---
title: "Trending | DRAM Plummets 5% last Friday, Some Put options Surges 87%"
type: "News"
locale: "en"
url: "https://longbridge.com/en/news/286713279.md"
description: "On May 15, Eastern Time, Roundhill Memory ETF options saw a total of 193179 contracts traded, with calls accounting for 50% and puts making up 49%."
datetime: "2026-05-18T04:27:42.000Z"
locales:
  - [zh-CN](https://longbridge.com/zh-CN/news/286713279.md)
  - [en](https://longbridge.com/en/news/286713279.md)
  - [zh-HK](https://longbridge.com/zh-HK/news/286713279.md)
---

# Trending | DRAM Plummets 5% last Friday, Some Put options Surges 87%

On May 15, Eastern Time, Roundhill Memory ETF options saw a total of 193179 contracts traded, with calls accounting for 50% and puts making up 49%.

Roundhill Memory ETF has 997289 contracts outstanding, with calls accounting for 65% and puts making up 34%.

The top volume gainer was the 55 dollars Call option expiring on May 22, 2026, with 5152 contracts traded.

On the news front, Based on recent key news:

1\. May 17, Samsung's labor strike threat impacts supply chain. Over 45,000 employees plan to strike, potentially disrupting DRAM production and affecting global supply, leading to price increases. Source: Investing.com

2\. May 16, DRAM ETF shows signs of overvaluation. Analysts warn of a potential pullback as the Relative Strength Index drops, indicating fading bullish momentum. Source: Invezz

3\. May 15, AI-driven demand boosts memory stocks. Despite recent gains, analysts caution about sustainability due to potential inventory build-up. Source: BloombergMemory demand driven by AI, cyclical risks.

Please note: The chart below does not include options expiring within five days.

![image](https://assets.lbctrl.com/h5hub/optrank/images/2026-05-18/ETF_US_DRAM_en.png)

### Related Stocks

- [DRAM.US](https://longbridge.com/en/quote/DRAM.US.md)

## Related News & Research

- [This memory chip ETF is off the charts. The chip stock boom is only part of it.](https://longbridge.com/en/news/286614407.md)
- [Changxin Technology's IPO Resumes, Earning Nearly 400 Million Yuan Daily: From a Loss of 36.6 Billion Yuan to Fourth Globally.](https://longbridge.com/en/news/286768752.md)
- [The DRAM ETF’s Record Success Warns of a Dot-Com Bubble Burst. We’re Just Waiting for the Explosion.](https://longbridge.com/en/news/286304670.md)
- [DRAM ETF is firing on all cylinders, but beware of major risks](https://longbridge.com/en/news/286581778.md)
- [GraniteShares Goes Down The AI Memory Lane, Eyes An Autocallable DRAM ETF](https://longbridge.com/en/news/286936026.md)