Archive (or by tag)

• Claude Code, Claude Skills and the Vibe Coding Revolution (Oct 29, 2025)
• Bad Vibes: High Variance v. High Bias (Aug 9, 2025)
• Urban Myths of AI (Jul 13, 2025)
• 16 Agent Patterns: An Agent Engineering Primer (May 12, 2025)
• The AI Economic Singularity is Near (Apr 12, 2025)
• The State of AI in 2025 (Jan 12, 2025)
• There Are Levels To This Game: The 5 Stages of AI Adoption (Jul 28, 2024)
• AI Disasters and How to Avoid Them, and Use Tools Like ChatGPT Effectively Without Risking Your Reputation and Career (Jun 5, 2024)
• How To Build a Financial Market Data Chatbot with OpenBB and LangChain: A Step-by-Step Guide (Including Video and Code) (May 26, 2024)
• Summarize a complete book using the giant context window in Gemini 1.5 (Mar 14, 2024)
• Generative AI in 2024 (Feb 27, 2024)
• Practical ChatGPT Prompting: 15 Patterns to Improve Your Prompts (Jan 13, 2024)
• OpenAI DevDay (Nov 7, 2023)
• Truth, Lies, and ChatGPT (Sep 15, 2023)
• Bullshit (Sep 14, 2023)
• ChatGPT, OpenAI, and the Generative AI Revolution (Mar 29, 2023)
• NYC Subways and the Terrible, Horrible, No Good, Very Bad, Turnstile Data (Feb 12, 2023)
• Numbers With Wings: A Modern Data Stack-In-A-Box (Jan 22, 2023)
• Kant, Nietzsche, Elon Musk, SBF, wokeness, and the categorical imperative (Dec 17, 2022)
• Time Series Analysis In Theory (Nov 26, 2022)
• How I learned to stop worrying and love PCA: The optimal threshold for PCA dimensionality reduction (May 16, 2022)
• Crypto systems, iron laws, and levels of resilience (Apr 16, 2022)
• The AI Hierarchy of Needs (Mar 29, 2021)
• Optimal Safe Withdrawal for Retirement Using Certainty-Equivalent Spending, Revisited (Feb 19, 2021)
• What I would have written if I were Jack Dorsey (Jan 14, 2021)
• Demystifying Portfolio Optimization with Python and CVXOPT (Dec 6, 2020)
• Beyond Grid Search: Using Hyperopt, Optuna, and Ray Tune to hypercharge hyperparameter tuning for XGBoost and LightGBM (Oct 12, 2020)
• Deploy a Microservice to AWS Elastic Container Service: The Harder Way and the Easier Way (Aug 27, 2020)
• Cookie Cutter Machine Learning with Docker (Jul 20, 2020)
• The Biggest Bluff: She Stoops To Conquer (Jul 9, 2020)
• Deep Reinforcement Learning For Trading Applications (Alpha Architect) (Feb 26, 2020)
• Forecasting US Equity Market Returns with Machine Learning (Alpha Architect) (Jan 7, 2020)
• Understanding Classification Thresholds Using Isocurves (Oct 15, 2019)
• Why Blockchain Is (Mostly) Useless (Sep 7, 2019)
• There ain't no such thing as a free option (Jun 7, 2019)
• On the end of the StreetEYE experiment. (Mar 31, 2019)
• How I learned to stop worrying and love quantitative tightening (Feb 4, 2019)
• The Top 100 People To Follow For Financial News On Twitter, January 2019 (Jan 5, 2019)
• Machine Learning Classification Methods and Factor Investing (Alpha Architect) (Dec 21, 2018)
• Jupyter Notebook on an AWS instance (Sep 29, 2018)
• What I Learned From Watching The Sting And Reading David Maurer (Aug 25, 2018)
• The Most Shared Financial Blogs 2018 (Jul 29, 2018)
• Machine Learning for Financial Market Prediction — Time Series Prediction With Sklearn and Keras (Alpha Architect) (Jun 5, 2018)
• Losing the meta-game (May 19, 2018)
• Quantitative Fun With Fund Names (Feb 19, 2018)
• The Bitcoin crash is coming (Dec 13, 2017)
• Guns (Oct 8, 2017)
• Machine Learning for Investors: A Primer (Alpha Architect) (Sep 27, 2017)
• A Google teachable moment, or the end of Western civilization? (Aug 6, 2017)
• UBI, health care, welfare economics and asshole economics (Jul 23, 2017)
• The Top 100 People To Follow To Discover Financial News On Twitter, May 2017 (May 8, 2017)
• Rethinking the marketplace of ideas (Mar 30, 2017)
• Come back Kelly Evans! We'll be good this time! I promise! (Feb 19, 2017)
• Some fun data-mining of StreetEYE headlines (Feb 5, 2017)
• Is Silicon Valley Truly Libertarian? Is Politics Society's OS, Ripe For Disruption? (Jan 12, 2017)
• Buyer’s markets, seller’s markets and the hedge fund hype cycle (Dec 29, 2016)
• "Fake news", market designs, and the fascist/libertarian nexus (Nov 28, 2016)
• Everyone lives in a bubble, and all models are overfitted (Nov 13, 2016)
• Safe Retirement Spending Using Certainty Equivalent Values and TensorFlow (Aug 28, 2016)
• The Game Theory of Assholes (Aug 20, 2016)
• Pokémon economics, secular stagnation, and cognitive dissonance (Jul 31, 2016)
• A fun 3D visualization of the financial Twittersphere (Jul 8, 2016)
• Negative interest rates are an unnatural abomination (Jul 2, 2016)
• Hillary’s damn emails (Jun 9, 2016)
• The Top 100 People To Follow To Discover Financial News On Twitter, May 2016 (May 1, 2016)
• A possibly ill-conceived rant on race in America (Mar 6, 2016)
• What if everyone was a passive investor except Warren Buffett? (Feb 16, 2016)
• Narratives Are Powerful, But Check the Math (Jan 24, 2016)
• iPhone Backdoors for the FBI, a blockchain approach for transparent due process, and why it’s a bad idea (Jan 1, 2016)
• The most popular keywords and sites of 2015 (Dec 29, 2015)
• The End of the PC? On Intel’s Apple and ARM problems (Nov 16, 2015)
• Is China’s sale of Treasurys ‘quantitative tightening’ for the US? (Oct 10, 2015)
• The tontine: funny French name, brilliant idea (Sep 28, 2015)
• God help us (Sep 5, 2015)
• Smart Beta: Maybe Smart, But Definitely Not Beta (Aug 30, 2015)
• The Mathematics of Bluffing (Aug 11, 2015)
• Through the Looking Glass (Jul 18, 2015)
• The Garbage Fire That is Greece (Jul 11, 2015)
• 4 blinding glimpses of the obvious on Greece (Jul 3, 2015)
• Why does everyone hate libertarians? (May 16, 2015)
• Don’t feed the trolls (May 9, 2015)
• Are food stamps Walmart subsidies, and should the minimum wage be $15? (Apr 26, 2015)
• The Top 100 People To Follow On Twitter For Financial News (Apr 20, 2015)
• Mapping the Financial / Media Twittersphere (Apr 17, 2015)
• Why Are There Recessions And Business Cycles? (Apr 12, 2015)
• Gold as Part of a Long-Run Asset Allocation (update) (Apr 5, 2015)
• Good risks and bad risks (Mar 30, 2015)
• ‘Net neutrality’, Netflix vs. the cable monopoly, and the Internet profits tax (Feb 26, 2015)
• Andreessen v. Summers: Can you have robots, hoverboards, and secular stagnation? (Feb 20, 2015)
• Game theory, Bill Belichick, Neville Chamberlain (Feb 5, 2015)
• A Greece reading list (Or why the euro is doomed) (Feb 1, 2015)
• PCs Were the Triumph of the Nerds; iPhone is the Revenge of the Cool Kids (Jan 27, 2015)
• The Dark Web Stack, Or How To Eff Up The Net (Jan 23, 2015)
• UberFail - a few thoughts on Uber (Jan 4, 2015)
• A Piketty counterargument: Is r > g a reasonable assumption? (Oct 21, 2014)
• Risk: Visualizing Diversification With Risk Triangles (Oct 5, 2014)
• Risk: Why is volatility used to measure risk? (Sep 28, 2014)
• Retirement plans that maximize certainty-equivalent spending (conclusion) (Jan 22, 2014)
• Retirement plans that maximize certainty-equivalent spending, part 2 (Jan 19, 2014)
• Optimal certainty-equivalent spending retirements with DataNitro (Jan 8, 2014)
• Bitcoin is the Linux of payments. And its killer apps will be for US dollars. (Dec 29, 2013)
• Why Bitcoin is here to stay (Nov 24, 2013)
• Amazon is making money (Oct 28, 2013)
• The StreetEYE manifesto (Oct 1, 2013)
• Obama goes all-in on Inspector Clouseau for the Fed (Aug 13, 2013)
• Risk arbitrage _ Investing and poker (Aug 2, 2013)
• “Cat Food” Revisited: Final Thoughts - Part 4 (May 15, 2013)
• ‘Cat Food’ revisited – testing dynamic spending rules – Part 3 (Feb 18, 2013)
• ‘Cat Food’ revisited – testing dynamic spending rules – Part 2 (Feb 3, 2013)
• ‘Cat Food’ revisited: testing dynamic spending rules - Part 1 (Jan 25, 2013)
• What’s the worst that could happen? (Jan 18, 2013)
• ‘Big Data’ (Jan 5, 2013)
• What I Learned (Dec 30, 2012)
• Social capital, or the lost art of not taking a dump in the community pool (Nov 4, 2012)
• Broken Windows (Nov 1, 2012)
• The Paul Ryan plan (Aug 12, 2012)
• A Target2 Thought Experiment (Jun 5, 2012)
• Domino on the edge (May 16, 2012)
• Startup Growth v. Revenue (Apr 29, 2012)
• How to Create the Ultimate Linkfest (Mar 25, 2012)
• The Money Illusion (Mar 3, 2012)
• The New Information Diet: Web and Social Media Best Practices For Investors (Feb 27, 2012)
• Steve Jobs, by Walter Isaacson (Feb 22, 2012)
• Buffett, Stocks, Bonds, Gold (Feb 13, 2012)
• Is Facebook Worth $100B? (Feb 4, 2012)
• Are long term asset class relationships stable? (Jan 23, 2012)
• Portfolio Optimization and Efficient Frontiers in R (Jan 18, 2012)
• Gold as Part of a Long-Run Asset Allocation (Jan 17, 2012)
• Over-The-Top Speculations (Jan 4, 2012)
• 2012: Toilet bowl or takeoff? (Dec 23, 2011)
• Once Again, Britain stands alone (Dec 10, 2011)
• Unstoppable Forces vs. Immovable Objects (Dec 4, 2011)
• Why only millionaires should play Powerball (Nov 28, 2011)
• Margin Call - A Big Sell Out (Oct 28, 2011)
• Occupying Ourselves (Oct 16, 2011)
• Steve Jobs, 1955-2011 (Oct 6, 2011)
• Apocalypse Now? (Sep 26, 2011)
• Deleveraging: A Parable (Sep 17, 2011)
• The Efficient Atmospheres Hypothesis (Sep 10, 2011)
• Random Tech Comments (Sep 2, 2011)
• Overhyped Economic Hurricane? (Aug 28, 2011)
• ‘Cat Food’ In An Age of Diminished Expectations (Aug 22, 2011)
• Lucky Duckies and Red Herrings (Aug 11, 2011)
• State of Play (Jul 30, 2011)
• Fannie, Freddie, And The Causes Of The Financial Crisis (Jul 25, 2011)
• The debt limit and the bond market (Jul 16, 2011)
• ETFs: Get Off My Lawn! (Jun 29, 2011)
• The Great Bitcoin Robbery (Jun 21, 2011)
• 100 traders, 100 boxes, part deux (Jun 7, 2011)
• We make our tools, and then our tools make us (Jun 1, 2011)
• The bottom is always at least 10% below your worst case expectation (May 25, 2011)
• What is money? (May 15, 2011)
• 6 Reasons Why There Will Be No Chinese Jasmine Revolution (May 7, 2011)
• Questions for Gentle Ben (Apr 27, 2011)
• Can the US default on its debt? (Apr 19, 2011)
• From the unthinkable to the inevitable: why the Euro is doomed (Apr 18, 2011)
• Why I am not a libertarian (Apr 17, 2011)
• ‘Bretton Woods 2’ (Apr 16, 2011)
• Why I am not a true gold bug, and the gold standard isn’t coming back (Apr 10, 2011)
• Tech Trends (Apr 6, 2011)
• Red Capitalism, Potemkin Finance: Behind Facade Of Modern Buildings, Institutions, State Directs Dysfunctional Markets (Apr 4, 2011)
• China’s economy: future world domination, or paper tiger? (Apr 3, 2011)
• Why did the Soviet Union collapse? (Apr 3, 2011)
• China: society and politics, and what next? (Apr 2, 2011)
• China: A history primer (Apr 1, 2011)