The trading of securities not listed on a US exchange but traded on that exchange at the request of a member of that exchange, and not at the request of the issuing corporation.
Up tick
A transaction executed at a price greater than the previous transaction.
Valorennummer
The Telekurs securities identification number, consisting of up to 6 digits.
Value date
The date up to and including which accrued interest is calculated.
Variation margin
Profits or losses on open positions in futures and options contracts which are paid or collected daily.
Vega
The measure of the change in an option's premium for a 1% change in the volatility of the underlying futures contract. Equal to the change in premium divided by 1% change in volatility.
Volatility
Usually defined as the standard deviation of returns of an asset. Volatility generally refers to the magnitude of price movements in a specific asset. Large price movements are said to be more volatile and vice versa. Volatility has a major direct influence on option premium levels. When volatility is high, premiums increase (all other assumptions remaining the same). When volatility is low, premiums decline.
Volume
Amount of trading activity, expressed in shares or dollars, experienced by a single security or the entire market within a specified period, usually daily, monthly, or annually.
