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I rebuilt a viral "3,888% return" TradingView strategy — it landed almost exactly at coin-flip odds

A trading YouTube channel ( Trading with DaviddTech ) posted a video claiming a "strange 63% win rate" TradingView indicator, turned into a full strat…

tradingpythonpinescriptquant
Dev.to Jul 26, 2026, 18:47 UTC
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How to Build a Point-in-Time Fundamentals Database from SEC EDGAR (and When Not To)

If you backtest with today's fundamentals, you are cheating yourself. The Revenue figure you pull for Q4 2019 was probably restated in 2021, and the r…

quantpythonfinancedatascience
Dev.to Jul 6, 2026, 14:38 UTC
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Defensive Algo Design: Error Handling, Backtesting, and Mitigating Simulated Slippage

Every quant developer knows the feeling: you write an algorithmic strategy, run it against a basic backtesting script, and the equity curve looks like…

algorithmictradingpythonsoftwareengineeringquant
Dev.to Jun 13, 2026, 23:00 UTC
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Trading fee calculator that shows costs in R (units of risk)

Most trading fee calculators show you two numbers: the dollar amount and the percentage of notional. Both are correct. Neither is useful. Here's the p…

tradingquantalgorithmspython
Dev.to May 2, 2026, 21:15 UTC

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