Three Implied Volatility Calculators (two free, one not), a Dynamic Display Engine and a Free Historical Volatility Calculator
From Jerry Marlow

Choose the calculator best suited to the purpose you have at hand:

Original web-based implied volatility calculator (free) Description User manual Calculator
Latest web-based implied volatility calculator (free) Description User manual Calculator
Desktop option-chain implied- volatility calculator $14.95 Description Buy Now
Dynamic display engine to use with desktop option-chain implied- volatility calculator $9.95 Description Buy Now
Historical-volatility calculator Description User manual Download
Links to data sources
Obtain option-chain prices, historical prices of underlyings and quotes of risk-free rates from free data sources. For links to data sources, click here.
Learn more about the option pricing theory behind the calculators
To learn more about the Black-Scholes-Merton; Cox, Ross, Rubinstein; Equal Probabilities and General Additive models, download the seminar notes: How to Value Stock Options in Divorce Proceedings.
Work with a book and simulator that make Black-Scholes option pricing theory easy to understand
To learn more about Black-Scholes option pricing theory, order the book and simulator Option Pricing: Black-Scholes Made Easy from amazon.com.

Telephone consultation or tutorial for $2/minute with Jerry Marlow, creator of implied-volatility calculators, Option Pricing: Black-Scholes Made Easy and Option-Market Sim
Want a quick consultation or tutorial via telephone with the creator of Option Pricing: Black-Scholes Made Easy and Option Market Sim?

Call (917) 817-8659.

Jerry Marlow will explore your thinking and questions with you for a fee of $2 per minute. No minimum. No maximum.

To pay for the consultation, charge it to your credit card via PayPal.

Click the Pay Now button. On the PayPal screen, type the number of minutes that we talked into the quantity field.

Jerry Marlow, MBA
(917) 817-8659
jerrymarlow@jerrymarlow.com
www.jerrymarlow.com
www.marlowfinancialmodeling.com
www.marlowimpliedvol.com