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+---
+type: source
+source_type: x-tweet
+title: "@robinhanson — shared via Telegram by @m3taversal"
+author: "@robinhanson"
+url: "https://x.com/robinhanson/status/2037680495321055257?s=46"
+date: 2026-03-28
+domain: internet-finance
+format: social-media
+status: processed
+proposed_by: "@m3taversal"
+contribution_type: source-submission
+tags: ['telegram-shared', 'x-tweet', 'market-analysis']
+---
+
+# @robinhanson — Tweet/Thread
+
+Shared by @m3taversal via Telegram.
+Source URL: https://x.com/robinhanson/status/2037680495321055257?s=46
+
+## Content
+
+On average, ~20-40% of stock price change happens before official firm announcements. Thus insider trading in stocks is rampant; yet our stock markets function fine. To consider re prediction market insider trading.