The ultimate site for calls and puts. CallWriter offers the web's only real-time lists of the highest returning covered calls, naked calls and naked puts, the web's best daily covered call picks (with analysis) and the web's only position management calculator.

A service for Finance-Professionals! Quotes, charts, extensive technical analysis including buy/sell recommendations support the user to select profitable stocks. Our financial service includes all international indices, stocks and currencies as well as options software. Please download our free options calculator.

Online option calculator. A web interface that calculates European call and puts options and option greeks. Also includes an implied volatility calculator.

Option Pricing Calculator Our Black Scholes Option Pricing Calculator is now online! Use it now to determine the theoretical price of any option so you can hunt for the bargains!

this site contains Java and native Windows versions of an option calculator, date convention calculator and yield curve builder