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Why I write the thesis before I buy
A short note on how one page of plain-language reasoning saves me from impulse trades and keeps reviews honest months later.
Before any buy order, I force myself to write a thesis I could explain to a friend who does not follow markets. If I cannot do that in under ten minutes, I am not ready to size the position.
That habit did not come naturally. Early on I chased headlines and filled gaps in the portfolio reactively. The written thesis became the smallest habit that changed the most: it slows me down just enough for risk and valuation to get a vote.
This post is a living reminder for myself: the thesis is not a prediction. It is a contract with future-me about what has to stay true for the position to deserve its place.