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Connecticut Sun vs. Seattle Storm

Comparison of odds and platforms for "Connecticut Sun vs. Seattle Storm" — sourced live from the Polymarket order book, curated by PolyGram.

100% YES 0% NO Volume: $410K Liquidity: $421K Closes: 21 May 2026
Trade on PolyGram →

Platform comparison

PlatformYES oddsNO oddsFeeKYCSettlement
PolyGram Pick
polygram.ink
100% 0% 0% (USDC on-chain) No-KYC up to $1,500 USDC, auto via UMA oracle Open on PolyGram →
Polymarket
polymarket.com
100% 0% 0% Geo-blocked in US/UK/EU USDC, on-chain Open on PolyGram →
Kalshi
kalshi.com
Up to 7% per trade US-only, KYC required USD Open on PolyGram →
Betfair Exchange
betfair.com
2-5% commission Full KYC from first trade GBP / EUR Open on PolyGram →
Manifold Markets
manifold.markets
Play-money (mana) None — play-money Mana (no cash-out) Open on PolyGram →

Live odds for Polymarket-based markets come from the Polygon order book. Non-Polymarket venues show attributes only; clicking any row opens the market on PolyGram.

Active sub-markets

Connecticut Sun vs. Seattle Storm100% YES0% NO
Spread -2.50% YES100% NO
O/U 165.50% YES100% NO
O/U 167.50% YES100% NO
O/U 168.50% YES100% NO
Spread -1.50% YES100% NO

Market context

The Connecticut Sun are scheduled to play the Seattle Storm in a WNBA regular-season game, and the market will resolve to whichever side wins on the court. A 100% YES price implies the event is already effectively treated as certain to resolve on one of the two teams, so the key issue is not outcome classification but whether the game is completed as scheduled. Recent comparable meetings have tilted towards Seattle: the Storm won both 2025 regular-season match-ups cited in the search results, 79-59 and 97-81, while historical head-to-head data still shows Connecticut with a narrow long-run edge across the full series.

For context, traders should watch official WNBA and team announcements on venue, tip-off timing and any postponement or rescheduling. If the game is delayed but later played, the market stays open until completion; if it is cancelled outright with no make-up, the settlement falls back to 50-50 under the rules given. On the regulatory side, German GlüStV treatment can materially affect whether a user can access or continue to use a given venue, while US CFTC reach matters because federally regulated derivatives rules can still touch marketing, access or offering structure even when the underlying is a sports event. For this specific market, “no-KYC up to $1,500” means smaller accounts may be able to use the platform without identity verification until cumulative activity or withdrawal thresholds are crossed, which can widen access but does not change the settlement mechanics.

Sources: 1 · 2 · 3 · 4 · 5

Methodology

We track Connecticut Sun vs. Seattle Storm on the five venues with material liquidity for prediction markets. Live odds come from the Polymarket Polygon order book — the only source that ships real-time data under an open licence. For Kalshi, Betfair and Manifold we list platform attributes (fee, KYC, settlement, payment) instead of fabricated odds, because their APIs use non-comparable contract definitions.

Resolution & payout

At resolution the UMA oracle takes over: a proposer posts the outcome with a bond, any token holder can dispute within two hours. Without dispute the result is accepted and the smart contract distributes USDC instantly.

On Kalshi (CFTC-regulated) resolution runs through their in-house clearing engine in USD. Betfair Exchange settles after match end in the account's local currency. Manifold pays no cash — only its in-platform "mana" currency.

FAQ

Where can I trade this market with the lowest fees?
On PolyGram, which mirrors the Polymarket order book at 0% fees. Kalshi charges up to 7% per trade; Betfair Exchange takes 2-5% commission on net winnings.
Is this market available outside the US?
PolyGram is available in most jurisdictions where Polymarket isn't directly accessible. Polymarket itself is geo-blocked in the US/UK/EU. Always check local regulations.
How does resolution work?
Through the UMA Optimistic Oracle on Polygon: a proposer submits the outcome, a two-hour challenge window opens, and USDC payouts settle automatically once the result is final.
What's the difference between YES and NO shares?
A YES share pays $1.00 if the event happens, $0 otherwise. A NO share pays $1.00 if the event doesn't happen. The market price between 0¢ and 100¢ is the implied probability.
How reliable are the quoted odds?
The YES/NO percentages are the live mid-prices of the Polymarket order book. On deep markets they move every few seconds; on thinner ones you'll see short plateaus.

Trade Connecticut Sun vs. Seattle Storm on PolyGram

Live order book, 0% fees, USDC settlement in seconds.

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