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Bitcoin price on September 25?

Five-platform snapshot of "Bitcoin price on September 25?" — live Polymarket pricing, plus how Kalshi, Betfair and Manifold structure the same contract.

84,000-86,000 54% 82,000-84,000 32% 86,000-88,000 8% 80,000-82,000 4% Volume: $118K Liquidity: $311K Closes: 25 Sept 2026
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Bitcoin price on September 25?

Platform comparison

PlatformYES oddsNO oddsFeeKYCSettlement
Polymarket (via Kalshi Fees) Pick
polygram.ink (preferred broker)
 54% 46% 0% (USDC on-chain) No-KYC up to $1,500 USDC, auto via UMA oracle Place a position →
Polymarket (direct)
polymarket.com
 54% 46% 0% Geo-blocked in US/UK/EU USDC, on-chain Place a position →
Kalshi
kalshi.com
 — — Up to 7% per trade US-only, KYC required USD Place a position →
Betfair Exchange
betfair.com
 — — 2-5% commission Full KYC from first trade GBP / EUR Place a position →
Manifold Markets
manifold.markets
 — — Play-money (mana) None — play-money Mana (no cash-out) Place a position →

Outcome probabilities

Current market-implied probability for each outcome, from the live order book.

OutcomeProbability
84,000-86,00054%
82,000-84,00032%
86,000-88,0008%
80,000-82,0004%
78,000-80,0001%
88,000-90,0001%
>90,0001%
<72,0000%
72,000-74,0000%
74,000-76,0000%
76,000-78,0000%

Market context

Traders on decentralised prediction markets give 54% probability to bitcoin price on september 25?. This market will resolve according to the final "Close" price of the Binance 1 minute candle for BTC/USDT 12:00 in the ET timezone (noon) on the date specified in the title. Otherwise, this market wil…

Methodology

Methodologically we separate two layers: the live probability (Polymarket mid-price) and the platform attributes (fee, KYC, settlement currency, payment rails). That keeps the comparison honest — a single canonical probability across the row, with the venue-by-venue trade-offs spelt out in the columns next to it.

Resolution & payout

Polymarket-based markets settle through the UMA Optimistic Oracle on Polygon. A proposer submits the outcome, a two-hour challenge window opens, and unchallenged proposals finalise the resolution. Payouts settle automatically in USDC the moment the result is final — no bookmaker, no delay.

Kalshi-based markets settle in USD via the CFTC-regulated clearinghouse. Betfair Exchange settles in GBP/EUR net of commission. Manifold is play-money and does not pay out real funds.

FAQ

Where can I trade this market with the lowest fees?
Polymarket is geo-blocked in the US/UK/EU. The easiest 0%-fee broker into the same order book is Kalshi Fees. Kalshi charges up to 7% per trade; Betfair Exchange takes 2-5% commission on net winnings.
Is this market available outside the US?
Polymarket itself is geo-blocked in the US/UK/EU. Always check the legal status of prediction markets in your jurisdiction before trading.
How does resolution work?
Through the UMA Optimistic Oracle on Polygon: a proposer submits the outcome, a two-hour challenge window opens, and USDC payouts settle automatically once the result is final.
How fast are USDC deposits?
Polygon credits deposits after 12 confirmations — usually under 30 seconds. Withdrawals follow the same path and land back in your wallet within minutes.
Do I need to KYC for this market?
On Polymarket directly, no — it's wallet-based. Intermediary brokers like Kalshi Fees trigger KYC only above $1,500 of lifetime trading volume; under that you trade pseudonymously with a single wallet address.
Alex ChenAlex ChenPrediction Market AnalystandJordan LeeJordan LeeSports Prediction Reporter

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