bear spread ane bull spread的用法和样例：
A dual option position involving a bull and bear spread with identical expiry dates.
一种期权策略，这种策略可以借具有相同有效期的看跌期权或者看涨期权得以贯彻。
Bull spread constructed through the purchase of a put option with a lower strike price and the simultaneous sale of a put option with the same expiration but with a higher strike price.
指投资者卖出一个执行价格较高的看跌期权，同时买入一个执行价格较低的看跌期权，也称为卖权空头价差(交易)。
He was John Bull in a Benedictine robe.
他是身穿贝尼蒂克教派长袍的英国人。
A bull elephant was rampaging about in the jungle.
一头雄象在丛林里横冲直撞。
His bull will come to serve our cows tomorrow.
明天我们用他的公牛与我们的母牛配种。
bear spread ane bull spread的海词问答与网友补充：
bear spread ane bull spread的相关资料：
相关词典网站：【衍生品】Bear&spread&和&Bull&Spread
最近由于希腊退出欧元区预期事件影响，国际市场持续动荡，欧元不断走弱，美元走强。
因此，可以构建bear spread 组合收益于欧元的下跌。
比如 买入eur的看跌期权，同时卖出一笔行权价略低的看跌期权，形成bear spread组合。
以下内容转载自维基百科：
In options trading, a&bear
spread&is a&,&&&that can be used when the options
trader is moderately bearish on the underlying security.
Because of&, a bear spread can be constructed using
either&&or&. If constructed using calls, it is
a&bear call spread. If constructed using
puts, it is a&bear put spread.
A bear call spread is a limited profit, limited
risk&&that can be used when the
options trader is moderately bearish on the underlying security. It
is entered by buying call options of a certain strike price and
selling the same number of call options of lower strike price (in
the money) on the same underlying security with the same expiration
Consider a stock that costs $100 per share, with
a&&with a&&of $105 for $2 and a call option with a
strike price of $95 for $7. To implement a bear call spread, one
buys the $105 call option, paying a premium of $2, and sells the
$95 call option,&making
a premium of $7. The total profit after this initial options
trading phase will be $5.
After the options reach&,
the options&may be
exercised. If the stock price ends at a price P below or equal to
$95, neither option will be exercised and your total profit will be
the $5 per share from the initial options trade.
If the stock price ends at a price P above or equal to $105, both
options will be exercised and your total profit per is equal to the
sum of $5 from the original options trading, a loss of (P - $95)
from the sold option, and a gain of (P - $105) from the bought
option. Total profits will be ($5 - (P - $95) + (P - $105)) = -$5
per share (i.e. a loss of $5 per share). The loss is due to
speculation that the price would go down but it actually did
[]Bear put spread
Profit diagram of a bear spread using put options
A bear put spread is a limited profit, limited
risk&&that can be used when the
options trader is moderately bearish on the underlying security. It
is entered by buying higher striking in-the-money put options and
selling the same number of lower striking out-of-the-money put
options on the same underlying security and the same expiration
month. The options trader hopes that the price of the underlying
drops,maximizing his
profit when the underlying drops below the strike price of the
written option, netting him the difference between the strike
prices minus the cost of entering into the position.
同理，反向可以形成bull spread
<img src="/blog7style/images/common/sg_trans.gif" real_src ="http://upload.wikimedia.org/wikipedia/commons/thumb/0/06/Bull_spread_using_calls.png/300px-Bull_spread_using_calls.png"
ALT="【衍生品】Bear&spread&和&Bull&Spread"
TITLE="【衍生品】Bear&spread&和&Bull&Spread" />
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以上网友发言只代表其个人观点，不代表新浪网的观点或立场。Bull Vertical Spread代表什么？_百度知道
Bull Vertical Spread代表什么？
同学你好，很高兴为您解答！　　Bull Vertical Spread：看涨的纵向多空套做，看涨投资者的投资策略，投资者认为某商品的市价将上升，但希望控制预测错误造成损失的可能性。　　对于各个投资领域内的专业人员，包括基金经理、证券分析师、财务总监、投资顾问、投资银行家、交易员等等，CFA非常重要；它直接证明了你的职业素养和能力，被投资业看成一个“黄金标准”,这一资格被认为是投资业界中具有专业技能和职业操守的承诺。考生考过CFA对自己将会有很大帮助。　　希望我的回答能帮助您解决问题，如您满意，请采纳为最佳答案哟。　　再次感谢您的提问，更多财会问题欢迎提交给。高顿祝您生活愉快！
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when to use a bull call spread：当使用一个牛市看涨期权套利
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