<?xml version="1.0" encoding="utf-8" standalone="yes"?><rss version="2.0" xmlns:atom="http://www.w3.org/2005/Atom" xmlns:content="http://purl.org/rss/1.0/modules/content/"><channel><title>Investing on The Standard Error</title><link>https://jongha-jeon-dev.github.io/standarderror/tags/investing/</link><description>Recent content in Investing on The Standard Error</description><generator>Hugo -- 0.123.7</generator><language>en-gb</language><lastBuildDate>Fri, 14 Aug 2026 00:00:00 +0000</lastBuildDate><atom:link href="https://jongha-jeon-dev.github.io/standarderror/tags/investing/index.xml" rel="self" type="application/rss+xml"/><item><title>Your Index Fund Owns 503 Companies and Is About Three Bets</title><link>https://jongha-jeon-dev.github.io/standarderror/posts/your-index-fund-owns-503-companies-and-is-three-bets/</link><pubDate>Fri, 14 Aug 2026 00:00:00 +0000</pubDate><guid>https://jongha-jeon-dev.github.io/standarderror/posts/your-index-fund-owns-503-companies-and-is-three-bets/</guid><description>Concentration has a formula, and running it is unkind to both sides of the argument</description></item><item><title>Individuals Sold a Record Amount on the Best Day in Market History</title><link>https://jongha-jeon-dev.github.io/standarderror/posts/individuals-sold-a-record-amount-on-the-best-day/</link><pubDate>Thu, 13 Aug 2026 00:00:00 +0000</pubDate><guid>https://jongha-jeon-dev.github.io/standarderror/posts/individuals-sold-a-record-amount-on-the-best-day/</guid><description>The gap between what an index returns and what its investors earn is arithmetic — and I was wrong about where it comes from</description></item><item><title>The KOSPI's Record Day Was Not a Fat-Tail Problem</title><link>https://jongha-jeon-dev.github.io/standarderror/posts/the-kospi-record-day-was-not-a-fat-tail-problem/</link><pubDate>Fri, 07 Aug 2026 00:00:00 +0000</pubDate><guid>https://jongha-jeon-dev.github.io/standarderror/posts/the-kospi-record-day-was-not-a-fat-tail-problem/</guid><description>A +17.91% session, a 12-sigma move, and the assumption that actually broke</description></item></channel></rss>