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Category: Trading

Aktiesektorer

Posted on November 27, 2025 by Peter Andersson

1. Information Technology (IT) Går bra när: Går dåligt när: 2. Healthcare Går bra när: Går dåligt när: 3. Financials (banker, försäkring, kapitalförvaltare) Går bra […]

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Trading

The Monday Effect, Month-End Flows, and FOMC Drift — Why These Seasonal Patterns Still Matter in Trading

Posted on November 17, 2025 by Peter Andersson

The Monday Effect, Month-End Flows, and FOMC Drift — Why These Seasonal Patterns Still Matter in Trading Three classic market anomalies that remain relevant in […]

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Trading

FinBERT vs FinGPT vs FinLLM — A Technical Comparison for 2025

Posted on November 17, 2025 by Peter Andersson

Financial NLP has evolved from simple sentiment classifiers to full-stack domain-specialized LLMs. Three names dominate most discussions today: FinBERT, FinGPT, and FinLLM.They solve related problems, […]

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Trading

Event-Driven Trading: Where Real Edge Still Exists in 2025

Posted on November 17, 2025 by Peter Andersson

Why certain scheduled events create predictable market behaviour — and how traders can systematically exploit the flow. Most edges in trading have weakened over the […]

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Trading

The Ultimate Trading Checklist (Daily, Weekly, Monthly)

Posted on November 16, 2025 by Peter Andersson

A practical, repeatable routine for consistent trading performance. Great traders don’t rely on motivation, intuition, or luck.They rely on process. A structured checklist removes emotion, […]

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Trading

The 12 Trading Mistakes That Destroy Edge — and How to Avoid Them

Posted on November 16, 2025 by Peter Andersson

The final part of the “Real Trading Wisdom” series. Most traders don’t fail because their ideas are bad.They fail because they unknowingly destroy their own […]

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Trading

Trading Rules That Actually Provide Edge in 2025

Posted on November 16, 2025 by Peter Andersson

What still works in a modern, high-efficiency, AI-driven market. Most trading “wisdom” is psychology or folklore. But a smaller set of principles consistently generates real […]

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Trading

50+ Trading Truths Every Investor Learns Eventually

Posted on November 16, 2025 by Peter Andersson

Common sayings, market folklore, and the “everyone knows this” principles behind real trading. (or what you always wanted to known about trading secrets but were […]

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Trading

The Great ETF Wall: Why Europeans Can’t Buy U.S. ETFs (and What to Buy Instead)

Posted on October 6, 2025 by Peter Andersson

If you’ve ever tried to buy SPY, VOO, or QQQ from a European broker, you’ve probably run into a frustrating wall of regulation.The ETFs are […]

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Trading

Taming PyInstaller: My Journey to a Working Backtesting Executable

Posted on March 27, 2025 by Peter Andersson

When I set out to build an executable for my backtesting application using PyInstaller, I ran into a series of errors that taught me a […]

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Development, Python, Trading

Understanding TWS Common Stock and Options Scanner Codes

Posted on January 14, 2025 by Peter Andersson

In the world of trading and analysis, TWS scanner codes are invaluable tools for identifying stocks and options that meet specific criteria. Here’s a breakdown […]

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Development, Trading

Top 30 Traded ETFs of 2024: Insights and Highlights

Posted on January 6, 2025 by Peter Andersson

Exchange-Traded Funds (ETFs) remain a cornerstone of modern investing, offering flexibility, diversification, and liquidity to traders and investors alike. As we analyze the most traded […]

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Trading

Tracking Orders with Interactive Brokers API: The Importance of reqOpenOrders and Client ID

Posted on October 28, 2024 by Peter Andersson

When working with the Interactive Brokers (IB) API, one of the most essential components for effective order tracking is understanding the role of client ID […]

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Development, Python, Trading

The Evolution of Stock Exchanges: From Floor Trading to Electronic Trading

Posted on June 29, 2024 by Peter Andersson

Introduction The global financial markets are supported by a vast network of stock exchanges, each with its unique history, regulatory environment, and technological advancements. There […]

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Development, Trading

Technical and Fundamental Analysis – a profitable combination?

Posted on March 8, 2023 by Peter Andersson

Trading in financial markets can be a complex and challenging endeavor. Traders need to analyze various data points to make informed decisions about when to […]

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Trading

About Volatility

Posted on June 18, 2022 by Peter Andersson

Volatility is one of the most important attributes of any tradeable instrument. It indicates how volatile, or ‘risky’ if you will, the price is. But […]

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Development, Linux, Math, Trading

Download EOD data from Yahoo Finance to a Python Pandas Dataframe

Posted on April 17, 2019 by Peter Andersson

If you use the Pandas DataReader and get this message: pandas_datareader.exceptions.ImmediateDeprecationError: Google finance has been immediately deprecated due to large breaks in the API without […]

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Development, Python, Trading

Calculating Historical Volatility

Posted on April 27, 2017 by Peter Andersson

Historical Volatility shows how volatile an asset has been. There are numerous ways of calculating it, and I will show the most simple one here. […]

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Development, Trading

The Lazy Investor

Posted on February 18, 2017 by Peter Andersson

I have started a new project. Since I do a fair share of investing, both in futures and stocks, I have tried several different  ways […]

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Java, Ruby on Rails, Trading

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