Karthick Aravindan
Notes from the journey
Essays and notes on artificial intelligence, financial systems, and building. A published piece has a date. Unpublished drafts are not listed.
11 published notes.
Why I want the loss of a position understood before I enter, and why option selling, option buying, and intraday trading are not labels that settle the question.
Finance · 26 Oct 2026 · 16 min read
On the tension between many experiments and the few products that show real demand. No invented outcomes.
Building · 26 Oct 2026 · 2 min read
On Atomic Habits and how I try to apply it to learning, building, and review. The book's ideas and my experience are kept apart.
Building · 26 Oct 2026 · 1 min read
On prototypes, the Lean Startup, and the limit of what I can know before something runs.
Building · 26 Oct 2026 · 1 min read
On decomposing a problem, questioning the usual solution, and reading Zero to One without turning it into a guarantee.
Building · 26 Oct 2026 · 1 min read
On probability, position structure, backtests, and why I will not judge a strategy by a short winning streak. No private rules.
Finance · 26 Oct 2026 · 1 min read
On the distance between a demo that looks finished and a product that holds up in use.
AI · 26 Oct 2026 · 1 min read
On finding the people a product is for, after the building has started.
Building · 26 Oct 2026 · 1 min read
On the limits of historical tests when designing a systematic trading process.
Finance · 26 Oct 2026 · 1 min read
On what changes when a product has to survive an actual business workflow.
Building · 26 Oct 2026 · 1 min read
On treating risk as part of the system design, in products and in markets.
Finance · 26 Oct 2026 · 1 min read
Notes from the journey
Essays and notes on artificial intelligence, financial systems, and building. A published piece has a date. Unpublished drafts are not listed.
11 published notes.
Why I want the loss of a position understood before I enter, and why option selling, option buying, and intraday trading are not labels that settle the question.
Finance · 26 Oct 2026 · 16 min read
On the tension between many experiments and the few products that show real demand. No invented outcomes.
Building · 26 Oct 2026 · 2 min read
On Atomic Habits and how I try to apply it to learning, building, and review. The book's ideas and my experience are kept apart.
Building · 26 Oct 2026 · 1 min read
On prototypes, the Lean Startup, and the limit of what I can know before something runs.
Building · 26 Oct 2026 · 1 min read
On decomposing a problem, questioning the usual solution, and reading Zero to One without turning it into a guarantee.
Building · 26 Oct 2026 · 1 min read
On probability, position structure, backtests, and why I will not judge a strategy by a short winning streak. No private rules.
Finance · 26 Oct 2026 · 1 min read
On the distance between a demo that looks finished and a product that holds up in use.
AI · 26 Oct 2026 · 1 min read
On finding the people a product is for, after the building has started.
Building · 26 Oct 2026 · 1 min read
On the limits of historical tests when designing a systematic trading process.
Finance · 26 Oct 2026 · 1 min read
On what changes when a product has to survive an actual business workflow.
Building · 26 Oct 2026 · 1 min read
On treating risk as part of the system design, in products and in markets.
Finance · 26 Oct 2026 · 1 min read
