Hello, I’m
Kiyohama.

I work in AI. This is where I keep my notes, photos, and other interests.

Explore

Technical notes, experiments, and things I build.

What I’m learning about stocks and markets.

Photo collections and notes on photography.

Trip notes, itineraries, and places I visit.

Games I play, with notes and occasional guides.

Reading notes on Options as a Strategic Investment: option chains, intrinsic and time value, exercise, assignment, and payoff.

What you’ll find here.