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# finance

Personal finance, investing, and financial literacy.

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How to Detect Lookahead Bias in a Backtest: A Practical Checklist

How to Detect Lookahead Bias in a Backtest: A Practical Checklist

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5 min read
Build a local finance page AI actually cites: a template and a test to prove it

Build a local finance page AI actually cites: a template and a test to prove it

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3 min read
How to make an AI engine trust a finance page: an implementation checklist

How to make an AI engine trust a finance page: an implementation checklist

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4 min read
Survivorship Bias vs Lookahead Bias: The Two Silent Backtest Killers

Survivorship Bias vs Lookahead Bias: The Two Silent Backtest Killers

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5 min read
Point-in-Time Fundamentals Data: What It Is, Why It Matters, and How to Choose

Point-in-Time Fundamentals Data: What It Is, Why It Matters, and How to Choose

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6 min read
How to Build a Point-in-Time Fundamentals Database from SEC EDGAR (and When Not To)

How to Build a Point-in-Time Fundamentals Database from SEC EDGAR (and When Not To)

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5 min read
Your Backtest Saw the Future: Lookahead Bias in Fundamental Data, Measured Across 313,562 Rows

Your Backtest Saw the Future: Lookahead Bias in Fundamental Data, Measured Across 313,562 Rows

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8 min read
The Bot Awakens: Building Your First Crypto Trading Automation

The Bot Awakens: Building Your First Crypto Trading Automation

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5 min read
Backtesting Trading Strategies: From Theory to Execution – A Quest Like in *The Matrix*

Backtesting Trading Strategies: From Theory to Execution – A Quest Like in *The Matrix*

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4 min read
Why I Added a Slippage Circuit-Breaker to My TWAP Execution Engine

Why I Added a Slippage Circuit-Breaker to My TWAP Execution Engine

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2 min read
A $100K Salary Is Not the Same Money in CA, TX, NY, and FL (2026 Numbers)

A $100K Salary Is Not the Same Money in CA, TX, NY, and FL (2026 Numbers)

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2 min read
How to Get Clean SEC EDGAR Filing Data (Without Getting Rate-Limited)

How to Get Clean SEC EDGAR Filing Data (Without Getting Rate-Limited)

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3 min read
Why Finance Agents Need a Model Layer, Not Just Spreadsheet Access

Why Finance Agents Need a Model Layer, Not Just Spreadsheet Access

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5 min read
High-Frequency Trading: Like a Boss in Dark Souls

High-Frequency Trading: Like a Boss in Dark Souls

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4 min read
Credit risk is more than predicting default: building the full stack in Python (IFRS 9 ECL, scorecards, monitoring)

Credit risk is more than predicting default: building the full stack in Python (IFRS 9 ECL, scorecards, monitoring)

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6 min read
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