Putting DIVA to work
Explainers and guides for turning analysis results into real decisions.
Reading Market Beta and Alpha Against the Market
Read your CAPM result in order — market beta, risk split, alpha — and turn it into checks on market exposure, concentration and performance.
13F Portfolio Analysis — Ray Dalio | The All Weather Rule, and Bridgewater After Him
Can a portfolio keep working when the market changes?
Vibe-Coding Devlog #2 — Design Details
AI doesn't do it all for you
Vibe-Coding Devlog #1 — The /blog Skill
A DIVA Quantizer devlog — how the /blog skill was born
I Thought My KOSPI 200 ETF Was Diversified. Over Half Was Samsung and SK hynix
Why owning several ETFs may not mean you are diversified
Markowitz Experiment — The Efficient Portfolio of Early 2020 | What If You Had Held It
What if you bought what the efficient frontier pointed to? — Theory vs. reality
13F Portfolio Analysis — Michael Burry | A Portfolio for the AI Bubble Era
Michael Burry warns of an AI bubble. How did he build his own portfolio?
13F Portfolio Analysis — Peter Thiel | He Sold NVIDIA and Bought Electricity
Peter Thiel sold NVIDIA: how to keep the theme but cut the exposure
ETF vs ETF: Cloud — SKYY vs WCLD
Two “cloud” ETFs — why did five years send them in opposite directions?
High Yield vs Dividend Growth: Strategic Value Dividend vs SCHD with $50,000
Big dividends now, or fast-growing ones? $50,000 each, twenty years — which wins?
Managing Dividends with Cashflow in Mind
Read your dividend cash flow through three questions and five lenses, then connect it to fixed costs, annual bills and income gaps.
Tesla's Expected Return at a Third of the Volatility — The Math of Diversification
Returns like Tesla, with far gentler swings
Buy NVIDIA, or the Semiconductor ETF? Flagship Stock VS Sector ETF
“The ETF is safer” — does that hold for US and Korean chips alike?
The Portfolio Your Search Bar Built — What If You Picked Stocks by Search Volume Alone?
2021’s most-looked-up stocks: if you’d bought them then, where would you be now?
13F Portfolio Analysis — Warren Buffett | Tracking 20 Years of Investing Style
How Warren Buffett’s portfolio style shifted over twenty years
Putting Fama–French Factors to Work — Smart-Beta ETFs
Textbook factor premiums now come as a single ETF. What should you check first?
How Korea's National Pension Fund Builds an 'Efficient Portfolio'
How Korea’s National Pension Service manages its portfolio
Markowitz vs HRP — What to Look at, When
Read HRP's cluster tree and weights, cross-check against Markowitz, and use both models together — 5 ways.
Reading Alpha & Factor Exposure
What alpha means and how to read market, size and value exposure to inform portfolio decisions.
Putting the Efficient Frontier to Work
Read your position on the efficient frontier and turn it into weight adjustments and rebalancing — a 4-step playbook.