own settlement rules for this market. Two venues can word the same question differently and settle differently, so read them before you trade.

Is this question on Kalshi too?

Yes. It trades on Polymarket US and Kalshi. Kalshi's page has its prices and rules. Our side-by-side page shows every venue’s prices and rules.

Can I trade this market in my state?

In most states, yes, on Polymarket US. Sports contracts are the exception: several states restrict them. Check your state first.

How accurate are Polymarket odds?

Often more accurate than polls, though never certain. A price of 70% should lose three times in ten. How accurate prediction markets are has the research.

What does it cost to trade on Polymarket?

A taker fee on most markets, largest near 50¢, and some categories charge nothing. Polymarket's fees has the detail.