RuleOne

← Learn · Module: Valuation and margin of safety

010 · 26 Is The Magic Number

2015-06-26 · 47 minUnderstandEventReduce basis

In one sentence: Price is what you pay and value is what you get, so a Rule #1 investor buys a "$10 bill for $5", aims for a 26% compounded annual return (a double in three years), and understands why professionals rarely do the same.

Key ideas

How it maps to RuleOne

Buffett, Munger and Graham links

Words to know

Try this

Take a stock you follow on All stocks. Write its current price and its sticker price from the /stock/TICKER/ page. Compute the three-year CAGR if you bought now and it reached sticker price in three years, using (sticker ÷ price)^(1/3) − 1. Is it near 26%? If not, what price would you need?

Check yourself

  1. Why is a 100% gain over three years called "26"?
    AnswerDoubling in three years is a compound annual return of about 26%.
  2. How can a stock return more than the company's growth rate?
    AnswerBy buying below value and selling nearer to it, the price gap adds to the growth.
  3. Why do many fund managers avoid the Rule #1 approach?
    AnswerClients judge them over short periods and treat volatility or underperformance as risk, so they shadow the index.
  4. 15% versus 26%: which is the minimum?
    Answer15% is the minimum acceptable rate; 26% is the target.

Short quotes

"Price is what you pay, but value is what you get." (Phil, ~04:30, auto-transcribed, paraphrasing the Buffett line)

price vs valuemargin of safetycagrtarget return 26marrinstitutional incentiveseventsmark to marketwholesale retailmoatvelocity of money

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AI study notes from an automatic transcript. Names and figures may be misheard, and quotes are short excerpts for study. Not investment advice.