---
type: "Topics"
locale: "en"
url: "https://longbridge.com/en/topics/39702810.md"
description: "$Roundhill Memory ETF(DRAM.US) Why does placing an order get a rejection prompt? Has anyone successfully placed an order?"
datetime: "2026-04-02T13:51:27.000Z"
locales:
  - [en](https://longbridge.com/en/topics/39702810.md)
  - [zh-CN](https://longbridge.com/zh-CN/topics/39702810.md)
  - [zh-HK](https://longbridge.com/zh-HK/topics/39702810.md)
author: "[VSunks](https://longbridge.com/en/profiles/15819078.md)"
---

> Supported Languages: [简体中文](https://longbridge.com/zh-CN/topics/39702810.md) | [繁體中文](https://longbridge.com/zh-HK/topics/39702810.md)


# $Roundhill Memory ETF(DRAM.US) Why does placing an…


### Related Stocks

- [Micron Technology, Inc. (MU.US)](https://longbridge.com/en/quote/MU.US.md)
- [Roundhill Memory ETF (DRAM.US)](https://longbridge.com/en/quote/DRAM.US.md)

## Comments (5)

- **新用户_wgxgpw · 2026-04-02T13:58:58.000Z**: It was okay just now.
- **韭菜大学生 · 2026-04-02T13:56:50.000Z**: I just placed an order on IB as well. The prompt says this only supports buying and selling during the trading session. Try setting the order validity period to only the trading session.
  - **VSunks** (2026-04-02T13:58:20.000Z): You can place an order now. Alright, you can place an order now.
- **Dzv · 2026-04-02T13:54:03.000Z**: Always the same, always rejected. Don't know why.
  - **VSunks** (2026-04-02T13:58:28.000Z): Alright, you can place an order now.