---
type: "Topics"
locale: "en"
url: "https://longbridge.com/en/topics/100000000238870.md"
description: "Friendly reminder: tomorrow is Quad Witching Day. That’s when four contracts expire at once:• Stock options• Stock index options• Stock index futures• Single stock futuresIt happens four times a year, March, June, September, December. Expect higher trading volume and extra volatility as positions get rolled and hedges unwind.Source: StockMarket.News"
datetime: "2025-09-18T23:42:22.000Z"
locales:
  - [en](https://longbridge.com/en/topics/100000000238870.md)
  - [zh-CN](https://longbridge.com/zh-CN/topics/100000000238870.md)
  - [zh-HK](https://longbridge.com/zh-HK/topics/100000000238870.md)
author: "[StockMarket.News](https://longbridge.com/en/profiles/21806507.md)"
generator: "portal-rs"
---

# Friendly reminder: tomorrow is Quad Witching Day. …


---
> **Disclaimer: This article is for reference only and does not constitute any investment advice.**