风险声明：差价合约（CFD）是属于复杂的投资产品，因杠杆而存在快速亏损的高度风险。交易前您应衡量是否了解差价合约以及是否能够承担发生亏损的高风险。
Web Trader MT4 
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High-frequency trading (HFT)
A type of trading that uses powerful computers and algorithms to execute trades at very high speeds, often in milliseconds or less.
Historical pricing
The record of buying and selling prices of a product, aiding analysts and investors in assessing its potential performance.
Historical volatility
A measure of the variability of a security’s price over a specific period of time, based on past price movements.
Holder
The owner of a security, such as a stock or bond.
Horizontal channel
A trading range that occurs when the price of a security moves within a defined range over an extended period of time.
Horizontal spread
A type of options spread that involves buying and selling options with the same expiration date but different strike prices.
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