An option's price moves for more reasons than the stock. The Greeks are the five numbers that tell you why. This guide explains each one with a picture and a dollar example, so the next time a trade surprises you, you will know which one did it.

We build the scanners and alerts traders use to find better trades, and we write about options the way we wish someone had explained them to us.
Delta, gamma, theta and vega without the math class. Free, in your inbox in a minute.
Send me the free ebook