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Personal finance, investing, and financial literacy.

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Designing a Discount-Validation API: Catching Stacked-Coupon Math Errors Before They Hit Production

Designing a Discount-Validation API: Catching Stacked-Coupon Math Errors Before They Hit Production

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6 min read
PSX Investor: A FastAPI Tool for Disciplined Stock Investing on the Pakistan Stock Exchange

PSX Investor: A FastAPI Tool for Disciplined Stock Investing on the Pakistan Stock Exchange

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8 min read
We open-sourced 449 real equipment financing quotes so nobody has to trust our math

We open-sourced 449 real equipment financing quotes so nobody has to trust our math

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2 min read
The Moving Average Awakens: A Star Wars Guide to RSI

The Moving Average Awakens: A Star Wars Guide to RSI

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5 min read
How late is Form 4 'real-time' data? Measuring filing delay on 11,241 insider filings

How late is Form 4 'real-time' data? Measuring filing delay on 11,241 insider filings

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3 min read
The ₹18 LPA that quietly became ₹1.1L a month

The ₹18 LPA that quietly became ₹1.1L a month

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3 min read
How much of the SPX options tape is dealer-to-dealer? A free daily floor from OCC data

How much of the SPX options tape is dealer-to-dealer? A free daily floor from OCC data

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3 min read
How much of the SPX options book is new each day? Open-interest change across 1,081 sessions

How much of the SPX options book is new each day? Open-interest change across 1,081 sessions

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4 min read
How far does SPX travel before the close? An empirical touch-probability surface from 1,082 sessions

How far does SPX travel before the close? An empirical touch-probability surface from 1,082 sessions

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4 min read
What's a "good" dividend yield? You need a second number

What's a "good" dividend yield? You need a second number

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2 min read
Finding the One: Moving Averages and RSI Indicators – A Neo’s Guide

Finding the One: Moving Averages and RSI Indicators – A Neo’s Guide

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4 min read
LAB now ships a free Idea Feed: rule-shaped trading ideas, deliberately untested

LAB now ships a free Idea Feed: rule-shaped trading ideas, deliberately untested

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2 min read
FlashAlpha vs Bloomberg Terminal 2026 - Options Analytics for Quants

FlashAlpha vs Bloomberg Terminal 2026 - Options Analytics for Quants

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9 min read
Point-in-Time Fundamentals for Numerai Signals: Killing Lookahead in Your Feature Join

Point-in-Time Fundamentals for Numerai Signals: Killing Lookahead in Your Feature Join

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5 min read
The Position Sizing Power‑Up: Leveling Up Your Algo Trading Risk Management

The Position Sizing Power‑Up: Leveling Up Your Algo Trading Risk Management

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5 min read
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