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Fragmentation Index. Maybe markets are unfair, but are they rigged?

Fragmentation Index

Posted by Steve Grob on April 2, 2014 · 2 Comments The publication of Michael Lewis’s new book Flash Boys has reignited the whole HFT/dark pool debate (actually, maybe it’s never really gone away). The point people seem to continually miss in this debate is the distinction between “unfair” and “rigged”. To me the term rigged implies some malevolent conspiracy between certain members of an ecosystem aimed at taking advantage of an identified target. In this instance,... Fidessa Fragmentation Index » Home. Automated Trader - Algorithmic Trading Magazine. TABB Group. TabbFORUM. Larry Tabb (ltabb) Seeking Alpha.