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About
250+ Posts (10$/m) on Backtesting, Strategies, Alpha, code Quant Framework GitHub
Join over 6000 subscribers and get full CODE of the Framework.
Jan 4, 2024
•
Jakub
12
2
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…
May 26
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Jakub
12
1
How Portfolio Managers Actually Work - and What Has to Run Underneath
This is part of an ongoing series making QuantJourney's architecture visible.
May 25
•
Jakub
4
Service Identity at QuantJourney: Securing a Buy-Side Microservice Platform
This post is part of a broader effort to make QuantJourney’s architecture more visible.
May 24
•
Jakub
6
The Buy-Side Platforms: Owning the Truth
Every fund, prop office, family office, and asset manager eventually faces the same strategic question:
May 6
•
Jakub
12
1
Top 10
View all
Top 10 Posts on Strategies
These posts focus on actionable trading strategies, including factor investing, momentum, and alpha generation.
Jun 24, 2025
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Jakub
2
Top 10 Posts on Quantitative Infrastructure
These posts cover QuantJourney’s technical infrastructure, including backtesting, data management, and cloud setups.
Jun 24, 2025
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Jakub
1
Top 10 Posts for Beginners
Some posts are paid.
Jun 24, 2025
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Jakub
1
Top 10 Posts on AI and Machine Learning
Top 10 Posts on AI and Machine Learning
Jun 24, 2025
•
Jakub
To get access to CODE on GitHub and read 2-3 posts weekly please:
Subscribe
Framework
View all
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…
May 26
•
Jakub
12
1
How Portfolio Managers Actually Work - and What Has to Run Underneath
This is part of an ongoing series making QuantJourney's architecture visible.
May 25
•
Jakub
4
Service Identity at QuantJourney: Securing a Buy-Side Microservice Platform
This post is part of a broader effort to make QuantJourney’s architecture more visible.
May 24
•
Jakub
6
The Buy-Side Platforms: Owning the Truth
Every fund, prop office, family office, and asset manager eventually faces the same strategic question:
May 6
•
Jakub
12
1
The Hidden Problem in Buy-Side Platforms: Which Investment State Is True?
QuantJourney Framework
May 5
•
Jakub
9
1
Investment Memory: Why Most Portfolio Systems Lie to You
<link: https://quantjourney.substack.com/p/designing-a-real-portfolio-management>
Apr 30
•
Jakub
5
1
Moving Beyond Correlation – Hunting Alpha with Lead-Lag & Granger Causality
TL;DR Contemporaneous correlation tells you how to hedge, not where to position - directional alpha requires a non-zero lag.
Apr 22
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Jakub
11
1
The Consumer Is Not the Trade
Why the next downturn will not hit all consumer exposure equally
Mar 18
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Jakub
6
1
2
Crypto
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Bitcoin Cycles: A data-driven overview of halving events and price dynamic
Understanding Bitcoin’s 4-year cycles through data-driven analysis and systematic trading approaches.
Dec 22, 2025
•
Alexander Masztakowski
3
Beyond Loss Functions: A Practical Approach to Evaluating Financial ML Models
When I started building machine learning models for financial time series prediction, I quickly realized that traditional metrics like MSE (Mean Squared…
Dec 3, 2025
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Alexander Masztakowski
3
I've built 4 ML models to predict Bitcoin prices. Here's what actually worked.
Building and comparing LSTM, GRU, and hybrid architectures for time series forecasting
Nov 2, 2025
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Alexander Masztakowski
8
How to Build a Portfolio That Wins Across Regimes - with source code
TL;DR: You don’t need one perfect crypto strategy.
Sep 14, 2025
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Jakub
12
2
The Hunt for Alpha: Solana Token Sniper Bots That Spot Tradeable Launches
Inside the world of automated token discovery and the tools making it possible
Aug 30, 2025
•
Alexander Masztakowski
4
🚀 Algorithmic Crypto Trading Course - Second Edition is Here!
Master Automated Crypto Trading with Python
Aug 25, 2025
•
Jakub
3
How to make more profit from Crypto - smart crypto bots tuning with Optuna
The 5x improvement in Sharpe ratio (0.27 → 1.39) while maintaining similar drawdown - interested how to do it?
Aug 13, 2025
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Jakub
8
Mastering Level 2 Data in Crypto: Read the Order Book
“If price charts are the map, Level 2 data is the terrain.”
Aug 2, 2025
•
Jakub
3
Strategies
View all
Strategy 3: EMA Crossover + ADX
QuantJourney Strategy Series – Research-Grade Framework
Apr 14, 2025
•
Jakub
Strategy 2: Ichimoku Cloud + RSI
QuantJourney Strategy Series – Research-Grade Framework
Apr 14, 2025
•
Jakub
Strategy 4: SuperTrend + CCI
QuantJourney Strategy Series – Research-Grade Framework
Apr 14, 2025
•
Jakub
Strategy 5: MACD + RSI Confirmation
QuantJourney Strategy Series – Research-Grade Framework
Apr 14, 2025
•
Jakub
Strategy 6: Support/Resistance Breakout + Volume Confirmation
QuantJourney Strategy Series – Research-Grade Framework
Apr 14, 2025
•
Jakub
Zero to Hero
View all
NumPy Broadcasting (Python)
NumPy broadcasting is a powerful feature that allows array operations to be performed on arrays of different shapes efficiently.
Aug 2, 2024
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Jakub
2
Portfolio Diversification: Correlation and Risk Reduction
Diversification is often described as the only "free lunch" in investing. It's a risk management technique that mixes a wide variety of investments…
Jul 25, 2024
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Jakub
1
Sharpe Ratio: Evaluating Risk-Adjusted Returns
The Sharpe ratio is a powerful tool in an investor's arsenal, providing a way to evaluate the performance of an investment while taking into account the…
Jul 25, 2024
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Jakub
1
Understanding Beta: Measuring Market Sensitivity
Beta is a fundamental concept in finance that measures how sensitive an investment is to overall market movements. It's an essential tool for investors…
Jul 25, 2024
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Jakub
1
Understanding Volatility in Portfolio Theory
Introduction
Jul 25, 2024
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Jakub
1
Mastering Python Magic Methods in OOP for Financial Applications
I have often encountered situations where using Object-Oriented Programming (OOP) in Python can greatly enhance the efficiency and readability of my…
Jun 16, 2024
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Jakub
1
Comprehensive Guide to Writing Python Code
Python is a versatile, high-level programming language known for its readability and efficiency.
Jun 10, 2024
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Jakub
1
Backtesting for Beginners
How to make money on Apple and Google..
Mar 5, 2024
•
Jakub
1
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