Five Rings Capital
Proprietary trading firm using data analytics
Summer Intern 2027 - Quantitative Researcher, PhD
+ Sign-on Bonus + Corporate Housing
Corporate housing provided; on-site internship in New York.
About the job
- Must be working towards a PhD in computer science, mathematics, physics, statistics, economics, or another qualifying field
- Exceptional at math and with other quantitative skills
- Has a hunger to work on some of the most complex mathematical problems we find
- Must enjoy problem solving as this is at the forefront of the role
- Enjoys initiating/acting on a thought or idea as soon as it comes to mind
- Proven track record of success within candidates field of specialty
- Excited to work as a team, but also comfortable testing ideas independently
- Must have basic programming experience through internships or academia
- Meticulous and detail-oriented
- Eager to learn
- Interns will work closely with the research team on development projects.
- You will have a mentor fully dedicated to you during the internship.
- The program includes immersion in hands-on projects, classroom instruction, and in-house built strategy games.
- You will take part in a series of talks to introduce you to key trading concepts.
- The program offers activities such as strategic game nights, nights out in NY, dinners, and so much more.
About the company
Five Rings Capital is a proprietary trading firm that uses its own capital to trade financial instruments across global markets, providing liquidity and executing trades for financial institutions and individual investors. Its approach centers on data-driven strategies that quickly move from insight to implementation, often within days or weeks, across both liquid and less common markets. The company differentiates itself through a team-first, meritocratic culture that emphasizes mentorship, collaboration, and analytical thinking, along with a broad market footprint and fast iteration. Its goal is to grow capable minds and generate returns by combining rigorous data analysis with rapid execution in a wide range of markets.
Company Size
201-500
Company Stage
N/A
Total Funding
N/A
Headquarters
New York City, New York
Founded
2009
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Simplify's Take
What believers are saying
- Five Rings posted 2026 openings for traders, quants, software, and trading operations.
- AFM lists Five Rings Capital B.V. in Amsterdam with EU passport access since 2025.
- OffCycle showed 15 live roles in August 2026, signaling active campus recruitment.
What critics are saying
- No visible profit disclosures; hiring alone cannot prove durable trading edge.
- Market-making participation raises surveillance and compliance risk after July 2026 MOC entry.
- A bad risk cycle in proprietary trading can erase capital fast and trigger layoffs.
What makes Five Rings Capital unique
- Team-first training model; 2026 roles still stress mentorship and rapid responsibility.
- Amsterdam and London presence broadens market coverage beyond New York trading desks.
- Platts added Five Rings to Asia Fuel Oil paper MOC on July 22, 2026.
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Benefits
Performance Bonus
Company News
ElectronX has closed a $30 million Series A led by seed round investor DCVC and joined by XTX Markets, Five Rings, NGP, GTS, and JACS Capital, along with returning investors Innovation Endeavors, Systemiq Capital, Equinor Ventures and Shell Ventures.