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DEEP RESEARCH · INVESTMENT PHILOSOPHY

You Cannot Capture Every Opportunity

A short investment memo on separating discipline from greed.

Published: 2025-09-05 · Investment philosophy · Naver Blog

You are responsible for your own investment decisions. This is research, not a recommendation to buy or sell.

0. Bottom line first

I am recording what my teacher said. You cannot capture every opportunity. Trying to capture every opportunity is greed, and it can become the fastest path to damaging the account.

Judgment in front of opportunityWhat an investor can control
SelectOnly act on opportunities that fit my criteria
RestrainAccept the opportunities I miss
SurvivePut account preservation first
The point is not to catch everything; it is to catch only what lets me stay in the game.

1. Source memo

Official fact: The source is a short investment-philosophy memo written to remember the teacher's words.

The desire to catch every opportunity becomes risk, not opportunity. In any market, chasing even the opportunities I cannot handle weakens both position sizing and judgment.

2. Principle I will keep

Principle

Missing out is also investing

Choosing not to participate can be an account-preserving decision.

Risk

Chasing every opportunity

Once I rush in without criteria, it becomes greed and loss control becomes harder.

Goal

Account survival

The ability to keep investing matters more than any single opportunity.