Whenever we try to evaluate whether the market is/was efficient in a particular situation, I think looking at the option chain is a good idea. Since you can extract an implied probability distribution, it gives a lot more information than the stock price alone.
Whenever we try to evaluate whether the market is/was efficient in a particular situation, I think looking at the option chain is a good idea. Since you can extract an implied probability distribution, it gives a lot more information than the stock price alone.