10:11
2026-09-30
dev.to
ai-tools
The Crash That Never Happened: Cleaning Price Data Before You Trust It
A developer demonstrated that raw closing-price data can fabricate a 94.9% one-day crash in Amazon (AMZN) shares between June 3 and June 6, 2022, when the actual event was a 20-for-1 stock split. Usin…