A decline in Vega will typically cause both calls and puts to gain value.

A short call position profits when the underlying asset’s price stays below the strike price over the call’s life.

For a European call option, the greater the expected volatility, the lower the option’s price.

Vega measures the sensitivity of the option price to changes in the risk-free interest rate.

In the one-step binomial model, the portfolio consisting of long Delta (∆) shares and short one call option is riskless at expiration.

A call option on stock XYZ has a strike price of $100. This call option is in the money if the price of stock XYZ is selling for $95.

Rephrase the statement as a conditional proposition with the form “if p, then q.”Being in Los Angeles is sufficient for being in California. 

In a study by Egan et al. (2007), when monkeys and children were allowed to freely chose between two treats (items A vs. B), and then got to select either the previously unchosen treat (A or B) or a third, novel treat (item C), what happened?

In Asch’s (1951) line length studies, what happened when one of the confederates played the role of “dissenter” and gave answers that differed from the majority?  The rate of conformity by the real participants:

An advertisement for UNICEF attempts to persuade audiences by showing pictures of sad, hungry-looking children.  By portraying vivid images of needy children, such ads seek to capitalize on: