Implied volatilities of out-of-the money puts tend to be upwards biased whilst those of calls tend to be downwards biased. We also find that the bias in implied volatilities yields excess returns based on unhedged and delta-neutral trading strategies, suggesting that implied volatilities are ...
We’ve already warned you against starting off by purchasing out-of-the-money, short-term calls. Here’s a method of using calls that might work for the beginning option trader: buying long-term calls, or “LEAPS”. The goal here is to reap benefits similar to those you’d see if you...
When a call option is purchased, the trader instantly knows the maximum amount of money they can possibly lose. Themax loss is always the premium paidto own the option contract; in this example, $60. Whether the stock falls to $5 or $50 a share, the call option holder will only lose...
Which pair of trousers do you like, the white one or the brown one? 你喜欢哪条裤子, 白色那条还是棕色那条? I like the brown one. 我喜欢棕色那条。 Here you are. It's your size. 给你。这是你的尺码。 OK. I'll try...
Buying second-hand(二手的) things is getting more popular these years.1"People could make more money in these years and would buy more things than they really need," said Wei Ying, founder(创办者) of the app Deja Vu for selling and buying second-hand books. "_2 Shoppers are happy ...
1.___ "People could make more money in these years and would buy new things than they really need," said Wei Ying, founder(创办者) of the app Deja Vu for selling and buying second-hand books." 2.___ Shoppers are happy with the good prices and sellers are happy to make their hous...
nod点头She nods at me.The emperor puts on the “new clothes” and gives the man a lot of money.put on 穿上She put on her coat and went out.People keep quiet, but a child laughs, ….keep quiet保持沉默It's a general rule to keep quiet in libraries.5. Read and answerWhat does ...
For example if you buy a fridge and it turns out to be faulty, the seller has to replace it or refund your money. But there’s no such legal protection in many off the plan contracts. Instead, the onus is on buyers to take the developer to court. ...
1.Jill likesthe purple kite.（对划线部分提问）Jill like?2.I like the yellow umbrella.（用 green umbrella 改写成选择疑问句）the yellow umbrellathe green umbrella?3.My brother wants thebigroom.（对划线部分提问）does your brother want?三、选择方框内的句子完成对话。A:Mum, I want a new ...
But with our culture growing more commercial,sometimes the original meaning behind the tradition gets lost.Not only is the pressure on spending money on the right present,but many people also find that when gifts become the focus of a holiday,it puts too much emphasis on receiving.It's too ...