Sorry, something has gone wrong. Best Answer: The Enhanced Fujita Scale, or EF Scale, is the scale for rating the strength of tornadoes in the United States estimated via the damage they cause.
DEFINITION of 'Basis Trading'. An arbitrage trading strategy that aims to profit from perceived mispricing of similar securities.
The origins of settlement dates are rooted in trading practices which predate the modern electronic stock market. In the early days, a stock trade was executed by a buyer and a seller who had three days to deliver the securities and the money required to settle the transaction. Previously, this transaction was done by mail and was much slower than today.