This article explains the role of the convenience yield in the relationships linking spot and futures prices in commodity derivatives markets. First, this variable restores the non arbitrage relationship between the prices of the underlying asset and the derivative instrument. Second, it allows...

This article focuses on the volatility of crude oil futures prices on the New York Mercantile Exchange. It aims at examining whether this market creates excess volatility, which would not be observed in the absence of such a market. In order to reach this objective, price fluctuations are...

This article presents and compares two different Kalman filters. These methods provide a very interesting way to cope with the presence of non-observable variables, which is a frequent problem in finance. They are also very fast even in the presence of a large information volume. The first...

In this article we present an introduction to various Filtering algorithms and some of their applications to the world of Quantitative Finance. We shall first mention the fundamental case of Gaussian noises where we obtain the well-known Kalman Filter. Because of common nonlinearities, we will...

Cet article s’appuie sur une analyse en composantes principales pour identifier les mouvements des courbes de prix du pétrole brut. L’étude confirme que trois composantes permettent d’expliquer les fluctuations des prix à terme : déplacement parallèle, pentification, et courbure. De...

Depuis la fin des années 1980, le secteur européen de l’électricité a été progressivement libéralisé et privatisé, laissant aux marchés financiers une part de plus en plus importante dans la valorisation et le contrôle des activités des firmes électriques. Avec le transfert de...

In order to enhance the understanding of the term structure of commodity prices, this article examines the temporal integration of the American crude oil futures market. The study relies on a database including futures prices for very long maturities (as far as seven years) and compares their...