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Behavioral Finance

Anchoring Effect in Investing: How Initial Information Shapes Decisions

by 스노우볼티비 2026. 3. 9.
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In investing, first impressions matter more than we often realize. This phenomenon is called the Anchoring Effect, where people rely too heavily on the first piece of information they encounter when making decisions.

The Anchoring Effect occurs when initial reference points—prices, predictions, or past experiences—affect subsequent judgments, even if the original information is irrelevant or arbitrary. In finance, this bias can subtly distort decision-making in both stocks and cryptocurrencies.


1. How the Anchoring Effect Works

Humans naturally use reference points to simplify complex decisions. While this can be helpful, it often leads to overreliance on the first number or idea encountered.

  • Example: If a stock previously traded at $100, investors may perceive $90 as a bargain, even if market conditions have changed.
  • In cryptocurrency, seeing a coin reach $10 before dropping to $7 may anchor investors to the “high price,” affecting their sell or buy decisions.

2. Anchoring in Stock and Crypto Markets

A. Stock Prices

Investors often anchor on historical highs or lows. For example:

  • A stock once at $150 may seem undervalued at $130, even if fundamentals have deteriorated.
  • Analysts’ target prices can serve as anchors, influencing buying or selling decisions.

B. Cryptocurrency Values

Crypto investors frequently anchor on previous peaks:

  • “This coin was $50 last month; $40 is cheap!”
  • Market hype can strengthen anchors, leading to emotional rather than rational decisions.

C. News and Reports

Initial news or analyst opinions can also create anchors. Subsequent updates may be ignored or undervalued if they conflict with the first impression.


3. How to Reduce Anchoring Bias

  1. Focus on Current Data
    • Analyze the latest fundamentals rather than relying on past prices.
  2. Set Independent Criteria
    • Establish buy/sell thresholds based on analysis, not historical anchors.
  3. Question Initial Information
    • Ask whether the first number or opinion is still relevant or accurate.
  4. Use Multiple Perspectives
    • Consider different sources and scenarios to avoid fixation on a single anchor.

Conclusion

The Anchoring Effect is a common cognitive bias in investing. By overemphasizing initial information, investors risk making decisions that are inconsistent with current market realities.

In both stock and cryptocurrency markets, success comes from evaluating data objectively, ignoring irrelevant anchors, and maintaining flexibility in judgment. Recognizing the Anchoring Effect can help investors make smarter, more rational choices.

 

 

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