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Tech blog

Part 4 of 6 · Jev in trading, tested

QuantDinger's Jev trade filter: fail-open, never backtested

27 Sep 2026 · truongxx · 5 min read

QuantDinger lets Jev block entry orders. The rules are sensible, but it lets trades through when unsure or out of credits, and you can't backtest it.

Tech blog

Part 2 of 6 · Jev in trading, tested

27 Sep 2026 · truongxx · 6 min read

I read QuantDinger's code. Order handling and backtest look-ahead are done well; account risk limits aren't wired into live trading. Details inside.

Tech blog

Part 1 of 6 · Jev in trading, tested

27 Sep 2026 · truongxx · 5 min read

Jev is everywhere, so I read every public Jev finance project I could find: 19 of them. None showed Jev beating a simple rule on unseen data.