Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Robinhood Prediction Markets) Pick polygram.ink (preferred broker) |
72% | 28% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Go to the live market → |
Polymarket (direct) polymarket.com |
72% | 28% | 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.
| Outcome | Probability |
|---|---|
| $150M | 72% |
| $300M | 33% |
| $500M | 14% |
| $800M | 8% |
| $1B | 4% |
| $2B | 2% |
| $3B | 1% |
Market context
Extended, a blockchain application, is preparing to launch a token with public trading. This market tests whether the token's fully diluted valuation—calculated by multiplying total supply by price—will exceed a specified threshold within 24 hours of becoming actively tradeable. The settlement window closes on 1 January 2027, giving traders roughly two years to observe the outcome. The current 14% implied probability on Polymarket reflects scepticism about achieving the target FDV in that narrow window, though the exact threshold remains unspecified in the available market description.
Token launches rarely sustain elevated valuations beyond their opening day. Comparable cases—Solana's 2020 launch at roughly $0.77, Polygon's 2021 debut, and more recent Layer 2 tokens—show that initial FDV spikes driven by exchange listings and early trading volume often contract sharply within 48 hours as liquidity providers and early holders take profits. The 14% probability aligns with historical patterns where only projects with exceptional pre-launch momentum and institutional backing maintain or exceed opening-day valuations one day out. Kalshi's decimal-odds format (roughly 7.1 to 1 against) and Smarkets' equivalent pricing structure would display this same scepticism, though Betfair's lay-betting interface allows traders to back the "No" side more directly than Polymarket's binary YES/NO toggle.
Traders should monitor Extended's pre-launch announcements, exchange partnerships, and token distribution details. Any major exchange listing confirmation or venture-capital backing disclosure could shift implied probability upward. The resolution hinges on identifying the most liquid price source at 4:00 PM ET on day two post-launch—a technical dependency that may favour centralised exchange data over decentralised venues if liquidity fragments across multiple venues.
Methodology
We read Extended FDV above … one day after launch? 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
- Polymarket vs Kalshi — which is better?
- Depends on your location. Kalshi is CFTC-regulated, US-only with full KYC. Polymarket is global, on-chain, no KYC up to $1,500. Polymarket has ~10x higher liquidity but higher regulatory risk.
- 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.
- 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.
- Which platform supports Klarna/SOFORT?
- Directly: none. Polymarket accepts only USDC on Polygon. Robinhood Prediction Markets 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.
Trade Extended FDV above … one day after launch? on Robinhood Prediction Markets
Live order book, 0% fees, USDC settlement in seconds.
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