Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
PolyGram Pick polygram.ink |
45% | 55% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open on PolyGram → |
Polymarket polymarket.com |
45% | 55% | 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
| Knicks vs. Cavaliers | 45% YES | 56% NO |
| Team to Score First | 50% YES | 51% NO |
| Odd/Even Score | 75% YES | 26% NO |
| Spread -2.5 | 51% YES | 50% NO |
| O/U 213.5 | 52% YES | 49% NO |
| Donovan Mitchell: Points O/U 27.5 | 42% YES | 59% NO |
Market context
The Knicks and Cavaliers are due to meet in Game 4 of the Eastern Conference finals on 23 May, with New York leading the series 2-0 after a 109-93 win in Game 2. A 45% crowd-implied chance on Cleveland roughly matches a market that still sees the home team as live, but not favoured, especially once the series deficit is factored in. On Polymarket, that expectation is usually shown as a simple yes price rather than a quoted odds line, whereas Betfair and Smarkets translate the same view into decimal odds and charge different commission structures; Kalshi also leans on regulated event contracts and full identity checks, so access and net returns can differ even when the underlying view is identical.
Comparable playoff spots tend to re-rate quickly when a road team goes up 2-0, because Game 3 becomes the key pivot for whether the trailing side can force a longer series or whether the favourite can keep control with minimal adjustment. ESPN’s latest reporting on 22 May noted Cleveland describing the task ahead as “undaunting”, but the market has already absorbed the fact that New York has won both early games and now holds the more favourable series position. That leaves the pre-game number sensitive to any shift in expectation around venue, rest and injury status rather than the series score alone.
The main catalysts before settlement are the final injury reports, any late changes to starting line-ups, and whether either side manages a rotation or workload adjustment after the first two games. Because the game is scheduled for 23 May at 8:00pm ET, traders will also watch for movement tied to travel, back-to-back fatigue and whether bookmakers or exchanges trim the Knicks price if Cleveland draws support from home-court correction. If the fixture is delayed rather than cancelled, the market stays open until the game is completed; if it is abandoned entirely, it settles 50-50.
Methodology
We read Knicks vs. Cavaliers from four platform perspectives: Polymarket (on-chain CLOB), Kalshi (CFTC-regulated exchange), Betfair Exchange (sports book exchange), Smarkets (peer-to-peer betting exchange). Polymarket's live quote comes directly from the Polygon order book; the other three are listed with their platform attributes — fees, KYC, settlement currency, payment options — because a 1:1 contract comparison without API access would be guesswork.
Resolution & payout
Settlement is the biggest difference between the four platforms: Polymarket on-chain in USDC (instant), Kalshi USD via CFTC (T+1), Betfair and Smarkets in local currency via bank withdrawal (T+1 to T+3). PolyGram routes every trade directly into Polymarket's on-chain settlement, which is why payouts land fastest.
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.
- 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.
- 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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