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融资融券(margin trading),又称垫头交易或保证金交易、信用交易,也就是通常所说的买空卖空,是指证券公司出借资金给客户,以供其买入证券,或者出借证券供其卖出的营业活动。当投资者预计证券价格将会下跌时,以自有资产向证券公司提供担保,借取证券用来出卖,在未来一定期限内,再买入证券偿还的活动;当投资者预计证券价格将会上涨时,向证券公司融资买入证券,将来卖出证券偿还融资的活动。买卖价差扣
Margin trading (margin trading), also known as head or margin trading, credit transactions, which is commonly referred to as shorting short, refers to the securities companies to lend money to customers for the purchase of securities, or lending securities for its sale Out of business activities. When investors expect the price of the securities to fall, they will guarantee the securities companies with their own assets, borrow the securities for sale, and repurchase the securities within a certain period of time in the future. When investors expect the price of the securities will be Rising, the securities company to buy securities financing, the sale of securities in the future to repay the financing activities. Spread difference