Published已发布Notes笔记

Writing & media写作与解说Technical ideas, explained visually.用图像讲清技术。

editorials图文live explainers交互解说

01Editorial图文

Long-form editorials长篇图文

Jane Street article cover: headline over a dark studio portrait of three speakers.

Xiaohongshu · 小红书13-page editorial13 页图文Jul 20262026 年 7 月

How Jane Street defines "faster"Jane Street 如何定义"更快"

Why does a trading system timed in hundreds of nanoseconds need tens of thousands of GPUs? I researched, wrote and laid out the piece with my own editorial template system.以百纳秒计时的交易系统,为什么需要数万张 GPU?我用自建图文模板系统完成调研、写作和排版。

Published已发布on Xiaohongshu小红书账号 harry

02Explainers解说

Live data explainers交互数据解说

Interactive data explainers交互式数据解说

Four interactive charts drawn with Canvas 2D from seeded data. Drag a chart or use its slider. I also make narrated videos with Remotion and Manim.四个 Canvas 2D 交互图表,数据由固定种子生成。拖动图表或滑块即可操作。我也用 Remotion 和 Manim 制作带旁白的视频。

Simulated data for illustration only; not advice.模拟数据,仅供示意,不构成建议。

How much to bet: the Kelly curve每次押多少:Kelly 曲线

Canvas · Kelly criterion

Same average, less money平均收益一样,钱却更少

Canvas · volatility drag

Time decay speeds up near expiry越近到期,时间价值流失越快

Canvas · option time decay

Growth of 1 unit, log scale1 个单位的增长(对数刻度)

Canvas · log-scale bar race