1. The Psychology Behind Market Movements
Stock prices are determined by supply and demand. But what drives supply and demand? Ultimately, it's human emotion. When investors are optimistic, they buy — pushing prices higher. When they're fearful, they sell — pushing prices lower.
This creates a cycle that repeats throughout market history. Greed builds during bull markets as investors chase rising prices, fear missing out (FOMO), and take on excessive risk. Fear takes over during corrections and bear markets as investors panic-sell, often at the worst possible time.
"Be fearful when others are greedy, and greedy when others are fearful."
— Warren Buffett
This Buffett quote captures the essence of contrarian investing: the best buying opportunities often come when the market is most afraid, and the greatest risks emerge when everyone is euphoric.
2. What Is the VIX?
The VIX (CBOE Volatility Index), often called the "fear index" or "fear gauge," is the market's most widely used measure of expected volatility. It was created by the Chicago Board Options Exchange (CBOE) in 1993.
Technically, the VIX measures the implied volatility of S&P 500 index options over the next 30 days. In plain English: it shows how much price movement options traders expect in the near future.
How to Read VIX Levels
For reference, the VIX spiked above 80 during the 2008 financial crisis and above 65 during the March 2020 COVID crash — both were followed by significant market recoveries.
3. How WIT Calculates the Sentiment Score
WIT's sentiment gauge on the dashboard derives its score from the VIX. Here's the methodology:
The Mapping Formula
WIT maps VIX values from the range 10–40 onto a 0–100 sentiment scale:
- • VIX ≈ 10 → Sentiment Score ≈ 100 (Extreme Greed)
- • VIX ≈ 15 → Sentiment Score ≈ 83 (Greed)
- • VIX ≈ 20 → Sentiment Score ≈ 67 (Mild Greed)
- • VIX ≈ 25 → Sentiment Score ≈ 50 (Neutral)
- • VIX ≈ 30 → Sentiment Score ≈ 33 (Fear)
- • VIX ≈ 35 → Sentiment Score ≈ 17 (High Fear)
- • VIX ≈ 40+ → Sentiment Score ≈ 0 (Extreme Fear)
The score is inverted from the VIX: a low VIX (calm markets) produces a high greed score, while a high VIX (volatile markets) produces a high fear score. This makes the gauge intuitive — the needle swings toward "fear" on red days and toward "greed" on calm, rising days.
4. Reading the Fear & Greed Gauge
On WIT's dashboard, the sentiment gauge uses a color-coded semicircle:
Green Zone (Score 70–100): Greed
Investors are optimistic, buying aggressively. Markets are calm with low volatility. While this feels comfortable, extreme greed can signal a market that's overheated.
Yellow Zone (Score 40–70): Neutral
Balanced sentiment. Neither extreme fear nor greed dominates. Markets are functioning normally with typical levels of volatility.
Red Zone (Score 0–40): Fear
Investors are anxious or panicking. Selling pressure is high. Historically, extreme fear has often preceded some of the best buying opportunities.
Key insight: The gauge shows you where the crowd stands emotionally. It doesn't predict the future — it tells you the current temperature of the market. Use it as context for your decisions, not as a standalone signal.
5. The Contrarian Approach
Contrarian investing is the strategy of going against the prevailing market sentiment. The theory is that crowds tend to be wrong at extremes:
- When fear is extreme (VIX 35+): The crowd is selling in panic. Contrarians look for quality stocks that have been unfairly punished. The logic: if everyone who wanted to sell has already sold, there's limited downside and significant upside when sentiment normalizes.
- When greed is extreme (VIX below 12): The crowd is buying aggressively and ignoring risks. Contrarians become more cautious, lock in profits, or hold cash for future opportunities. The logic: complacency leads to overvaluation, and any negative surprise can trigger sharp corrections.
This doesn't mean you should always do the opposite of the crowd. It means you should be aware of where sentiment stands and factor it into your decision-making. Extreme readings (below 20 or above 80 on WIT's scale) deserve extra attention.
6. Historical Examples
Looking at history shows how sentiment extremes have coincided with major market turning points:
March 2020: COVID Crash (VIX hit 82)
Maximum fear. The S&P 500 dropped 34% in just 23 trading days. Investors who bought during this extreme fear saw the market recover 70%+ within 12 months. The VIX plunged back below 20 by mid-2020.
October 2008: Financial Crisis (VIX hit 80)
The collapse of Lehman Brothers sent the VIX to unprecedented levels. While the market continued falling for several more months, investors who bought during the panic and held for 5+ years saw extraordinary returns.
January 2018: Volatility Event (VIX spiked from 11 to 37)
After a long period of extreme low volatility (extreme greed), the VIX suddenly spiked, causing a 10% market correction. The complacency of a VIX below 12 had masked building risks.
Late 2021: Meme Stock Mania (VIX 15–18)
Low VIX and extreme speculative behavior in meme stocks and SPACs. Greed was widespread. The NASDAQ subsequently fell over 30% in 2022 as the bubble deflated.
7. Practical Tips for Investors
Here's how to incorporate the Fear & Greed Index into your investment process:
- Check the gauge daily on WIT's dashboard. Make it part of your routine. Knowing where sentiment stands helps you contextualize market moves.
- Don't use it in isolation. Combine sentiment with fundamental analysis (P/E ratios, balance sheets, cash flows) for a complete picture.
- Set thresholds for action. For example: "When the score drops below 25, I'll review my watchlist for potential buys." Having rules prevents emotional decision-making.
- Prepare a shopping list in advance. Research stocks you'd like to own at lower prices. When fear strikes and the gauge drops into the red zone, you'll be ready to act while others hesitate.
- Remember the time horizon. Sentiment indicators are most useful for medium to long-term investors. Day traders face too much noise. If your investment horizon is 5+ years, buying during fear has historically been rewarded.
- Monitor trends, not just levels. A rising VIX (falling sentiment) that's still in neutral territory can be an early warning sign. A falling VIX after a fear spike signals recovery.
Final thought: The Fear & Greed gauge is a tool for emotional awareness. It won't tell you exactly when to buy or sell, but it will help you recognize when the crowd's emotions might be creating opportunities — or traps.