Instruments and specs

Options Contract Specification

Contract Type	Call and Put Options (Buy only)
Underlying Index	Proprietary index price, aggregated from major exchanges for the underlying asset
Underlying Assets	BTC, ETH
Exercise Style	European, cash-settled
Trading Hours	24/7
Mark price	Real-time estimate of an option contract value calculated using ClickOptions propproprietarya and innovative flow-implied pricing engine.
Strike Prices	Listed at ITM, ATM, and OTM levels. New strikes added if market trades outside available range. See Options Listing Policy →
Expiration Dates	Daily, weekly, monthly, and quarterly expirations. Expiration time: 08:00 UTC See Options Listing Policy →
Settlement Price	Arithmetic mean of the underlying Spot Index during the 30 minutes before expiry See Expiry and Settlement →
Fees	Base fees: Trading 0.025%, Exercise 0.25% Detailed fee schedule →

Trading Specs by Asset

Asset	Type	Settlement/Quote Asset	Contract Size	Min Trade Amount/Step size	Tick Size
BTCUSDT	Linear Option	USDT	0.01 BTC	0.1	1
ETHUSDT	Linear Option	USDT	1 ETH	0.01	1