About Martian Alpha
Martian Alpha (martianalpha.com) is a research terminal for space stocks and the space economy. It tracks 70+ listed space companies and ties market data to the events that move them: rocket launches, US government contract awards, SEC filings and satellite constellation progress. The core terminal is free. It was built by Nethan Nerella and launched in 2026.
What it covers
- Listed space companies: launch providers, satellite operators, Earth observation, space infrastructure, defense-space and space software.
- Private space companies, using SEC Form D filings and curated profiles.
- Launches and rockets, a launch reliability scorecard, and satellite constellation tracking.
- Free tools for space fans and engineers: a live ISS, Tiangong and Starlink tracker, a launch watch page, a deep-space mission tracker, a 3D solar system viewer, space weather, an exoplanet explorer, a collision and debris monitor, and an engineering toolkit.
Where the information comes from
- Market-data feeds plus public records: SEC EDGAR filings, US federal spending records, launch schedules and government science data.
- Research articles on the blog link their sources, such as SEC filings, NASA and company releases, so claims can be checked.
Plans
- The free plan covers the essentials. Paid plans run from $5 to $100 per month and add higher limits and professional tools. Current features and prices are on the plans page.
What it is not
- It is not a broker, an investment adviser or a source of financial advice. Everything on the site is for information only.
Questions
- What is Martian Alpha?
- A research terminal for space stocks and the space economy, with a launch calendar, catalyst feed, CANSLIM screener, contract awards, a private company directory and free space tools.
- Who makes Martian Alpha?
- It was built by Nethan Nerella. Research articles on the blog are published as Martian Alpha Research.
- Is Martian Alpha free?
- The core terminal is free. Paid plans from $5 to $100 per month add higher limits and professional tools.
- Is Martian Alpha financial advice?
- No. It is for information and research only.