Chang Pengyao (Oliver) @Oliver 的期权旅途 is a seasoned investor with years of hands-on options trading experience. Starting with a five-figure portfolio and gradually building it to an eight-figure level, he has gone through multiple market cycles, mistakes and drawdowns along the way. Over time, he developed a trading framework centred on probability, pricing, position sizing and risk management. “Victorious warriors win first and then go to war, while defeated warriors go to war first and then seek to win.” Oliver quoted this line from The Art of War as the central idea behind his sharing. He used the Chu–Han Contention as an example. Liu Bang lost repeatedly to Xiang Yu in direct battles, yet Xiang Yu was ultimately the