Volatility, Accidental Alpha and the Ghost of GETCO…
"If we knew what it was we were doing, it wouldn't be called research, would it?" - Albert Einstein For this one we need to go all the way back to the first time we illustrated the fact that KCG's market making operation - the artist fka GETCO (or, Octeg for the uber-insiders) - was more sensitive to volatility than Virtu's market making operation, as illustrated below: Now, I know we've spent an inordinate amount of time on these names and related topics, but I'm going to beg your indulgence on this one because the findings are uniquely cool - and I'll keep it fairly short: Specific sensitivities to volatility by different trading platforms notwithstanding, the condition that yields the greatest potential for outperformance of these market making strategies tends to occur when realized volatility exceeds implied volatility. It turns out that since these strategies are actually not set up to predict volatility very well they are therefore designed to remain in a defensive posture along with the prevailing vol [...]