Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Kalshi Alternative UK) Pick polygram.ink (preferred broker) |
97% | 3% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Trade this market → |
Polymarket (direct) polymarket.com |
97% | 3% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Trade this market → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Trade this market → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Trade this market → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Trade this market → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| The Hawk: Season 1 | 97% |
| Show A | 50% |
| Show B | 50% |
| Show C | 50% |
| Show D | 50% |
| Show E | 50% |
| Show F | 50% |
| Show G | 50% |
| Other | 50% |
| Little House on the Prairie: Season 1 | 2% |
| I Will Find You: Limited Series | 1% |
| Worst Neighbor Ever: Season 1 | 0% |
| Quarterback: Season 3 | 0% |
| The Ultimatum: Marry or Move On: Season 4 | 0% |
| Dark Winds: Season 4 | 0% |
| Avatar: The Last Airbender: Season 2 | 0% |
| Sullivan's Crossing: Season 4 | 0% |
| Salish & Jordan Matter: Season 2 | 0% |
Market context
Netflix will publish its official US Top 10 TV list on Tuesday, 21 July 2026, at 3:00 PM ET, confirming which show held the most views from the previous Monday through Sunday. This data point resolves the market, with settlement defaulting to “Other” if the update fails by 24 July. The current 3% implied probability for a specific outcome suggests the crowd sees no dominant frontrunner, mirroring a tight cluster where multiple titles hover between 42% and 50% probability across competing genres [3].
Historical patterns for weekly Netflix rankings show that new limited series often outperform established seasons in their debut week, as seen when *I Will Find You* recently topped the TV list [2]. However, sustained dominance usually requires a second week of momentum, a factor that complicates predictions when several titles, such as *Worst Neighbor Ever* and *Avatar: The Last Airbender*, compete closely [1][4]. Unlike Kalshi’s decimal odds or Betfair’s spread betting, Polymarket’s implied probability format here highlights this balanced competition more intuitively, while its lower fee structure and minimal KYC barriers attract traders seeking exposure to these volatile, short-term entertainment outcomes.
Traders should monitor the official top10.netflix.com update for the precise ranking, as delays beyond the 24 July deadline trigger an “Other” resolution. Recent reports confirm *I Will Find You* held the top spot in the prior week, but the arrival of *Avatar: The Last Airbender* Season 2 and *Worst Neighbor Ever* Season 1 introduces fresh volatility [1][2]. The divergence between platforms is stark: while Smarkets focuses on liquidity depth for major events, this niche market benefits from Polymarket’s crypto-native accessibility, allowing rapid position adjustments before the Tuesday afternoon release without the regulatory friction found on traditional books.
Methodology
We read What will be the top US Netflix show this week? 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 mid is the canonical probability; the side-by-side columns benchmark fees, KYC, settlement currency and deposit rails so you can choose the venue that fits your jurisdiction and trade size.
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.
- Which platform has the deepest liquidity?
- Polymarket — by a wide margin. Top markets reach $50-500M volume, Kalshi ~$200M cumulative, Betfair similar. Deeper liquidity means your trade moves the quote less.
- 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.
- Which platform is accessible globally?
- Polymarket is geo-blocked in the US/UK/EU. Kalshi is US-only. Betfair and Smarkets are UK-restricted. Kalshi Alternative UK has a different geo footprint and routes to Polymarket's order book at 0% fees.
- Which platform supports Klarna/SOFORT?
- Directly: none. Polymarket accepts only USDC on Polygon. Kalshi Alternative UK offers a fiat on-ramp via Klarna or SOFORT (DE/AT/CH) and converts internally to USDC for the Polymarket order book. T+1 processing.
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