Arquivos: Glossário

A measure of how far and how well an observer can see through the atmosphere.

Any substance that evaporates readily.

Organic chemicals that have a high vapor pressure relative to their water solubility. VOCs include components of gasoline, fuel oils, and lubricants, as well as organic solvents, fumigants, some inert ingredients in pesticides, and some by-products of chlorine disinfection.

Similarly to volatility smile, volatility skew indicates the shape of the curve traced by the implied volatility of a security with respect to the strike price. However, instead of the typical U shape of the smile, volatility skew is determined by implied volatility values – these are higher for out-of-the-money strikes than for at-the-money strikes, […]

Smile refers to the characteristic curve in a chart that shows implied volatility of a security, as derived with the Black-Scholes model with respect to its strike price. Typically, the lowest point of the smile corresponds to the at-the-money price, while for in-the-money and out-of-the-money prices implied volatility tends to be higher. This is interpreted […]

The term structure of volatility is the curve depicting the differing implied volatilities of options with the same strike price but different maturities. Intuitively, it reflects the market expectation on the future implied volatility.

The Volcker rule restricts US insured depository institutions from engaging in proprietary trading of securities, derivatives and commodity futures, or options on any of these instruments. Banks have to prove that all positions are needed to meet reasonably expected near-term demand (RENTD) from clients. The rule also limits banks’ investments in “covered funds”: hedge funds […]

The annual percentage change in timber volume for a tree or a stand.

A table showing the estimated average tree or stand volume based on given tree measurements, usually diameter and height.

The segment of the carbon market for carbon offset transactions outside of government-related regulatory schemes i.e. offsets purchased by organisations wishing to offset their carbon on a voluntary basis.