a day trader buys an option on a stock that will return $ profit if the stock goes up today and lose $ if it goes down. if the trader thinks there is a % chance that the stock will go up, find the standard deviation of the day trader's option value.

Which of the following is an example of an opposing signal? no examplthates given.   i would say, that traffic lights in a city at major intersections direct the flow of traffic in opposite directions so would be an example.also, stop signs on either side of the same street would be an example. at a train crossing, the light for allowing car traffic in opposite directions or not would be another example.