Deliberate Decision Slowdown
Pause before acting and test whether sentiment is driving the decision
- Difficulty
- Moderate
- Time to result
- ~days to results
- Steps
- 4
- Confidence
- 94%
Fisher's slowdown rule begins from a behavioral observation: the more decisions investors make, the more bad decisions they tend to make. Most people do not mark the moment when a decision is happening or acknowledge that it may be wrong. Instead they want to act, finish the choice, and then defend it. Fisher recommends inserting a deliberate pause. Before acting, ask whether the environment is euphoric, pessimistic, or something else; decide how that mood could be measured; and question whether your interpretation is right. The mechanism uses known human fallibility as a brake on activity. It does not demand permanent inaction. It creates time for evidence and sentiment analysis before an irreversible choice, countering the gut instinct that otherwise overwhelms principles the investor may understand intellectually.
Origin
Fisher offered this decision check while discussing John Templeton's market-cycle aphorism and why investors struggle to internalize contrarian ideas.
Core principles
- 01More decisions create more opportunities for bad decisions
- 02The urge to act should reduce rather than increase confidence
- 03Market mood should be measured before it drives action
- 04Accepting frequent error makes a pause rational
How to run it
- 1
Mark the decision
Explicitly notice that you are about to choose or trade. This prevents action from passing as an unexamined reflex.
Pro tip Say or write that a decision is happening now.
Watch out Unmarked decisions are easy to rationalize after the fact.
- 2
Assume possible error
Remind yourself that investors are often wrong and that this decision may be wrong too. Use humility to reduce urgency.
Pro tip Separate confidence from the emotional force of the moment.
Watch out Wanting certainty does not increase the odds of being right.
- 3
Pause the action
Delay execution long enough to reassess the evidence. The pause counters the desire to get the decision over with.
Pro tip Make the pause a standard part of high-stakes decisions.
Watch out A pause is useful only if it triggers analysis rather than rumination.
- 4
Measure the mood
Ask whether the surrounding market is euphoric or otherwise emotionally extreme, then specify how you would measure that claim. Reconsider the action in light of the result.
Pro tip Use observable sentiment evidence instead of a gut label.
Watch out Reciting a contrarian aphorism is not the same as applying it.
In the wild
Fisher says that before making a decision, an investor should stop and ask whether the world is euphoric, how that could be measured, and whether the conclusion is really correct. This pause is designed to keep the urge to act from defeating the investor's own market-cycle understanding.
→ The action is reassessed through measurable sentiment rather than gut instinct.
Common mistakes
Treating activity as progress
More decisions can mean more bad decisions. Do not act merely to end the discomfort of uncertainty.
Naming sentiment without measuring it
Calling a market euphoric is only an assertion. Fisher's check asks how that mood would be measured before action.
Is it for you?
Best for
It is best for investors who feel compelled to trade in response to vivid news or strong market mood.
Not ideal for
It is not ideal for genuine emergencies where delay would itself create the principal risk.
From the transcript
“the less decisions we make, the better we tend to do”
“I'm making a decision now, the odds are I'm probably wrong, let me slow myself down.”
“don't just do something. Sit there.”
From the episode
Interview With Ken Fisher: Masters in Business (Audio)