https://ynuwng.com/ Yuan Wang — notes on AI, quantitative research, and signal processing. 60 https://ynuwng.com/article/0f479592-2ec0-4568-990c-4558bc7ea904 https://ynuwng.com/article/0f479592-2ec0-4568-990c-4558bc7ea904 0DTE期权在散户和机构中同时爆炸式增长。本文拆解它的Gamma结构、做市商对冲流、常见策略，以及为什么它对市场微观结构的影响远比看上去深远。 Yuan Wang Sun, 07 Jun 2026 00:00:00 GMT Quant options vol quant derivatives 期权 https://ynuwng.com/article/f6044ca9-96ab-4ef8-86e3-b95004170c29 https://ynuwng.com/article/f6044ca9-96ab-4ef8-86e3-b95004170c29 A walk through what implied volatility actually means, why the smile and term structure refuse to flatten, and a practical SVI parameterization that fits market quotes well enough to trade against. Yuan Wang Tue, 05 May 2026 00:00:00 GMT Quant vol options quant math https://ynuwng.com/article/2cb13d52-694b-4624-b3dc-bda289935ee4 https://ynuwng.com/article/2cb13d52-694b-4624-b3dc-bda289935ee4 Thoughts on designing distributed systems that can handle millions of requests per second. Yuan Wang Wed, 10 Dec 2025 00:00:00 GMT Engineering systems architecture https://ynuwng.com/article/4556178a-f49c-4a7f-b046-ddd92a118be9 https://ynuwng.com/article/4556178a-f49c-4a7f-b046-ddd92a118be9 Best practices for conducting effective code reviews that improve both code quality and team collaboration. Yuan Wang Fri, 05 Dec 2025 00:00:00 GMT Best Practices development team https://ynuwng.com/article/c612fc84-a5e2-4f86-be8d-05f04b22beff https://ynuwng.com/article/c612fc84-a5e2-4f86-be8d-05f04b22beff Exploring how static typing transforms the development experience and catches bugs before they reach production. Yuan Wang Fri, 28 Nov 2025 00:00:00 GMT Programming Languages typescript javascript https://ynuwng.com/article/4a658d6e-a8a4-4900-9ffe-173facb8f10c https://ynuwng.com/article/4a658d6e-a8a4-4900-9ffe-173facb8f10c Deep dive into query optimization techniques that reduced our API response time by 80%. Yuan Wang Thu, 20 Nov 2025 00:00:00 GMT Performance database performance