Meet Ketty Matsumoto

Japanese Trader & Founder of K Theory FX

K Theory FX

~ Developed by a mom trader and
educator — for learners at all stages ~

As a mother of twins, Ketty has balanced trading with everyday responsibilities while developing her approach to market analysis.

After experiencing challenges in her business journey, she focused on studying multi-timeframe analysis and building a structured methodology based on observation and practice.

Her work has been shared with a global community of learners through K Theory FX, which brings together the concepts and frameworks she developed over time.

Your Trading Mentor

Ketty brings over 10 years of experience as a trading educator, sharing a structured, multi-timeframe approach to market analysis with a broad community of learners.

Her YouTube channel, followed by over 40,000 subscribers, focuses on educational content around market behaviour. She has also been featured on Japanese television programmes, where she has shared her insights on trading and teaching.

Learning Experiences from Our Community

With thousands of learners across Japan and internationally, K Theory offers structured guidance, accountability, and a step-by-step learning experience designed to help you build confidence in understanding the markets.

Our focus is on supporting your development through clear concepts, practical exercises, and consistent learning.

“The backtesting methodology and Quiz Dojo completely changed the way I approach trading. I developed a more structured and disciplined way of analysing the markets. Ketty’s systematic approach and focus on psychology were incredibly helpful in improving my overall understanding”

M

Michael Chen
Investment Manager, Singapore