---
title: "Meaning & Key Takeaway of: A weakness of the random-walk model lies…"
description: "\"A weakness of the random-walk model lies in its assumption of instantaneous adjustment, whereas the information impelling a stock market toward its \"in..."
image: "https://sms4smile.com/quotes/i/b5a/richard-arnold-epstein-33354_adjustment_a-weakness-of-the-random-walk-model-lies_1302139.jpg"
---

#  A weakness of the random-walk model lies in its assumption…

![“A weakness of the random-walk model lies in its assumption of instantaneous adjustment, whereas the information impelling a stock market toward its &quot;intrinsic value&quot; gradually becomes disseminated throughout the market place.” quote by Richard Arnold Epstein](https://sms4smile.com/quotes/i/b5a/richard-arnold-epstein-33354_adjustment_a-weakness-of-the-random-walk-model-lies_1302139.jpg)   [Download](https://sms4smile.com/quotes/i/b5a/richard-arnold-epstein-33354_adjustment_a-weakness-of-the-random-walk-model-lies_1302139.jpg) [Open image](https://sms4smile.com/quotes/i/b5a/richard-arnold-epstein-33354_adjustment_a-weakness-of-the-random-walk-model-lies_1302139.jpg)

> “A weakness of the random-walk model lies in its assumption of instantaneous adjustment, whereas the information impelling a stock market toward its "intrinsic value" gradually becomes disseminated throughout the market place.”

[Richard Arnold Epstein](https://sms4smile.com/quotes/author/richard-arnold-epstein/)

## About This Quote

This interpretation was drafted with AI assistance. It is one reading of the quote, not the author's own explanation.

The random-walk model assumes instant price changes, ignoring the slow spread of information that moves markets toward true value.

**In simple terms:** Markets don’t adjust instantly; information spreads gradually.

Key Takeaway

Consider gradual information flow in market analysis.

Themes

finance economics information theory market behavior

Mood

analytical critical

Type

theoretical educational

When to use this quote

- trading strategy development
- risk modeling
- investment education

Key Concepts

random-walk model price discovery information diffusion

Questions to Reflect On

- How does information speed affect market efficiency?
- Can models incorporate delayed adjustments?

A Different Perspective

Real markets may react faster due to technology.

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[Adjustment](https://sms4smile.com/quotes/about/adjustment/) [Assumption](https://sms4smile.com/quotes/about/assumption/) [Customer](https://sms4smile.com/quotes/about/customer/) [Impelling Stock](https://sms4smile.com/quotes/about/impelling-stock-4280534/) [Information](https://sms4smile.com/quotes/about/information/) [Information Impelling](https://sms4smile.com/quotes/about/information-impelling-4280533/) [Instantaneous](https://sms4smile.com/quotes/about/instantaneous/) [Intrinsic value](https://sms4smile.com/quotes/about/intrinsic-value/) [Investing](https://sms4smile.com/quotes/about/investing/) [Lying](https://sms4smile.com/quotes/about/lying/) [Market Intrinsic](https://sms4smile.com/quotes/about/market-intrinsic-4280531/) [Models](https://sms4smile.com/quotes/about/models/) [Value Gradually](https://sms4smile.com/quotes/about/value-gradually-4280532/) [Values](https://sms4smile.com/quotes/about/values/) [Walks](https://sms4smile.com/quotes/about/walks/) [Weakness](https://sms4smile.com/quotes/about/weakness/)

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