Part 1 ran the KOSDAQ 150 buy-the-dip, sell-the-rise rules mechanically. Part 2 turns the judgment I add in practice into indicators: sizing the gap and take-profit to ATR, stopping buys above disparity 105 and doubling up when %B is below 0. Over five years of 5-minute bars, CAGR rose from 3.1% to 7.0% and max drawdown fell from -36.8% to -19.3%.
Energy, AI and markets — plus a vibe-coding journal