Block Trade

This is a spread trading strategy that involves buying and selling options, but the trader typically sells a greater number of contracts sold than what is purchased. See also Ratio Back Spread & Ratio

This is when you enter into a position by purchasing one part of the spread at a time rather than buying it all at once. Legging can improve the risk-reward of the trade if the underlying stock moves in the right direction. If not, it can reduce the potential loss.

Time value is whatever the premium of the option is in addition to its intrinsic value. Time value is that part of the premium that reflects the time remaining before expiration. An American-style option may ordinarily be expected to trade for no less than its intrinsic value prior to its expiration, although occasionally an American-style…

This is a measure of a stock’s volatility relative to the S&P 500 Index. High Beta stocks have high volatility. Stocks that have a beta reading of 1.00 or greater tend to move faster or are more volatile than the S&P index. And stocks that have a beta less than 1.00 tend to move slower…

A physical delivery option gives its owner the right to receive physical delivery (if it is a call), or to make physical delivery (if it is a put), of the underlying interest when the option is exercised.

101 Arch Street, Suite 601 Boston, Massachusetts 02110 BOX Exchange LLC (BOX) is a national securities exchange registered with the Securities and Exchange Commission (SEC) under Section 6 of the Securities Exchange Act of 1934. It is a fully electronic options exchange that offers trading in U.S. equity options. BOX Exchange is operated by BZX…