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sysls
openforage
5,408 posts
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sysls
openforage
@systematicls
All in @openforage. I thrived in all of the largest hedge funds managing systematic investment processes.
systematiclongshort.com
Joined April 2024
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  • Pinned
    user avatar
    sysls
    openforage
    @systematicls
    Jul 6
    Article cover image
    Article
    What The New 100x Agentic Engineer Looks Like In The Era Of Fable & GPT 5.6
    Introduction If you're lucky and are old enough to have been in the era of handwritten code, you will know that there exists the 100x software engineer. They are a class of software engineers who,...
    45K045K
  • user avatar
    sysls
    openforage
    @systematicls
    May 21, 2024
    Played poker for a really long time and at pretty high levels of the game. If you read this and conclude that all I have to do is to wait for the top 5 hands, you WILL, on average, do better than a vast majority of players - because the number one mistake is being too loose, and
    This post is unavailable.
    1M01M
  • user avatar
    sysls
    openforage
    @systematicls
    Sep 22, 2024
    Quant researcher, after a year of cleaning data and setting up feature engineering pipelines, age: 22.
    Image
    91K091K
  • user avatar
    sysls
    openforage
    @systematicls
    Nov 16, 2025
    Every quant knows the secret to alpha is: 1) Download 5 years of SPY data from Yahoo Finance 2) Backtest 47 different indicators until ONE works 3) Curve fit until your Sharpe is 8.7 4) Show it to NO ONE who might ask questions 5) Paper trade for 3 days 6) Go live with your life
    147K0147K
  • user avatar
    sysls
    openforage
    @systematicls
    Apr 27, 2025
    There are only 4 ways to make money: 1. You are selling a service - e.g. providing liquidity/options for willing buyers. 2. You are earning a risk premium for doing something risky with your cash, e.g. you are willing to buy growth stocks before they have become empirically
    user avatar
    BURKOV
    @burkov
    Apr 27, 2025
    If algorithmic stock prediction doesn't work, how do these patterns work? Are you saying it's all a lie?!
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    190K0190K
  • user avatar
    sysls
    openforage
    @systematicls
    Jun 17, 2024
    Article cover image
    Article
    The Modern Spirit Of Statistical Arbitrage
    Introduction In this article, I would like to introduce statistical arbitrage (statarb) the way I understand it, as a practitioner at the forefront of the dark arts of statistical arbitrage. If you...
    260K0260K
  • user avatar
    sysls
    openforage
    @systematicls
    May 9, 2024
    Replying to @paulg
    very good point - his podcasts sample from a large space of knowledge, the probability of being wrong increases as a fn of the num of podcasts.. if he does 2 podcasts, chances of being wrong is 40%, if he does 6 podcasts, chances of being wrong is 120%, but that's another matter
    52K052K
  • user avatar
    sysls
    openforage
    @systematicls
    May 21, 2024
    I should have known the Quant Trading X Poker intersection is large. Since there is some engagement here, let me share something interesting that is relevant to both sides of the house. Non-ergodicity. If you google this word it will tell you something about something not
    user avatar
    sysls
    openforage
    @systematicls
    May 21, 2024
    Played poker for a really long time and at pretty high levels of the game. If you read this and conclude that all I have to do is to wait for the top 5 hands, you WILL, on average, do better than a vast majority of players - because the number one mistake is being too loose, and
    186K0186K
  • user avatar
    sysls
    openforage
    @systematicls
    Nov 17, 2025
    Love seeing people discover that "momentum works" after backtesting QQQ for 6 months. Congrats, you just rediscovered a risk factor that's been in textbooks since 1993, has 10,000 academic papers written about it, and is currently being harvested by $500B in AUM. Your 200-day
    66K066K
  • user avatar
    sysls
    openforage
    @systematicls
    Nov 17, 2025
    An Introduction to Statistical Arbitrage In The Form Of Books: Big Picture: โ€ข Quantitative Portfolio Management (Isichenko) A-Z of statarb, greatest hits: Forecasting, Forecast Combining Creating Signals: โ€ข Quantitative Trading (Chan) Mean reversion and momentum intro,
    51K051K
  • user avatar
    sysls
    openforage
    @systematicls
    Nov 17, 2025
    You cannot build edge in markets you don't understand. Harris teaches you how markets ACTUALLY work and who are the participants you are trading against, and WHY they trade, not the fantasy version you learned from YouTube. Most rookie mistakes come down to not understanding
    user avatar
    Gappy (Giuseppe Paleologo)
    @__paleologo
    Nov 16, 2025
    Replying to @experquisite @therobotjames and 4 others
    Can I recommend the aging โ€œTrading and Exchangesโ€ by Harris
    57K057K
  • user avatar
    sysls
    openforage
    @systematicls
    Sep 3, 2024
    "The difficult part is not to make some money with high sharpe - it's to make A LOT of money with sufficiently high sharpe. 15 million dollars a year with 30 sharpe, who cares. 15 billion a year with 2 sharpe, that's hard." This is honestly the biggest take-away anyone that's
    user avatar
    Corey Hoffstein ๐Ÿดโ€โ˜ ๏ธ
    @choffstein
    Sep 2, 2024
    Multi-Manager Hedge Funds & Thinking Deeply About Simple Things with @__paleologo In this episode I chat with Giuseppe Paleologo โ€“ or Gappy as he likes to be called. Currently on garden leave, Gappy has previously worked in Risk & Quantitative Analytics at Citadel, as Head of
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    101K0101K
  • user avatar
    sysls
    openforage
    @systematicls
    Sep 10, 2024
    A lecture to stanford grads from a CEO of a PE firm, having ran it for 23 years to > 15B AUM. Summary: 1. Don't play to not lose, play for an asymmetric upside. Loss is often capped to 1x your capital. Figure out levers in business that stack exponentially: strong management
    36K036K
  • user avatar
    sysls
    openforage
    @systematicls
    Oct 20, 2025
    I make money because: [ ] I am harvesting risk premia [โœ“ ] I have alpha from superior models [โœ“ ] I have alpha from superior data/information [ ] I have superior access to cost/rebates [ ] I don't I keep my money / sustain a moat because my strategy: [ ] Has
    39K039K
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