CNN's Fear & Greed Index — What it Means for Global Markets (Updated 2026)

Recent instances of extreme fear

Understanding past instances of extreme fear, as well as greed, can provide insights into current market conditions. Here's how the market has shaped up this year:

1. March 12, 2026: Oil hits US$100 as Hormuz stays shut

The US and Israel launched strikes on Iran at the end of February, and tanker traffic through the Strait of Hormuz, the route for about 20 percent of global oil consumption, virtually stopped.

On March 12, Brent crude settled at US$100 a barrel for the first time since 2022 after Iran's new supreme leader, Mojtaba Khamenei, said the strait would stay closed as a tool of pressure.

The move came a day after the International Energy Agency (IEA) agreed to release 400 million barrels from emergency reserves. The S&P 500 fell 1.52 percent, the VIX jumped 10 percent, and CNN's index slipped into extreme fear. The next day, the S&P 500 set a new low for 2026 and logged its first three-week losing streak in about a year.

Losses deepened through the second half of the month. On March 26, the S&P 500 fell 1.74 percent to 6,477.16 and the Nasdaq Composite closed in correction territory, more than 10 percent below its high.

By month's end, the Dow Jones Industrial Average and the Nasdaq were both in correction, and CNN's index was at its lowest level since November 2025. The index's lowest close of 2026, 14, came during this stretch.

2. October 16, 2026: AI funding fears meet oil, rate-hike worries

CNN's index fell to 18 on October 16, from 30 the previous session and 46 a week earlier. That day, the S&P 500 dropped 1.09 percent to 7,659.44 and the Nasdaq Composite fell 2.14 percent to 26,140.03, capping the Nasdaq's worst week since June.

The tech sector, which had experienced prolonged success last year and the early part of 2026, led the decline. Chipmakers and software stocks sold off and AI cloud providers slid as investors questioned how the sector would finance its GPU buildout as borrowing costs rise.

Furthermore, macro data added to the growing pains. US consumer prices rose at an annual rate of 3.7 percent in September, up from 3.4 percent in August, and wholesale inflation posted its biggest gain since 2022. Oil also topped US$101 during the same week and at the start of October. Together, the data pushed traders to price in more rate hikes from the Fed.

Recent instances of extreme greed

CNN's index has not reached extreme greed in 2026. Its high for the year, 71, fell short of the 75 threshold even as the S&P 500 set a string of record highs.

1. April 2026: Relief rally returns the index to greed

As hopes for an end to the Iran war built, stocks recovered their March losses. In mid-April, the S&P 500 (INDEXSP:.INX) closed at a record 7,022.95 and the Nasdaq Composite hit an all-time high, lifting CNN's index into greed at 56.5 from 49.1.

During this period, the S&P 500 gained 10.4 percent in April, its best month since November 2020. The Nasdaq rose 15.3 percent, its strongest month since April 2020.

2. May 2026: Record highs as oil eases

Greed held through most of May. In early May, energy prices fell sharply after President Donald Trump signaled progress in negotiations with Iran.

However, the short-lived rally was already meeting resistance: a day earlier, a hotter-than-expected April inflation report reinforced worries that the Fed would not cut rates this year.

The S&P 500 set another all-time high in early October as Treasury yields fell. Despite this, CNN's index sat at just 47, in neutral territory. Ten days later, it crashed back at 18.

How do other fear-based indexes compare?

While CNN’s Fear & Greed Index is a popular barometer of market sentiment, it isn’t the only fear-based indicator worth watching. Here’s how other major sentiment gauges compare:

Crypto Fear & Greed Index

The Crypto Fear & Greed Index tracks investor sentiment in the cryptocurrency market. Crypto markets are particularly sensitive to risk-off sentiment, making this index an important measure for digital asset investors.

The index hit an all-time low of 5 on February 6, 2026, as Bitcoin fell to US$60,062, about 52 percent below its October 2025 peak near US$126,000. After Bitcoin rallied 24.9 percent in August, the crypto index peaked at 82, in extreme greed, in late August.

Doomsday Clock

Though not a financial index, the Doomsday Clock, updated annually by the Bulletin of Atomic Scientists, reflects global existential risks, including nuclear tensions, climate change and geopolitical instability.

On January 27, 2026, the Bulletin moved the clock to 85 seconds to midnight from 89 seconds, the closest it has ever been. Its board called for limits on nuclear arsenals, international guidelines on AI and multilateral agreements on biological threats, a backdrop of geopolitical risk that can weigh on appetite for equities and other risk assets

AAII Sentiment Survey

The American Association of Individual Investors (AAII) has polled members weekly since 1987 on whether they expect stocks to rise, fall or stay flat over the next six months.

Bullish sentiment has averaged about 37.5 percent historically and bearish sentiment about 31 percent. Unlike CNN's index, which is built from market data, the AAII survey asks investors directly.

What extreme fear means for investors

The plunge of CNN’s Fear & Greed Index into extreme fear territory signals widespread investor anxiety. But is this a warning of further declines, or a contrarian buy signal?

Historically, moments of extreme fear have often preceded strong market rebounds, as panicked selling creates opportunities for value investors. However, not all instances lead to immediate recoveries; some mark the beginning of prolonged downturns, and it can be difficult to tell which scenario is ahead.

Key considerations for investors:

• Economic data: Keep an eye on employment reports, inflation data and GDP growth figures.
• Fed policy: Interest rate decisions will continue to be a key driver of market sentiment.
• Corporate earnings: Weak earnings reports could exacerbate investor fears, while strong results may signal resilience.
• Geopolitical developments: Trade tensions, global conflicts and macroeconomic policies can shift market sentiment quickly.

While fear-based indicators provide valuable insights, investors should use them alongside fundamental and technical analysis to make informed decisions. Whether this moment marks a temporary panic or the start of a broader downturn remains to be seen, but one thing is clear: investors should be prepared for volatility.