CONVEXITY is the price change that occurs for a bond not accounted for or predicted by modified dU1"ation. Convexity explains why price change estimates using modified duration increase in error as the yield changes, generally by more than 100 basis points. Bonds with positive (negative) convexity have increased (decreased) duration as interest rates fall (rise). Bonds with positive convexity, such as those with put options, have returns higher than those predicted by duration alone. Mortgage-backed securities and callable bonds generally have negative convexity, which means that the price increase predicted by duration for a steep rate decline is too high.
SOES (Small Order Execution System) trading is an electronic method of day trading the NASD market. At present, SOES trading is at the center of controversy between the NASD, SEC, individual traders, and the courts. SOES is changing the way trading is done on the NASD, and it may rewrite the rules of the game for trading. Bandits is just a term being used for the individuals using the SOES system for day trading.
RESTRICTED ASSETS are assets / resources which are restricted by legal or contractual requirements for use under specific circumstances or purposes.
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