1.5
由题干可知:=29,=30,r=0.15,σ=0.25,=6/12=0.5,欧式期货看跌期权的价值为: <img src="https://attachment.cnbkw.com/bkwimg/up/201810/103103312f25176248f0bd768775bcac26a6.png" alt=""> 则期权的价格为: <img src="https://attachment.cnbkw.com/bkwimg/up/201811/1104fa2dfe8eddf94ac680b3410cf94496e6.png" alt="">