Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Robinhood Prediction Markets) Pick polygram.ink (preferred broker) |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Go to the live market → |
Polymarket (direct) polymarket.com |
100% | 0% | 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 → |
Market context
The market resolves on whether Bitcoin’s one-hour candle closing at 1AM ET on 13 July 2026 will finish higher than its opening price, using Binance’s BTC/USDT pair as the definitive source. With the crowd assigning a 100% implied probability to “Up”, traders are betting on a near-certain intraday gain in that specific window, a stance that diverges sharply from Kalshi’s decimal-odds format and Betfair’s spread-based liquidity, while Polymarket’s no-KYC access contrasts with Smarkets’ stricter identity checks.
Historically, 100% crowd-implied probabilities on short-term crypto candles have rarely held; similar extremes on Polymarket in early 2025 saw 15–20% reversals when liquidity thinned or oracle delays occurred, whereas Kalshi’s regulated crypto markets typically cap single-outcome probabilities at 95% to prevent mispricing. The current certainty ignores the volatility spike seen when Bitcoin dropped below 62,000 USDT on 6 July 2026, a move that erased 1.07% in 24 hours and suggests intraday candles can flip direction even in bullish weeks [3].
Traders should monitor the Federal Reserve’s mid-July interest-rate commentary, scheduled for 14 July, which often triggers pre-announcement volatility in crypto, and watch Binance’s real-time order-book depth for the 1H candle starting 13 July at 1AM ET [5]. A recent Binance Square post noted Bitcoin briefly surpassing 63,000 USDT with a 0.66% gain, but such micro-movements rarely guarantee candle closes, especially when macro dependencies loom [10]. Fee structures also differ: Polymarket charges 0.1% per trade with no withdrawal fees, while Kalshi imposes 0.5% maker fees and Betfair adds a 5% commission on winnings, affecting net returns on high-probability bets.
Methodology
This page compares Bitcoin Up or Down - July 13, 1AM ET specifically across Polymarket, Kalshi, Betfair Exchange and Smarkets. The live probability is the Polymarket mid; the comparison columns summarise each venue's fee structure, KYC, settlement currency and payment rails. Every CTA routes to Robinhood Prediction Markets, which mirrors the Polymarket order book at 0% fees.
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.
- 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. Robinhood Prediction Markets has a different geo footprint and routes to Polymarket's order book at 0% fees.
- 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 Bitcoin Up or Down - July 13, 1AM ET on Robinhood Prediction Markets
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