The last price at which an option traded. Note that a long put position is a short market position. The MACD indicator is based on three exponential moving averages and can be plotted as a graph or a histogram. The height of the MACD histogram. An electronic stock market run by the National Association of Securities Dealers.
Brokers get price quotes through a computer network and trade via telephone or computer network.
A spread consisting of the position at or closest to the strike price and the next closest position. The cumulative number of contracts outstanding for an option at the close of market. The average of the bid and asked. An option which currently has no intrinsic value. The net price of a spread as a percentage of the stock price.