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NISM Certifications · NISM-Series-X-B: Investment Adviser (Level 2) · Basics of Behavioural Finance

An investor refuses to sell a stock that has fallen 30% below her purchase price, saying she will sell only when it returns to her cost. Which behavioural bias does this most directly illustrate?

This is the disposition effect: the investor holds a losing stock to avoid realising a loss, waiting to break even at her purchase price. The bias leads investors to hold losers too long and sell winners too soon, which is unrelated to recency or home bias.

  1. ADisposition effectCorrect
  2. BRecency bias
  3. CHome bias
  4. DAnchoring to a market index

Explanation

The disposition effect is the tendency to sell winners too early and hold losers too long to avoid realising a loss. Refusing to sell until the price returns to cost is a classic example. Recency bias concerns overweighting recent events, and home bias concerns preference for domestic or familiar assets.

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