Jeffrey Lin

⚡️Investor: Quant, Macro, VC, Movies :: IG: @jeffreylinla

[0x44 0x46 @0x440x46]

Domain Expertise Has Always Been the Real Moat | Aaron Brethorst https://t.co/PAFGWk8PIF

[Jeffrey Lin @JeffreyLin]

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.

[rewind @rewind02]

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 ability to build with AI

he identified 4 behaviors that break Claude Code and put them all into one file

a developer expanded it into 21 rules and published it - 82,000 stars and #1 on GitHub Trending

coding accuracy jumped from 65% to 94%

here's what these 21 rules actually are and why most developers using Claude every day have never configured them

the full breakdown is covered in the article below 👇

[Jeffrey Lin @JeffreyLin]

⚠️No #Claude were used in the making of this video

[Jeffrey Lin @JeffreyLin]

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 👇
🔗 https://t.co/stz8MmETvo

[Jeffrey Lin @JeffreyLin]

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

[MarketHeist.io @marketHEIST]

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 [https://t.co/qCmHGaFNS3] — would love your feedback! More coming...

[Jeffrey Lin @JeffreyLin]

@Globalflows One of my fav bookmarked posts

[Jeffrey Lin @JeffreyLin]

@Globalflows Thx bro

[Jeffrey Lin @JeffreyLin]

@zerohedge Gold has been tracking China M2 in lockstep since 2022: https://t.co/Pey2jPFU97

[HEIST22 @HEIST22Research]

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...

[HEIST22 @HEIST22Research]

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...

[Jeffrey Lin @JeffreyLin]

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. https://t.co/70bhFDNGZg

[Jeffrey Lin @JeffreyLin]

@billydslc Thanks buddy!

[Jeffrey Lin @JeffreyLin]

@marketminute Feel better!

[Jeffrey Lin @JeffreyLin]

@Hydraze420 @BoredApeYC @CryptoMories howdy...you look familiar

[Jeffrey Lin @JeffreyLin]

@Hydraze420 @CryptoMories Nice 👌🏼

[Jeffrey Lin @JeffreyLin]

@Cryptking_Ali @CryptoMories Following

[Jeffrey Lin @JeffreyLin]

@komodokitty_eth @CryptoMories 🐰hop on in!

[Jeffrey Lin @JeffreyLin]

@robbyhammz @CryptoMories Can I get another Morie instead of ETH 😂 let’s go #famorie

[Jeffrey Lin @JeffreyLin]

@ShowMeYourNFT @CryptoMories @NFTLauren @ozarky you look familiar 😂