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lmao that one I can for sure see how it happens. Tough break.
I would strongly encourage everyone to build tight turnover and leverage limits into their strategies, at multiple independent levels 
Yep, also I'm guessing this is based off Black-Scholes so probably something to account for it dictating fractions in the hedging.
As far as I remember it was even ditzier, smth like a function that should have rounded toward zero actually rounded away from zero? Net exposure is 0.7 so sell 1 contract to bring your net to -0.3, but then system thinks you need to buy 1, which brings you back to 0.7 etc...
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