Definitions and Calculation of Last Trade Price, Index Price and Marking Price

Type	Function	Calculation
Last Trade Price	Display the latest traded price of the order book on a real-time basis	The latest traded price of the order book on a real-time basis
Index Price	Reflect the fail last traded price of cryptocurrency calculated with reference to its USD or USDT price on multiple exchanges	Last traded prices of three of more major exchange as the weighted index constituents for each cryptocurrency; measures introduced to handle abnormal situations and control fluctuation within a normal range
Marking Price (Reasonable price)	To avoid unnecessarily forced liquidation of high-leverage products. Without this system, the marking price may deviate unnecessarily from the price index due to manipulated market or lack of liquidity, thus leading to unnecessarily forced liquidation.	Marking price(Reasonable price) = index-based price * (1 + basis rate of funding cost)

For BitMart perpetual swap, its reasonable marking price is the index-based price with reference to the price of the global spot market plus the funding cost basis that decreases over time.

ATTENTION: Cryptocurrency investment is subject to high market risk. Please make your investments cautiously. This is not investment advice, or an endorsement by BitMart as to the intrinsic value of a digital asset, or a commitment by BitMart team to support any specific asset/token that the announcement pertains to.