---
title: Monday was the worst day of the year for the S&P 500 at -2.7%.
description: "It turns out even the best years usually have a bad day. @Ryan Detrick found 22 times >20% for the year and the average worst day in those years was -3.5%.\n1997 had a 6.9% worst day and still gained 31% for the year in fact.\n\nSource: Carson"
---

[Syz The Moment](https://blog.syzgroup.com/syz-the-moment)

# [Monday was the worst day of the year for the S&P 500 at -2.7%.](https://blog.syzgroup.com/syz-the-moment/jason-zweig-on-reasons-to-not-allocate-100-to-stocks-0-0-0-0-0-0-0-0-0-0-0-0-0-0-0-0-0-0-0-0-0-0-0-0-0-1-0-0-0-0-0-0-0-0-0-0-0-0-0-0-0-0-0-0-0-0-0-0-0-0)

 Written by [Charles-Henry Monchau, CFA, CMT, CAIA](https://blog.syzgroup.com/syz-the-moment/author/charles-henry-monchau) | Mar 12, 2025, 3:40:08 PM

[View full post](https://blog.syzgroup.com/syz-the-moment/jason-zweig-on-reasons-to-not-allocate-100-to-stocks-0-0-0-0-0-0-0-0-0-0-0-0-0-0-0-0-0-0-0-0-0-0-0-0-0-1-0-0-0-0-0-0-0-0-0-0-0-0-0-0-0-0-0-0-0-0-0-0-0-0)

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