Jeffrey Lin @JeffreyLin
⚡️Investor: Quant, Macro, VC, Movies :: IG: @jeffreylinla linkedin.com/in/jeffreylin/ Los Angeles Joined April 2008-
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"If—" is a poem by English poet Rudyard Kipling If you can keep your head when all about you Are losing theirs and blaming it on you; If you can trust yourself when all men doubt you, But make allowance for their doubting too: If you can wait and not be tired by waiting, Or being lied about, don't deal in lies, Or being hated don't give way to hating, And yet don't look too good, nor talk too wise; If you can dream—and not make dreams your master; If you can think—and not make thoughts your aim, If you can meet with Triumph and Disaster And treat those two impostors just the same: If you can bear to hear the truth you've spoken Twisted by knaves to make a trap for fools, Or watch the things you gave your life to, broken, And stoop and build 'em up with worn-out tools; If you can make one heap of all your winnings And risk it on one turn of pitch-and-toss, And lose, and start again at your beginnings And never breathe a word about your loss: If you can force your heart and nerve and sinew To serve your turn long after they are gone, And so hold on when there is nothing in you Except the Will which says to them: 'Hold on!' If you can talk with crowds and keep your virtue, Or walk with Kings—nor lose the common touch, If neither foes nor loving friends can hurt you, If all men count with you, but none too much: If you can fill the unforgiving minute With sixty seconds' worth of distance run, Yours is the Earth and everything that's in it, And—which is more—you'll be a Man, my son!
Domain Expertise Has Always Been the Real Moat | Aaron Brethorst brethorsting.com/blog/2026/05/d…
USE AI TACTICALLY Most people aren’t using AI effectively. AI is a tool, and like any tool, there are specific use cases where the tool is most effective. However, most people I see try to use it for everything, waste time, and get frustrated when they don’t get results.
Andrej Karpathy spent 4 minutes in an interview explaining a single idea about how most people haven’t even started learning how to use AI and everyone paying $20/month for a subscription.. that's not really using Claude at all his point is that the real skill gap is the
⚠️No #Claude were used in the making of this video
Technical specs for the quants: • Next-bar open execution (no lookahead) • IS/OOS degradation scores to test generalization • 1k+ Monte Carlo shuffles to kill path-dependency • Pyodide WASM sandbox for custom indicators • MCP server for Claude Desktop & full REST API
Backtesting usually lies. Most web tools overfit or ignore lookahead bias I built this #Backtest tool for my own systematic strategies validation: Walk-forward IS/OOS, Monte Carlo, & regime filtering in seconds Free, but need your feedback 👇 🔗 marketheist.io/backtest
MarketHeist is back. We've been quiet for a while — but we've been working. Here's our first update: a free #backtesting tool 🚀we use ourselves to vet systematic strategies. Walk-forward, Monte Carlo, no signup [marketheist.io/backtest/] — would love your feedback! More coming...
@Globalflows One of my fav bookmarked posts
@zerohedge Gold has been tracking China M2 in lockstep since 2022: x.com/heist22researc…
Gold is up 18% in 2025 and 36% over the past year, unaffected by tariffs or any other news. Since the Great Financial Crisis (GFC) in 2008, the price of Gold has moved eerily in lockstep with Japan's M2 Money supply [1st CHART] But in 2022, everything changed for Gold...
Gold is up 18% in 2025 and 36% over the past year, unaffected by tariffs or any other news. Since the Great Financial Crisis (GFC) in 2008, the price of Gold has moved eerily in lockstep with Japan's M2 Money supply [1st CHART] But in 2022, everything changed for Gold...
Starting to share my quantitative signals on Macro assets U.S. Dollar, Crude Oil, & Gold. Here's this week's update. No change this week. open.substack.com/pub/heist22/p/…
@Hydraze420 @BoredApeYC @CryptoMories howdy...you look familiar
@komodokitty_eth @CryptoMories 🐰hop on in!
@robbyhammz @CryptoMories Can I get another Morie instead of ETH 😂 let’s go #famorie
TraderSmarts @TraderSmarts
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sin_eater @p357
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sin_eater @p357
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Starcloud @Starcloud_
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China Last Night @chinalastnight
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CME Group Interest Ra... @Interest_Rates
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CRYPTONITE CAPITAL @cryptonitecap_
2K Followers 2K Following Cryptonite Capital exists to empower & invest in the builders of the Web3 future I Primary and Secondary Markets I https://t.co/FrjZEozuex I @CC_interns I
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John @market_sleuth
73K Followers 523 Following God is the source of my purpose: Job 42:2 | Survived the dot com bubble 🫧📈 📉🔎| I also play synthesizers 🎹 | https://t.co/G7Cu8mW5tb
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30K Followers 5K Following Portfolio manager with momentum and vol strategies. Also hack guitar player who sings. Tweets/RTs are not investment advice. You need to do your own work!!
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4K Followers 206 Following We remove color, odor, and other impurities from polypropylene (No.5) plastic waste, resulting in an ultra-pure recycled resin. One Goal: #APurePlanet ♻️🌎
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America @america
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