Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
PolyGram Pick polygram.ink |
25% | 75% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open on PolyGram → |
Polymarket polymarket.com |
25% | 75% | 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
| Draw (Nashville SC vs. New York City FC) | 25% YES | 76% NO |
| Nashville SC | 56% YES | 45% NO |
| New York City FC | 21% YES | 80% NO |
Market context
Nashville SC will travel to face New York City FC in Major League Soccer on 23 May 2026. The prediction market currently implies a 25% probability of a Nashville victory, a significant gap from typical sportsbook opening lines on MLS matches of this profile, which have historically favoured the away side at roughly 30–35% when the visiting club carries comparable recent form. The divergence suggests either that prediction-market participants are pricing in venue disadvantage more heavily than conventional oddsmakers, or that recent Nashville underperformance has not yet fully propagated through traditional betting channels.
Nashville's record against Eastern Conference opponents over the past two seasons provides useful calibration. The club has won approximately 28% of such fixtures, whilst their home-field advantage—typically worth 3–5 percentage points in MLS—is absent here. NYCFC, despite periodic roster churn, maintains a defensive structure that has historically constrained visiting sides to below-average expected goals. Recent squad announcements and injury reports will be material; any absence of Nashville's primary attacking outlet would further justify the current 25% reading.
Traders should monitor team news releases through mid-May, fixture congestion in the weeks prior (European-based players returning late from continental competitions), and any weather alerts for the Northeast, which can suppress scoring volume. Sportsbook lines typically tighten 48–72 hours before kickoff as sharper action arrives; material movement in either direction would signal whether the prediction market's current pricing reflects genuine information advantage or simply reflects the structural bias of retail prediction-market participants toward home-team backing.
Methodology
We track Nashville SC vs. New York City FC 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
Settlement runs on-chain. Polymarket's contract logic separates YES and NO shares as conditional tokens; at resolution the winning share lifts to $1.00 and the losing one to $0. The outcome input comes from the UMA Optimistic Oracle, which secures against bad resolution with a bond + dispute window.
Once finalised, the smart contract pays USDC to the holders' wallets within minutes — no withdrawal fees beyond Polygon network gas. Kalshi settles in USD via CFTC clearance, Betfair in account currency net of commission, Manifold in play-money mana with no cash-out.
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.
- 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.
- How fast are USDC deposits?
- Polygon credits deposits after 12 confirmations — usually under 30 seconds. Withdrawals follow the same path and land back in your wallet within minutes.
- Do I need to KYC for this market?
- Not under $1,500 of lifetime trading volume. Above that threshold, PolyGram triggers a quick verification flow that finishes in minutes.
- 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.
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