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macrocephalopod's profile
macrocephalopod
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@macrocephalopod

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macrocephalopod

@macrocephalopod

Paul Allen, Vice President M&A, Pierce & Pierce (Sie/Hir) | Vegan | Silence is Violence | Women’s Rights Are Human Rights | ACAB (Assigned Cephalopod At Birth)

Joined December 2020

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    1. macrocephalopod‏ @macrocephalopod 3 Mar 2021

      macrocephalopod Retweeted Wayne Himelsein

      Almost like you can’t summarise the performance of a trading strategy into one number. Sharpe has problems and is overused but is fine in its domain of applicability, and everyone knows what it means. Sortino, calmar etc fix some problems but introduce new ones.https://twitter.com/WayneHimelsein/status/1367146025819901953 …

      macrocephalopod added,

      Wayne Himelsein @WayneHimelsein
      Sharpe Ratio is not just wrong, it's offensive. With volatility as its denominator, it penalizes upside vol. Literally, the greater the convex payoff, the worse the Sharpe. It's one thing to just be a faulty metric, but quite another for the metric itself to be short vol.
      4 replies 2 retweets 53 likes
      Show this thread
      macrocephalopod‏ @macrocephalopod 3 Mar 2021

      Only good solution is to look at the entire equity curve, and even that’s not enough as you need to consider distribution of future equity curves, correlation with other strats, expected behaviour in tails etc.

      8:47 AM - 3 Mar 2021
      • 1 Retweet
      • 25 Likes
      • yx 🦴 G.H. Burns, CFA Paul Atreideez Nuts 🧦 Robert Martin Wayne Himelsein Robot James 🤖🏖 Tho Do Arthur Asenheimer Rigmarole
      5 replies 1 retweet 25 likes
        1. Saang Lee (이상선)‏ @saanglee 3 Mar 2021
          Replying to @macrocephalopod

          For every metric that shows a strat is good, there's another one that proves it's bad.

          0 replies 0 retweets 1 like
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        1. Chucktown Trader‏ @chucktowntrader 3 Mar 2021
          Replying to @macrocephalopod

          Its just a coarse filter used for basic comparisons and to start capital allocation conversations. Explaining why sharpe is a bad metric for your strategy is also a good convo. hiring I look at GPA even though I think it sucks as a predictor, have to start narrowing somewhere

          0 replies 0 retweets 1 like
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        1. joyflow‏ @joyflow4 3 Mar 2021
          Replying to @macrocephalopod

          How to consider the distribution of future equity curves?

          0 replies 0 retweets 0 likes
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        1. Alex Good‏ @goodalexander 3 Mar 2021
          Replying to @macrocephalopod

          Good's Sharpe Ratio ((% CAGR - Harvard tuition inflation%)*(% up months))/(Max Peak to Trough Drawdown %)

          0 replies 0 retweets 5 likes
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