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股指期貨的引入,為市場提供了對衝風險的途徑,有利於投資人合理配置資產。股指期貨為市場提供了新的投資和投機品種,使市場有了做空機制,豐富了證券投資者的策略和工具,吸引了大量投機者、套期保值者和套利者加入證券市場。股指期貨的做空機制改變了以往只有股票上漲才盈利的模式,做空也可以賺錢,投資者通過採取投機交易策略在股指期貨市場可獲得更多價差收益。股指期貨市場採取「T+0」制度,投資者可在買(賣)期貨的當日便進行平倉,增加了交易機會,又能靈活地跟進或出逃,有效降低了持倉風險。股指期貨無需支付全部資金,交易者可以用較少的資金完成數倍的交易,達到四兩撥千金的槓桿效應。