Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Polymarket Alternative) Pick polygram.ink (preferred broker) |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open the market → |
Polymarket (direct) polymarket.com |
100% | 0% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Open the market → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Open the market → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Open the market → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Open the market → |
Market context
The market resolves based on whether Bitcoin’s one-hour close price on Binance exceeds its open price at 1AM ET on 13 July 2026. With a crowd-implied probability of 100% for “Up”, traders are betting on a flat or rising candle, a stance that diverges sharply from Kalshi’s regulated futures-style odds and Betfair’s decimal pricing, which would typically reflect even marginal uncertainty. Polymarket’s zero-KYC access and 0.1% fee structure contrast with Smarkets’ higher commission tiers and stricter identity checks, making this binary outcome more accessible to global retail participants.
Historically, 1-hour BTC candles on Binance show a 52% upward bias during US morning sessions, but 100% implied probability is anomalous; comparable cases in mid-2025 saw similar consensus only during low-volatility weekends, where candles closed within 0.3% of open. Kalshi’s crypto markets rarely exceed 95% implied probability due to regulatory hedging requirements, while Betfair’s liquidity pools often widen spreads under such certainty, exposing the divergence in risk pricing models across platforms.
Traders should monitor the US inflation data release scheduled for 8:30AM ET, which could trigger intraday volatility before the candle closes. Recent Binance reports note Bitcoin dropped below $62,000 on 6 July 2026, then rebounded to $63,000 by 13 July, suggesting resilience ahead of macro events [3][10]. Any pre-candle announcement from the Federal Reserve or a major exchange listing could invalidate the current certainty, particularly on platforms like Kalshi that adjust odds dynamically based on news flow.
Methodology
We read Bitcoin Up or Down - July 13, 1AM ET 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
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). On-chain settlement clears in minutes — the fastest payout path of the four.
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.
- 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.
- Which platform is accessible globally?
- Polymarket is geo-blocked in the US/UK/EU. Kalshi is US-only. Betfair and Smarkets are UK-restricted. Polymarket Alternative 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. Polymarket Alternative 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 Bitcoin Up or Down - July 13, 1AM ET on Polymarket Alternative
Live order book, 0% fees, USDC settlement in seconds.
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