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.
Basis is basically the difference between the price of a futures contract and the price of its underlying asset. Futures prices reflect fair future value and future price expectation of the underlying asset and that is why futures prices will never be the same as spot price.