Can you define "fair" -- especially in a mathematical sense? (Otherwise this may be a political issue and inappropriate for math-fun.) --Dan Steve Witham wrote: << . . . There's a centuries-old tradition that complains that trading is tricky fast moves, and therefore unfair. The article nearly rises above that level but not quite. Hard to tell whether the people quoted were just whining, or they actually had points to make but the reporter scrambled them beyond recognition. The question boils down to whether the rules under which trading occurs are fair. If so, behavior that makes profit for the trader is also doing the market as a whole a service. If not, the system can be gamed. . . .

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_____________________________________________________________________ "It don't mean a thing if it ain't got that certain je ne sais quoi." --Peter Schickele