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We explore the world of trading through Python. Learn from our experience and build your own trading strategy mastering alpha and risk management. You'll enhance your coding skills and get code to trade / invest like hedge-funds.

Platform
Substack
PricingFreemiumPublishesTwice weekly
Issues208Founded3 years agoLast Issue5 days ago
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Artwork for Quant Journey

Latest Issues

What a Candle Leaves Out: Reconstructing Bitcoin’s Order Book Tick by Tick

I recently started working with tick-level Bitcoin order book data containing up to 200 price levels on each side of the market.

It changed how I think about the information contained in a candle.

A one-minute OHLCV bar compresses an enti...

5 days ago
4

QuantJourney Backtester Is Now Open Source

Anyone can prompt an AI into a working backtester over a weekend. Building one you can actually trust is a different problem.

A backtest should do more than produce an equity curve. It should explain how signals became positions, when info...

9 days ago
5
9

Bitcoin Cycles Part 2: The Bottom Signals Are Aligning — Why I'm Starting to DCA

A follow-up to Bitcoin Cycles: A Quantitative Analysis of Halving Events and Price Dynamic


Where We Left Off

In Part 1, we were 20 months post-halving and 2 months past the October 2025 cycle peak of $126,210, trading around $90...

10 days ago
4

AI-Agent-Native Investment Infrastructure: MCP Access to IBOR, PMS, Risk and Research

TL;DR We built two MCP servers that let Claude and other AI agents query QuantJourney’s real investment infrastructure - market data, IBOR/PMS portfolio state, risk and research - not just public prices.

This post is part of an ongoing ser...

2 months ago
13
1
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How Portfolio Managers Actually Work - and What Has to Run Underneath

This is part of an ongoing series making QuantJourney's architecture visible.

This is part of an ongoing series making QuantJourney's architecture visible. This post explains the architecture through the workflows a portfolio manager uses...

2 months ago
4
Paid

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Authors

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  • Jakub

    Experienced long-term investor and financial quant on his journey to understand a bit more. Basic goal of building lasting wealth.

  • Alexander Masztakowski
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