According to @QCompounding, Jesse Livermore quit his job at age 16 to trade full time, source: @QCompounding on X, Jan 7, 2026. In a few years he earned 10,000, a significant sum for that era, source: @QCompounding on X, Jan 7, 2026. His consistent profitability led bucket shops to ban him from trading, source: @QCompounding on X, Jan 7, 2026. He attempted to bypass the bans by wearing disguises to continue trading but was still identified and stopped, source: @QCompounding on X, Jan 7, 2026.