Petch's Investing Blog

A repository showcasing my research in quantitative finance, statistics, trading systems, and market analysis. Open to professional inquiries.

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Automating Ratings: Tracking Analyst Upgrades and Downgrades
2025-12-14coding
#interactive broker#us stocks#ib_insync#upgrades-downgrades
DUSIT Event: Missing the boat
2025-09-02stock
#thai stocks#dusit#investing#capitulation
CRWD outage: The Cost of Hesitation
2025-07-25stock
#us stocks#crwd#investing#capitulation
Building a Quantitative Foundation: Why I Built this repo
2024-12-15coding
#interactive broker#us stocks#ib_insync
SCB Irrationality: When Politics Trumps Fundamentals
2023-05-08stock
#thai stocks#scb#investing#capitulation
GME: When Market Dynamics Override Fundamentals
2023-03-25stock
#us stocks#gme#investing#trading#short squeeze
MSTR: The Scar of Arrogance and Over-Sizing
2022-05-10stock
#us stocks#mstr#trading#short squeeze
Engineering a Multi-Asset Backtest Framework from Scratch
2022-03-06coding
#algorithmic trading#crypto#binance#backtest
Developing a Neutral Exposure Engine: Trading the Spread
2022-02-03coding
#algorithmic trading#crypto#binance#spread
Building a Cross-Ticker Execution Engine for Crypto Markets
2022-01-19coding
#algorithmic trading#crypto#binance