Jun 12, 2026 微观连续,宏观突变 / Continuous Below, Discontinuous Above May 21, 2026 你的 60/40 应该用什么资产 / What should the 40% in 60/40 actually be? May 11, 2026 AI 要做硬件设计，先得把工程图变成代码：BenchCAD 和多模态对齐的差距 / Before AI can design hardware, it has to turn drawings into code: BenchCAD and the multimodal-alignment gap May 7, 2026 The wheel 策略到底赚不赚 / Does the wheel strategy actually make money? Apr 23, 2026 SPY 上写 covered call 到底赚不赚钱 / Are covered calls actually paying you? Apr 9, 2026 3 倍 ETF 真的能让你发财吗 / Will leveraged ETFs actually make you rich? Mar 26, 2026 NVDA 上卖期权能跑赢直接持有吗 / Can selling NVDA options beat just holding the stock? Mar 22, 2026 估 KL penalty 的三个 estimator / Three ways to estimate the KL penalty Mar 15, 2026 从 PPO 到 SAPO：每一代 RL 算法究竟在改什么 / From PPO to SAPO, what each version actually changes