I Built an AI-Native Trading Engine in Python. 5 Months Later, Here's What Changed
I Built an AI-Native Trading Engine in Python. 5 Months Later, Here's What Changed 9 strategies → 12. ML scoring, backtesting, partial take-profit, Te…
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The Fee Assumption Quietly Wrong in Most Backtests
If you've written a crypto backtester, there's a decent chance one line in it is quietly wrong. It's not the slippage model, not the funding rate, not…
We Transpiled PineScript v6 to C++ So Backtests Are Actually Reproducible
We Transpiled PineScript v6 to C++ So Backtests Are Actually Reproducible TradingView's PineScript is the most widely used language for writing tradin…
We automated the easy half of trading and called it a trader
Here's the part everyone keeps skipping. The AI-agent trading boom is not a scam, and it is not vaporware. There are agents in production right now si…
What it takes to run a Polymarket Up/Down arbitrage bot in production
A "risk-free" arbitrage on Polymarket's crypto Up/Down markets is easy to describe and hard to actually run. The edge — the cross-cycle sandwich — is …
Stop Staring at Spreadsheets: How a Proper Portfolio Visualizer Kept Me From Panic-Selling
In March 2020, I sold positions I should have held for years. The market was collapsing. My broker app was a wall of red. My spreadsheet, half-updated…