bear spread

基本解释

An option strategy combining a bull and bear spread. It uses three strike prices.
一種期權策略，由一手牛市套利和一手熊市套利組郃而成的。
The lower two strike prices are used in the bull spread, and the higher strike price in the bear spread.
它牽涉到三個定約價，兩個最低的用於牛市套利，兩個最高的用於熊市套利。
shfenorasuny1.blog.163.com
Bear spread constructed by the sale of a put option and the simultaneous purchase of another put option with the same expiration, whereby the short put has a lower strike price than the long put.
是指投資者賣出一個執行價格較低的看跌期權，同時買入一個執行價格較高的看跌期權，也稱爲賣權空頭價差（交易）。
finance.people.com.cn

This is the most negative the bull-bear spread has been since September 22, 2011.
FORBES: Continued European Concerns Sink Bullish Sentiment Near Two-Year Low
The difference between bullish and bearish sentiment, the bull-bear spread, widened to -22.4 points.
FORBES: Continued European Concerns Sink Bullish Sentiment Near Two-Year Low
The difference between bullish and bearish sentiment, the bull-bear spread, is 18.4 percentage points.
FORBES: Bullish Investor Sentiment At Five-Week High