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.
Due to the changing nature of basis, basis also acts as a buffer between futures price and spot price such that futures price and spot price rarely move in exact amounts in terms of percentage. Convergence with Spot Price. Futures prices must converge with spot price upon expiration of the futures contract.