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Karthick Aravindan

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Karthick Aravindan
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Notes from the journey

Finance and markets.

Notes on systematic strategies, risk, automation, and the engineering behind financial systems.

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All tagsFinanceSystemsTrading

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All notesAIFinanceBuilding

4 published notes.

Two wings held inside a wooden frame. Illustration for Why I Prefer Hedged Option-Selling Strategies Over Unhedged Directional Bets.

Why I Prefer Hedged Option-Selling Strategies Over Unhedged Directional Bets

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

A small boat whose hull limit is drawn as clearly as the sail. Illustration for What Trading Taught Me About Systems and Risk.

What Trading Taught Me About Systems and Risk

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

A drawn road that ends where the map is torn, and blank paper beyond it. Illustration for What backtesting can and cannot tell you.

What backtesting can and cannot tell you

On the limits of historical tests when designing a systematic trading process.

Finance · 26 Oct 2026 · 1 min read

A small bridge with the joint where it could fail drawn as clearly as the span. Illustration for Thinking about risk as an engineer.

Thinking about risk as an engineer

On treating risk as part of the system design, in products and in markets.

Finance · 26 Oct 2026 · 1 min read

Filed under Finance & Markets. All notes

Karthick Aravindan

Building with intelligence. Thinking in systems.

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© 2026 Karthick Aravindan

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Notes from the journey

Finance and markets.

Notes on systematic strategies, risk, automation, and the engineering behind financial systems.

Search options

All tagsFinanceSystemsTrading

Search the public notebook

All notesAIFinanceBuilding

2 published notes. Unpublished drafts are not included.

Two wings held inside a wooden frame. Illustration for Why I Prefer Hedged Option-Selling Strategies Over Unhedged Directional Bets.

Why I Prefer Hedged Option-Selling Strategies Over Unhedged Directional Bets

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

A small boat whose hull limit is drawn as clearly as the sail. Illustration for What Trading Taught Me About Systems and Risk.

What Trading Taught Me About Systems and Risk

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

Filed under Finance & Markets. All notes