时期买入价卖出价收盘价Jun-16$49.25$49.75$49.50Jul-16$46.75$47.25$47.00Q316$45.25$45.75$45.50Q416$41.75$42.25$42.00Q117$40.00$40.50$40.25Q217$38.50$39.00$38.75Cal17$37.85$38.35$38.10Cal18$34.85$35.35$35.10