(Drawing an implied volatility graph) Find options on S&P 500 index. There are multiple versions of S&P500 such as SPX or SPY, and you can choose any of them you like. Pick 6 call options with different strike prices. The options should have about 1 month to maturity and they should have non-zero volume. Find the implied volatilities of each call option using the market price and Black-Scholes calculator. The implied volatilities can be rounded to 1 digit below zero. Draw a graph of implied volatility. The y-axis should be the implied volatilities you got and the x-axis should be the strike prices you selected. Something like this:

10% 0% Implied Volatility 250 252.5 255 Implied Volatility 257.5