The Matrix: Mastering Position Sizing & Stops in Algorithmic Trading
The Quest Begins (The "Why") I still remember the first time I watched my naïve trading bot blow up a simulated account in under five minutes. I’d cod…
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How to Become a Quant in 2026: The Complete Career Guide
How to Become a Quant in 2026: The Complete Career Guide The quantitative finance landscape has shifted dramatically in the past two years. AI models …
Stop recomputing OHLCV indicators after every new bar
A four-year, 15-minute crypto backtest is about 140k bars for one symbol. With 50 symbols, that is already around 7 million rows before parameter swee…
Как научить языковую модель читать транзакции: превращаем историю платежей в базу знаний
Меня зовут Дмитрий Валов, я тимлид команды «Инструменты для банка (агенты)» в Sber AI Lab — Центре практического искусственного интеллекта Сбера. Боль…
We built a budgeting app that skips the bank login — here's the trade-off
Most budgeting apps open with the same onboarding step: connect your bank account. For a certain group of people, that's where the process ends — not …
The 27-Day Runway Problem: Why Most Solopreneurs Are 4 Weeks From Closing (And the Forecasting Fix)
The 27-Day Runway Problem: Why Most Solopreneurs Are 4 Weeks From Closing (And the Forecasting Fix) You have 27 days. That's the median cash reserve f…
Why I Stopped Ignoring Position Size (and What It Taught Me About Stops)
Why I Stopped Ignoring Position Size (and What It Taught Me About Stops) Quick context (why you're writing this) Here's the thing: I spent a whole wee…
How to Brier-grade your own ML option-pricing forecasts in 40 lines of Python
If you ship a probabilistic forecast, the single highest-value habit you can build is logging your forecasts so you can grade them later . Sabermetric…
One Open Source Project a Day (No. 59): Claude for Financial Services - Anthropic's Official AI Agent Suite for Finance
Introduction "From watching analysts work to managing the analytical pipeline itself." This is the 59th article in the "One Open Source Project a Day"…
Mitsubishi Corporation (TSE: 8058): Why Buffett's Biggest Japanese Bet Keeps Getting Bigger
¥1.17 Trillion in annual profit. Japan's largest corporate buyback. A 9% Berkshire Hathaway stake. And yet the stock trades at 10 times earnings. Ther…