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Fear, Greed & Market Psychology

The Dual Forces Driving Markets

Warren Buffett: "Be fearful when others are greedy, and greedy when others are fearful."

Markets oscillate between two dominant emotions:

  • Fear (pessimism, risk aversion, panic)
  • Greed (optimism, risk-seeking, euphoria)

Understanding this pendulum is key to behavioral investing.

Fear in Financial Markets

Manifestations of Fear

Individual Level:

  • Panic selling
  • Flight to safety (bonds, gold, cash)
  • Analysis paralysis (can't make decisions)
  • Excessive checking of portfolio

Market Level:

  • Volatility spikes (VIX jumps)
  • Liquidity dries up (bid-ask spreads widen)
  • Correlations go to 1.0 (everything falls together)
  • Quality spreads narrow (junk bonds sell off more)

Fear-Driven Market Events

2008 Financial Crisis:

  • S&P 500 fell 57% (peak to trough)
  • VIX hit 80 (normal: 12-20)
  • Investors liquidated everything, even safe assets
  • Fear cascade: Selling → Price falls → More fear → More selling

March 2020 COVID Crash:

  • Fastest 30% decline in history (22 trading days)
  • VIX hit 82.69 (all-time record)
  • Even gold sold off initially (ultimate safe haven!)
  • Indiscriminate fear: Sold everything for cash

Indian Context: 2008 crash—Sensex fell from 21,000 to 8,000 (-62%). Retail investors panic sold at bottom, locked in losses. Those who stayed invested recovered fully by 2014.

The Biology of Fear

Amygdala hijack: Under extreme stress, amygdala (fear center) overrides prefrontal cortex (rational thought).

Result: Fight-or-flight response

  • Fight → Aggressive trading
  • Flight → Panic selling
  • Freeze → Paralysis

Evidence: Cortisol (stress hormone) levels correlate with selling intensity during crashes. Traders with higher cortisol sell more aggressively.

Greed in Financial Markets

Manifestations of Greed

Individual Level:

  • FOMO (Fear of Missing Out)
  • Excessive risk-taking
  • Leverage abuse ("2x the gain!")
  • Overtrading

Market Level:

  • Bubbles form (prices far exceed fundamentals)
  • Everyone's a genius (bull markets make everyone look smart)
  • Valuations ignored ("This time is different")
  • Credit expansion (easy money fuels speculation)

Greed-Driven Bubbles

Dotcom Bubble (1999-2000):

  • Nasdaq rose 400% in 5 years
  • Companies with no revenue valued at billions
  • "Eyeballs" and "clicks" replaced earnings
  • Peak greed: Pets.com IPO (lost money on every sale, still IPO'd)
  • Aftermath: -78% crash, $5 trillion destroyed

Real Estate Bubble (2006-2008):

  • "Housing prices never fall nationally"
  • Ninja loans (No Income, No Job, No Assets)
  • Flipping houses for quick profits
  • Peak greed: Mortgage brokers giving loans to anyone
  • Aftermath: -40% home prices, global financial crisis

Cryptocurrency Bubble (2017):

  • Bitcoin $1,000 → $20,000 in 1 year
  • ICOs raised billions (whitepaper + hype = funding)
  • "Get rich quick" schemes rampant
  • Peak greed: People quitting jobs to trade crypto
  • Aftermath: -85% crash to $3,000

Indian Example: 2007-2008 bull run

  • Sensex rose from 8,000 (2005) to 21,000 (2008)
  • IPOs oversubscribed 50-100x (NTPC, Reliance Power)
  • Retail investors opening demat accounts at record pace
  • Peak greed: Cab drivers giving stock tips
  • Aftermath: -62% crash in 2008

The Biology of Greed

Nucleus accumbens: Reward center activated by gains.

Dopamine release: Each gain triggers dopamine → Feels good → Want more gains → Overtrading.

Addiction parallel: Trading gains activate same brain regions as gambling, drugs.

Evidence: Professional traders show dopamine spikes before placing bets (not after outcome)—the act of risk-taking itself is rewarding.

The Fear-Greed Cycle

Stage 1: Greed Builds

  • Market rising
  • FOMO intensifies
  • Risk-taking increases
  • Valuations expand

Stage 2: Peak Greed (Euphoria)

  • Everyone's buying
  • "Can't lose!"
  • Maximum leverage
  • Top of market

Stage 3: First Cracks

  • Small decline
  • "Just a healthy correction"
  • Dip buyers emerge
  • Volatility increases

Stage 4: Fear Emerges

  • Losses mounting
  • Denial → Anxiety
  • Some start selling
  • Momentum reverses

Stage 5: Panic (Peak Fear)

  • Indiscriminate selling
  • "Get me out!"
  • Liquidity vanishes
  • Bottom of market

Stage 6: Recovery

  • Dust settles
  • Bargain hunters emerge
  • Fear subsides
  • Cycle begins again
Note

Historical Pattern: Every major cycle follows this progression. Key insight: Extremes are temporary. Peak fear = maximum opportunity (buy). Peak greed = maximum danger (sell). Middle states = hold.

Measuring Fear & Greed

VIX (Fear Index)

Interpretation:

  • VIX < 15: Complacency, low fear
  • VIX 15-25: Normal conditions
  • VIX 25-40: Elevated fear
  • VIX > 40: Panic

Contrarian Use: VIX > 40 historically excellent buying opportunity.

Evidence: Buying when VIX > 40 and holding 1 year = average 25%+ return (vs 10% normal).

CNN Fear & Greed Index

Components (0-100 scale):

  • Market momentum
  • Stock price breadth
  • Put/call ratios
  • Junk bond demand
  • Safe haven demand
  • Market volatility
  • Stock price strength

Interpretation:

  • 0-25: Extreme Fear → Buy signal
  • 25-45: Fear → Cautiously bullish
  • 45-55: Neutral
  • 55-75: Greed → Cautiously bearish
  • 75-100: Extreme Greed → Sell signal

Put/Call Ratio

Formula: Put volume / Call volume

Interpretation:

  • Ratio > 1.0: More puts than calls = Fear
  • Ratio < 0.7: More calls than puts = Greed

Contrarian: Extreme readings signal reversals.

Exploiting Fear & Greed

Counter-Cyclical Strategy

When Fear Dominates (VIX > 40, Extreme Fear):

  • Action: Buy quality stocks at discounts
  • Psychology: Override own fear with data
  • Historical: March 2009, March 2020 = generational buying opportunities

When Greed Dominates (VIX < 12, Extreme Greed):

  • Action: Reduce exposure, take profits, raise cash
  • Psychology: Override FOMO with discipline
  • Historical: January 2000, October 2007, January 2018 = market peaks

Buffett's Contrarian Approach

2008 Crisis (Peak Fear):

  • Buffett: "Be greedy when others are fearful"
  • Invested $5B in Goldman Sachs, $3B in GE
  • Wrote NYT op-ed: "Buy American. I Am."
  • Result: Massive profits as fear subsided

2020 COVID (Peak Fear):

  • Bought airline stocks at 50%+ discount during March panic
  • "Never bet against America"
  • Result: 100%+ gains within 1 year

Key Takeaways

  • Dual forces: Fear and greed drive market cycles, oscillating between extremes
  • Fear manifestations: Panic selling, VIX spikes, liquidity dries up, correlations → 1.0
  • Greed manifestations: Bubbles, FOMO, leverage abuse, "this time is different"
  • Biology: Amygdala (fear), nucleus accumbens (greed) override rationality
  • Cycle: Greed builds → Peak euphoria → Fear emerges → Panic → Recovery (repeats)
  • Measurement: VIX, Fear & Greed Index, put/call ratios track emotional extremes
  • Exploitation: Buy at peak fear (VIX > 40), sell at peak greed (VIX < 12)
  • Historical: 2008, 2020 crashes = peak fear = buying opportunities; 2000, 2007 = peak greed = tops

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