How do I tell conviction from speculation?
Conviction survives a drawdown; speculation is exposed by one. The sources offer tests for which of the two you actually hold, and what each one should be allowed to cost you.
Everything on this page is AskNex's own paraphrase of what the named sources argue, with each idea attributed to its book. Nothing is quoted, and no disagreement is shown unless the corpus records one. This page orients; it does not answer your situation.
The ideas involved
The concepts the corpus connects to this problem, most central first. Each is source-independent; the books argue about it below.
Conviction versus speculation
Holding because of an argument with a margin of safety, as opposed to holding because the price moved.
Cognitive bias
Fast intuitive judgement is efficient and predictably wrong in known ways.
Margin of safety
Deliberate slack between an estimate and a commitment, so being wrong is survivable.
Risk and uncertainty
How people mis-estimate downside, and what survivable plans look like.
Bitcoin
A fixed-supply digital asset whose history is one of belief, custody failures and repeated manias.
What the sources argue
The best-attested position from each of the most relevant books, in AskNex's words.
An investment promises safety of principal and an adequate return on analysis; anything else is speculation and belongs in a small, separate sum.
Bitcoin's price has always tracked the spread of belief in it, which is why its history is manias and crashes.
Faced with a hard question, the mind quietly answers an easier one instead.
Room for error is what lets a plan survive the events nobody forecast.
Take many small bets with capped downside and uncapped upside.
Where they converge
Ideas on which two or more books make a claim. Agreement here is attested, not assumed.
Conviction versus speculation
Holding because of an argument with a margin of safety, as opposed to holding because the price moved.
An investment promises safety of principal and an adequate return on analysis; anything else is speculation and belongs in a small, separate sum.
— Graham, The Intelligent Investor Bitcoin's price has always tracked the spread of belief in it, which is why its history is manias and crashes.
— Popper, Digital Gold
Margin of safety
Deliberate slack between an estimate and a commitment, so being wrong is survivable.
Buy far enough below your own estimate of value that an error of judgement is still survivable.
— Graham, The Intelligent Investor Room for error is what lets a plan survive the events nobody forecast.
— Housel, The Psychology of Money
Risk and uncertainty
How people mis-estimate downside, and what survivable plans look like.
Risk is the chance of permanent loss of capital, not the amount prices move.
— Graham, The Intelligent Investor A reasonable plan you can hold through a bad decade beats an optimal one you abandon.
— Housel, The Psychology of Money Confidence reflects the coherence of a story, not the quality of the evidence.
— Kahneman, Thinking, Fast and Slow
Bitcoin
A fixed-supply digital asset whose history is one of belief, custody failures and repeated manias.
Bitcoin's fixed supply makes it the first digital asset with credible scarcity that nobody can inflate.
— Ammous, The Bitcoin Standard The early adopters were driven by ideology and distrust of institutions long before there was money in it.
— Popper, Digital Gold
Time horizon
The period a decision is judged over changes which decision is correct.
Endurance, not selection, is what lets compounding do its work.
— Housel, The Psychology of Money The wealthy households in the data rarely trade; they hold investments for years and put their attention into their work.
— Stanley & Danko, The Millionaire Next Door
Where they disagree
Only tensions the corpus records, with the reviewed resolution when there is one.
Graham qualified by Housel
Risk is the chance of permanent loss of capital, not the amount prices move.
A reasonable plan you can hold through a bad decade beats an optimal one you abandon.
Graham defines risk analytically; Housel notes the plan still has to be held by a person.
Graham qualified by Ammous
An investment promises safety of principal and an adequate return on analysis; anything else is speculation and belongs in a small, separate sum.
Bitcoin's fixed supply makes it the first digital asset with credible scarcity that nobody can inflate.
Scarcity is a claim about the asset; Graham's rule is about the buyer. Without an estimate of value and a margin of safety, holding it is speculation however sound the thesis, so size it as speculation.
Popper qualified by Ammous
Bitcoin's price has always tracked the spread of belief in it, which is why its history is manias and crashes.
Bitcoin's fixed supply makes it the first digital asset with credible scarcity that nobody can inflate.
The scarcity is designed; the price is what other people believe today. Both are true, and only your position size is under your control.
Where to start
One practical move from each of the most relevant books. Places to begin, not a plan; the plan is what a personalised brief writes.
- Write the rule
Fix your allocation in advance so market moves don't renegotiate it.
- Set a floor
Define the savings percentage that happens before any discretionary spending.
- Count the custodian
Treat where and how you hold an asset as a risk equal to the asset itself.
The books
The sources AskNex draws on for this problem, most relevant first. Each opens the book's own page.
What this page can't tell you
AskNex would rather say less than imply more.
- This page orients; it does not know your situation. The personalised brief applies these sources to what you actually describe.
This page knows the sources.
It doesn't know you.
Describe your actual situation and AskNex writes a brief from these same sources: the short answer, where they agree and disagree for your case, and what to do this week.
“How do I tell conviction from speculation?”
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