A software engineer builds a system to trade U.S. microcap stocks and publishes everything: the build, the trades, the dollars, the mistakes.https://microcapminer.com/https://microcapminer.com/posts/two-weeks-zero-trades/https://microcapminer.com/posts/two-weeks-zero-trades/The first two weeks of a microcap research system: almost none of it is about picking stocks, and one timestamp problem could have faked every result.Sun, 04 Oct 2026 16:00:00 GMTbuild-logengineeringdatabacktestinghttps://microcapminer.com/posts/rule-one-dont-fool-yourself/https://microcapminer.com/posts/rule-one-dont-fool-yourself/The best of 200 random strategies made 27% a year in its backtest and 3% afterward. Four ways backtests lie about microcaps, and my defenses.Sun, 04 Oct 2026 15:00:00 GMTbacktestingrisksurvivorship-biastrading-costshttps://microcapminer.com/posts/why-microcaps/https://microcapminer.com/posts/why-microcaps/A $1 billion fund would need four years to buy the stocks I'm targeting. That's the whole case for microcaps, plus the three things that make it hard.Sun, 04 Oct 2026 14:00:00 GMTmicrocapsliquidityanalyst-coveragetrading-costshttps://microcapminer.com/posts/putting-50k-into-microcaps/https://microcapminer.com/posts/putting-50k-into-microcaps/A software engineer with no trading record, a research system built from scratch, and a promise to publish every dollar. Here are the rules.Sun, 04 Oct 2026 13:00:00 GMTriskruleslaunch