Highlights:

  • Understand how anchoring bias causes investors to fixate on irrelevant reference points like purchase price or past highs
  • A recent 2025 study on Indian retail investors: Anchoring bias is a top predictor of investment decisions (β=0.289), explaining significant variance alongside overconfidence.
  • Discover real examples of anchoring affecting Indian investors, from fixed deposit expectations to stock market decisions
  • Solutions: Focus on current fundamentals, pre-defined rules, regular zero-based portfolio reviews, and valuation ranges.

Introduction

You bought a stock at ₹1000. It falls to ₹600. You refuse to sell, waiting to “at least break even.” This is anchoring bias, one of the most common and costly behavioural traps for Indian investors.

Anchoring bias occurs when investors rely too heavily on the first piece of information they encounter (the “anchor”), such as purchase price, 52-week high, IPO listing price, or past returns, and let it disproportionately influence subsequent decisions, even when new evidence shows it is no longer relevant.

What is Anchoring Bias?

Anchoring bias is a cognitive heuristic where the initial reference point heavily skews judgment. In investing, this often manifests as mental attachment to the original purchase price or historical peaks, making it psychologically difficult to accept losses or recognise new opportunities.

Behavioural finance research consistently shows that this bias affects both novice and experienced investors. A 2025 study on Indian retail investors found anchoring bias as one of the strongest predictors of investment decision-making (standardised β=0.289), highlighting its outsized role in India’s growing retail market.

How Anchoring Bias Traps Investors in Losing Positions

Investors anchored to their purchase price often hold declining stocks far longer than justified by fundamentals, hoping for a return to the original level. This delays rational exits, locks capital in underperformers, and increases opportunity costs.

Examples:

  • IPO Anchoring: Retail investors frequently avoid quality stocks trading below their IPO issue price, even when current valuations and business prospects are strong.
  • Fixed Deposit Rates: Investors anchored to older 8-8.5% FD rates hesitate to invest at current lower rates (6.5-7%), either staying idle or chasing unsuitable high-risk options.
  • 52-Week Highs: Many wait for stocks to retest previous peaks before buying, missing entries in fundamentally sound companies.

Recent research confirms these patterns persist among Indian retail investors, amplified by digital trading apps and easy access.

Summary Table: Impact of Anchoring Bias

AspectEffect on InvestorsIndian Evidence
Purchase Price AnchoringHold losers too long, delay loss realisationCommon in retail; leads to deeper drawdowns
IPO / Issue Price AnchoringMiss buying opportunities below anchorRefusal to buy quality stocks post-IPO correction
Past Returns / HighsUnrealistic expectations, missed entriesFixation on 3-yr MF returns or 52-week highs
FD / Interest Rate AnchoringSuboptimal allocation or idle cashHesitation at current lower rates

How to Overcome Anchoring Bias

Practical Strategies:

  • Focus on Current Fundamentals: Evaluate every holding as if buying it today — assess valuations (PE, PB), earnings growth, competitive moat, and industry outlook.
  • Pre-Defined Rules: Set stop-losses and target prices based on percentages or valuation metrics before investing.
  • Zero-Based Portfolio Reviews: Quarterly, ask: “Would I buy this today at the current price and fundamentals?”
  • Use Valuation Ranges: Instead of single price targets, consider scenarios (bull/base/bear case).
  • Seek Contrarian Views: Actively consult diverse sources and SEBI investor education materials to challenge your anchors.
  • Benchmark Objectively: Compare performance against Nifty 50 or sector indices rather than personal entry price.

Conclusion

Anchoring bias keeps many Indian investors trapped in losing positions by tying decisions to outdated reference points instead of evolving fundamentals. The latest 2025 research confirms its strong influence on retail decision-making. By adopting systematic, rules-based processes and focusing relentlessly on current realities rather than historical anchors, you can make more rational choices, cut losses timely, seize better opportunities, and build stronger long-term portfolios. Discipline beats emotional attachment in the market.

FAQs

1. What is anchoring bias in investing?

Anchoring bias occurs when investors rely too heavily on the first piece of information they receive, such as the purchase price or a previous high, allowing it to disproportionately influence investment decisions even when fundamentals change significantly.

2. How does anchoring bias affect portfolio returns?

Anchoring causes investors to hold losing stocks too long, miss buying opportunities, and delay exits, leading to increased losses and reduced portfolio returns by preventing timely, rational decisions based on current fundamentals.

3. What is an example of anchoring bias in the stock market?

An investor who bought a stock at ₹500 and sees it fall to ₹200 may refuse to sell, waiting for it to return to ₹500 despite deteriorating business fundamentals, anchored to the original purchase price.

4. Why do investors anchor to past prices?

Investors anchor to familiar reference points due to mental shortcuts, emotional comfort with known numbers, reliance on first information received, and difficulty updating beliefs when new market information emerges or contradicts existing views.

5. How can investors avoid anchoring bias?

Focus on current fundamentals rather than past prices, use valuation ranges instead of single targets, set rule-based entry and exit strategies, regularly review portfolios, and seek diverse perspectives to challenge fixed assumptions.