並前往https://books.google.com.tw/books?id=OSpyDwAAQBAJ&pg=PT3&lpg=PT3&dq=DAX+Futures&source=bl&ots=VggXADMzgI&sig=ACfU3U11DhRTROj4jK6HoY3dCjDfK5coQA&hl=zh-TW&sa=X&ved=2ahUKEwjZk7yHpM__AhUVPkQIHfpoBdsQ6AF6BQjVAhAD