Greexotics – A First Step in the Land of Exotic Derivatives Greeks – Part 2

Following the first article of the series in which we analyzed the greeks of a Binary option, in this second part of the series we would like to introduce Asian options and their greeks. Asian options are part of a broader macro-class of exotic derivatives named Path Dependent Derivatives; in fact exos can be divided […]

Greexotics – A first step in the land of exotic derivatives greeks – Part 1

How does the Delta of a lookback option behave? What is Cross-Gamma? Is the Vega of a digital option ever negative? And furthermore, how do these exotic greeks (“greexotics) evolve as time passes and implied volatility changes? In this series of articles, we would like to give the reader a brief but comprehensive answer to […]

Your Guide to the Land of Higher Order Greeks

“Option Greeks” is the common name for the sensitivities in price of options or, in general, of derivatives and portfolios of derivatives, with respect to different factors, such as spot price of the underlying, implied volatility, risk-free interest rate, etc. Each Greek represents the ratio between the change in price and a small change in […]

The Black-Scholes Model in VBA

The aim of this article is to walk the reader through the implementation of the Black-Scholes model for option pricing in VBA. Firstly, we’ll recap the theoretical framework. Secondly, we’ll provide the code to put the theory into practice and show some basic (but hopefully relevant) applications. The Theory – Pricing The classical Black-Scholes model […]

Trading Volatility Using Options: a French Case

Introduction Volatility is a key feature of financial markets. It is commonly used as a measure for risk and is a common an indicator of the investors’ fear and concern about the future. While higher volatility means bigger profits and losses in a directional strategy (one which bets on a future movement of the price […]

Our views on Twitter Share Price

In our Special Report (, we analyzed Twitter’s characteristics, comparables and ratios. We valued Twitter shares at approximately 25$, really close to the final offering price (26$). After the IPO, Twitter’s share price dramatically soared to 45$, an unbelievable 72% surge: Analysts seem to agree with our view, and Mr. James Mackintosh, investment editor at […]