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Jiajun Liang's Digital Garden

Jiajun Liang's Digital Garden

Former QA engineer writing about code, markets, travel, and systems.

Latest Writing

The $50B Blind Spot: Why 80% of Companies Don’t Know They’re Breaking AI Laws Right Now

The Uncomfortable Truth

October 20, 2025

Inside the Machine: How Market Makers Actually Hedge Gamma (And Why Walls Break)

The Machine’s Imperative: Delta Must Equal Zero

October 19, 2025

Gamma Wall Data Conflicts: Why SpotGamma ≠ SqueezeMetrics ≠ Bloomberg

The Confusion: Three Platforms, Three Different Numbers

October 19, 2025

Gamma Wall: The Secret Behind Price ‘Magnets’ in Options Markets

The Mystery of the Hovering Price

October 19, 2025

The Fog of War: Why You Only See 30% of the Gamma Game

The Setup: When the Wall Wasn’t There

October 19, 2025

TFSA × QQQ Deep ITM LEAPS: A Practical Guide to Tax-Free Leveraged Compounding

Executive Summary

October 15, 2025

AMD vs Intel in AI Portfolios: Tactical Value Analysis for NVIDIA-Heavy Investors

Executive Summary

October 13, 2025

QA to DevOps Transition 2025: Market Outlook, Salary Data & Skills Gap Analysis

Executive Summary

October 13, 2025

The Nuclear Renaissance: Why Microsoft Pays 83% Premiums for AI Power

Executive Summary

October 11, 2025

Liquid Cooling Revolution: The $23B Equipment Supercycle Powering AI

Executive Summary

October 11, 2025

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