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Seattle Storm vs. Los Angeles Sparks

Polymarket vs Kalshi vs Betfair vs Smarkets for "Seattle Storm vs. Los Angeles Sparks" — live odds, fees and KYC side-by-side.

O/U 172.5 55% O/U 173.5 53% Spread -3.5 53% Spread -4.5 50% Volume: $98K Liquidity: $203K Closes: 7 Jul 2026
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Seattle Storm vs. Los Angeles Sparks

Platform comparison

PlatformYES oddsNO oddsFeeKYCSettlement
Polymarket (via Robinhood Prediction Markets) Pick
polygram.ink (preferred broker)
 55% 45% 0% (USDC on-chain) No-KYC up to $1,500 USDC, auto via UMA oracle Go to the live market →
Polymarket (direct)
polymarket.com
 55% 45% 0% Geo-blocked in US/UK/EU USDC, on-chain Go to the live market →
Kalshi
kalshi.com
 — — Up to 7% per trade US-only, KYC required USD Go to the live market →
Betfair Exchange
betfair.com
 — — 2-5% commission Full KYC from first trade GBP / EUR Go to the live market →
Manifold Markets
manifold.markets
 — — Play-money (mana) None — play-money Mana (no cash-out) Go to the live market →

Outcome probabilities

Current market-implied probability for each outcome, from the live order book.

OutcomeProbability
O/U 172.555%
O/U 173.553%
Spread -3.553%
Spread -4.550%
O/U 174.549%
Dominique Malonga: Points O/U 18.548%
Awa Fam: Points O/U 12.548%
Rae Burrell: Points O/U 16.548%
Dearica Hamby: Points O/U 15.547%
Seattle Storm vs. Los Angeles Sparks39%
Dearica Hamby: Rebounds O/U 7.533%
Dearica Hamby: Points O/U 14.533%
Nneka Ogwumike: Rebounds O/U 7.532%
Natisha Hiedeman: Assists O/U 4.532%
Rae Burrell: Points O/U 15.531%
Awa Fam: Points O/U 11.531%
Natisha Hiedeman: Points O/U 15.530%
Dominique Malonga: Points O/U 17.530%
Nneka Ogwumike: Points O/U 17.529%
Dominique Malonga: Rebounds O/U 8.527%
Awa Fam: Rebounds O/U 5.526%

Market context

Traders on decentralised prediction markets give 55% probability to seattle storm vs. los angeles sparks. In the upcoming WNBA game, scheduled for July 6 at 10:00PM ET: If the Seattle Storm win, the market will resolve to "Seattle Storm". If the Los Angeles Sparks win, the market will resolve to "Los Ange…

Live Data & Statistics

The Polymarket order book prices O/U 172.5 at 55% for "Seattle Storm vs. Los Angeles Sparks".

O/U 172.5 55% Other 45%

Live stats load when the match begins. Current market odds are shown above. Trading volume: $98K.

Methodology

This page compares Seattle Storm vs. Los Angeles Sparks specifically across Polymarket, Kalshi, Betfair Exchange and Smarkets. The live probability is the Polymarket mid; the comparison columns summarise each venue's fee structure, KYC, settlement currency and payment rails. Every CTA routes to Robinhood Prediction Markets, which mirrors the Polymarket order book at 0% fees.

Resolution & payout

Polymarket settles via UMA Optimistic Oracle on Polygon. A proposer posts the outcome with a bond, the two-hour window runs, then the smart contract pays USDC.

Kalshi settles USD through the CFTC-regulated clearinghouse — the cleanest variant, with heavier KYC. Betfair Exchange settles in account currency (GBP/EUR), net of 2-5% commission. Smarkets follows the same model as Betfair with a lower default 2% commission.

FAQ

What does Polymarket cost vs Kalshi?
Polymarket: 0% fees, only Polygon network costs (~$0.01/trade). Kalshi: up to 7% per trade plus spread. For high-frequency traders, Polymarket is dramatically cheaper.
Is Betfair a Polymarket alternative?
Only partially. Betfair Exchange is UK-focused with a sports-betting emphasis; they have politics markets but with thinner liquidity than Polymarket. Settlement in GBP/EUR, 2-5% commission on winnings.
What about Smarkets as an alternative?
Smarkets is a UK betting exchange with a lower default commission (2%) than Betfair. Liquidity on political markets is below Polymarket, comparable to Kalshi. Geo-blocked in many jurisdictions.
Which platform is accessible globally?
Polymarket is geo-blocked in the US/UK/EU. Kalshi is US-only. Betfair and Smarkets are UK-restricted. Robinhood Prediction Markets has a different geo footprint and routes to Polymarket's order book at 0% fees.
Are all these platforms regulated?
No. Kalshi is CFTC-regulated (US). Betfair and Smarkets are UK Gambling Commission licensed. Polymarket operates without explicit regulation — a different risk profile than a regulated sportsbook.
Alex ChenAlex ChenPrediction Market AnalystandJordan LeeJordan LeeSports Prediction Reporter

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