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The Intelligent Investor, in bytes

22 key learnings from Benjamin Graham’s classic on value investing, which Warren Buffett has called the best book about investing ever written. Each takes about 40 seconds to read. Swipe, use the arrows, or your keyboard.

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All 22 learnings · one per slide

The Intelligent
Investor

Benjamin Graham, in bytes

22 key learnings from the classic on value investing, Mr. Market and the margin of safety.

22 learnings · ~40 sec eachSwipe →
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Learning 1 · Chapter 1

The Book Buffett Recommends

Background

Warren Buffett, a student of Graham's, called The Intelligent Investor by far the best book on investing ever written. Modern editions include commentary by journalist Jason Zweig, linking Graham's lessons to recent markets.

Why it matters

The principles have outlasted every market fashion since 1949.

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Learning 2 · Chapter 1

Investing vs Speculating

The idea

Graham defines investment as an operation that, after thorough analysis, promises safety of principal and an adequate return. Anything else is speculation.

Example

Buying a stock because it's trending on social media is speculation; buying after studying its value is investing.

Takeaway

Know which one you're doing, and be honest about it.

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Learning 3 · Chapter 1

Two Kinds of Investor

The idea

The defensive investor wants safety and freedom from effort. The enterprising investor is willing to spend time and care selecting securities.

Example

A busy professional may prefer a simple, diversified portfolio; an analyst may enjoy researching companies.

Try this

Choose your role honestly, based on your time and interest.

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Learning 4 · Chapter 2

Protect Against Inflation

The idea

Inflation quietly erodes the value of cash and fixed income. A mix of assets helps protect purchasing power.

Example

Money left in a savings account for decades may lose real value.

Try this

Plan for inflation in every long-term decision.

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Learning 5 · Chapter 3

History Repeats in Markets

The idea

Graham reviews a century of market history: booms and busts recur, and optimism and pessimism swing too far.

Example

Markets rise strongly, then fall sharply, many times across history.

Takeaway

Expect cycles. Don't assume today's trend lasts forever.

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Learning 6 · Chapter 4

A Balanced Portfolio

The idea

For the defensive investor, Graham suggests splitting funds between high-grade bonds and stocks, never less than 25% or more than 75% in either, with 50/50 as a standard.

Example

Rebalancing back to 50/50 after a market rise means taking some profits automatically.

Try this

Keep a balance, and rebalance periodically.

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Learning 7 · Chapter 5

Rules for Defensive Stock Picking

The idea

Graham suggests diversification, large and financially sound companies, a long record of dividends, and reasonable prices relative to earnings.

Example

A defensive investor sticks to established, well-financed companies rather than speculative stocks.

Takeaway

Favour quality, diversification and reasonable prices.

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Learning 8 · Chapter 5

Dollar-Cost Averaging

The idea

Investing a fixed amount at regular intervals buys more when prices are low and less when high, removing the need to time the market.

Example

A monthly investment plan keeps going through ups and downs.

Try this

Invest regularly, regardless of market mood.

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Learning 9 · Chapter 6

Avoid What You Don't Understand

The idea

Graham warns against new issues, hot stocks and complex products bought on hype.

Example

Many investors lose money on popular new listings priced on excitement rather than value.

Takeaway

Don't buy what you can't explain.

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Learning 10 · Chapter 8

Mr. Market

The idea

Graham's famous parable: imagine a partner, Mr. Market, who every day offers to buy or sell at wildly varying prices, depending on his mood. You don't have to act on his offers.

Example

When markets panic and prices fall sharply, a patient investor may find bargains.

Try this

Use the market's mood swings; don't be ruled by them.

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Learning 11 · Chapter 8

Price Is Not Value

The idea

A share's price is what you pay; its value depends on the business. They can differ widely in the short term.

Example

A strong company's shares can fall in a crash even though the business hasn't changed.

Try this

Focus on the business's value, not daily price moves.

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Learning 12 · Chapter 8

Forecasts Are Not Investing

The idea

Graham warns against basing decisions on market forecasts. Nobody reliably predicts short-term moves; what you can control is the price you pay.

Takeaway

Focus on value and price, not predictions.

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Learning 13 · Chapter 8

The Investor's Worst Enemy

The idea

Graham writes that the investor's chief problem, and even worst enemy, is likely to be himself. Emotions cause more losses than markets do.

Example

Selling in panic or buying in euphoria destroys returns.

Takeaway

Manage your own behaviour first.

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Learning 14 · Chapter 9

Investing in Funds

The idea

Graham discusses investment funds as a sensible route for many investors, while cautioning about fees and chasing past performance.

Example

Picking a fund because it topped last year's rankings often disappoints.

Try this

Look at costs and consistency, not just recent returns.

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Learning 15 · Chapter 10

Beware of Advisers' Promises

The idea

Graham cautions that advice is only as good as the adviser's knowledge and integrity. Be wary of promises of high returns.

Example

Promises of guaranteed high returns are a red flag.

Takeaway

Understand the advice, and who benefits from it.

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Learning 16 · Chapter 11–12

Understand the Numbers

The idea

Graham urges investors to study financial statements: earnings, assets, debt and their stability over time.

Example

Looking at several years of earnings, not just one, shows whether profits are steady.

Try this

Read the accounts, and look at the long record.

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Learning 17 · Chapter 12

Watch Accounting Tricks

The idea

Reported earnings can be flattered by one-off items and accounting choices. Graham advises looking at average earnings over several years.

Example

A company's “record profits” may come from a one-time asset sale.

Try this

Look beneath reported earnings.

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Learning 18 · Chapter 13, 18

Compare Companies Carefully

The idea

Graham compares pairs of companies to show how similar-looking businesses can differ greatly in value and risk.

Example

Two companies in the same industry may have very different debt levels.

Takeaway

Compare the fundamentals, not just the story.

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Learning 19 · Chapter 19

Shareholders Are Owners

The idea

Graham reminds investors they are part-owners of the business, and should care about management and how profits are used.

Example

Shareholders can question management's pay and use of cash.

Takeaway

Think like an owner, not a ticket holder.

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Learning 20 · Chapter 20

Margin of Safety

The idea

Graham's central idea: buy only when the price is well below your estimate of value, leaving room for error and bad luck.

Example

Buying a share worth an estimated 100 at 70 leaves room if your estimate is wrong.

Takeaway

Always leave room for error.

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Learning 21 · Chapter 20

Diversify as Protection

The idea

A margin of safety works across many investments: some will disappoint, but diversification protects the whole.

Example

Spreading investments across sectors means one failure doesn't sink the portfolio.

Takeaway

Diversify, so no single mistake can ruin you.

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Learning 22 · Chapter 20

Investing Is Businesslike

The idea

Graham says investing is most intelligent when it is most businesslike: treat every purchase as buying part of a business.

Example

Asking “Would I buy the whole company at this price?” changes how you see a share.

Try this

Invest as if you were buying the business.

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All 22 learnings complete

That’s all 22 learnings.

The investor’s chief problem, Graham wrote, is likely to be himself. Which habit will protect you from yours?

Abhay Kumar JaiswalFCA · PMP® · Workday Financeabhayjaiswal.com
Summaries in my own words. Read the book for the full stories.
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Summaries are written in my own words for learning. Read The Intelligent Investor by Benjamin Graham (1949) for the full stories. Graham wrote about US markets; rules, products and taxes differ in India. These bytes summarise the book; they are not financial advice. More Books in Bytes