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010: Perry Kaufman discusses applications of market noise, mitigating price shocks, volatility and using the Information Ratio to monitor strategy performance.

Better System Trader

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The Efficiency Ratio Is Not a Holy Grail

Each system would benefit from a stable, reliable measure of signal to noise. I've got so many more questions i'd like to ask, but let's just hand some over to the listeners. The first one is for perry coffman. He was very excited when reading about the efficiency ratio 20 years ago. It hasn't been the holy grail that i was looking for.

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