NO.PZ2020011901000075
问题如下:
A trader sells a put option on a stock with a strike price of USD 50 when the stock price is USD 51. The price of the option is USD 3. Under what circumstances does the trader make a profit? (Ignore the impact of discounting.)
解释:
3-(50 - ST) > 0 or ST > 47
这回答把人闹迷糊了,到底是S<47,还是>47,我觉得应该是小于才会获利吧