---
type: "Topics"
locale: "en"
url: "https://longbridge.com/en/topics/39705970.md"
description: "$AST SpaceMobile(ASTS.US)$Rocket Lab(RKLB.US) Let me share another observation I've made.These two stocks are currently priced by Wall Street at roughly the same market cap.If ASTS's market cap falls too far below RKLB's, there's usually a decent arbitrage opportunity in the short term. ASTS has consistently had a market cap around 3-5 billion, rarely exceeding RKLB. Buying ASTS when its market cap is 7-10 billion below RKLB's gives a pretty good chance of success.This gap has persisted from last year until now. Currently, it seems this only applies before SpaceX goes public; we'll have to see after that.Sometimes Wall Street pricing is just simple and crude. Even if negative news pushes it down, it gets pulled back up, like ASTS on September 9th last year."
datetime: "2026-04-02T14:30:56.000Z"
locales:
  - [en](https://longbridge.com/en/topics/39705970.md)
  - [zh-CN](https://longbridge.com/zh-CN/topics/39705970.md)
  - [zh-HK](https://longbridge.com/zh-HK/topics/39705970.md)
author: "[左饼右箭](https://longbridge.com/en/profiles/13751259.md)"
---

# $AST SpaceMobile(ASTS.US)$Rocket Lab(RKLB.US) Let …


### Related Stocks

- [DXYZ.US](https://longbridge.com/en/quote/DXYZ.US.md)
- [ASTS.US](https://longbridge.com/en/quote/ASTS.US.md)
- [RKLB.US](https://longbridge.com/en/quote/RKLB.US.md)
- [TSLA.US](https://longbridge.com/en/quote/TSLA.US.md)

## Comments (3)

- **ns5ei3听春雨 · 2026-04-02T15:00:14.000Z**: The space sector rose today, the small rocket didn't rise that much, now it's +5% and more than 2 times, did a quick T trade, still holding.
  - **左饼右箭** (2026-04-02T15:18:58.000Z): I choose to wait a bit longer, because filling the gap can be considered a washout. If the overall market is good, there's no need for another washout.
  - **新用户_YLYcD5** (2026-04-05T08:20:00.000Z): Always 2x long?