In 2022, the Nasdaq 100 fell approximately 33%. Throughout that brutal decline, the largest technology stocks in the index remained wildly profitable, generating billions in revenue. So why did the index collapse? The answer is the discount rate.

The Nasdaq 100 is a growth and technology-heavy index that is more sensitive to interest rate changes than any other major index. This sensitivity occurs because the companies inside it derive most of their value from earnings expected far into the future, which become less valuable when rates rise. Understanding this mechanism changes how you read every single Nasdaq move.

What the Nasdaq 100 actually is

The Nasdaq 100 measures the performance of the 100 largest non-financial companies listed on the Nasdaq stock exchange. It is heavily weighted toward technology, consumer internet, semiconductors, and biotechnology.

Retail traders typically access the index through CFDs labelled as NAS100 or US Tech 100, via ETFs like QQQ, or through index futures. Like the broader US equity market, the Nasdaq uses market-capitalisation weighting. This weighting structure means a small group of the absolute largest technology companies account for a massive percentage of the index's total movement.

How it differs from the S&P 500

The defining difference between the Nasdaq 100 and the S&P 500 is what the Nasdaq explicitly excludes: financial companies. By removing banks and heavily concentrating on technology and growth stocks, the Nasdaq is significantly more top-heavy.

As a result, it behaves very differently from the broader market. It is inherently more volatile, more concentrated, and exponentially more sensitive to shifts in the macroeconomic environment, particularly borrowing costs.

Why the Nasdaq is so sensitive to interest rates

To trade the Nasdaq effectively, you must understand the long-duration concept. The growth companies dominating this index derive a massive share of their total company valuation from earnings expected years, or even decades, into the future.

When interest rate expectations rise, those future earnings are discounted at a higher rate, making them worth less in today's money.

Think of it this way: if a technology company is expected to earn US$10 billion in ten years, how much is that future cash worth to an investor today? If the discount rate is 2%, that future US$10 billion is highly valuable right now. But if the discount rate rises to 5%, the present value of that exact same US$10 billion drops significantly.

This mathematical reality is why the Nasdaq fell 33% in 2022. The decline was not primarily driven by deteriorating technology fundamentals. Instead, the Federal Reserve initiated an aggressive rate hiking cycle. This shift sharply raised the discount rate applied to future growth earnings across the board, crushing valuations even while the companies remained highly profitable. You can explore how rate expectations ripple into government paper in our bond yields guide.

What moves the Nasdaq 100

The index reacts to four primary drivers, combining macroeconomic interest rate sensitivity with company fundamentals and secular tech themes.

How the Nasdaq connects to the markets you trade

Because the Nasdaq is the quintessential risk-on, rate-sensitive index, its price action is deeply tied to the broader macroeconomic landscape:

The Nasdaq and S&P 500 often move together, but not by the same magnitude. In a rate-driven sell-off, the Nasdaq falls significantly harder because of its higher concentration of rate-sensitive growth stocks. If the two indices diverge sharply, it usually points to a tech-specific story or a deeper sector rotation underneath the surface.

This is the most direct confirmation signal. When the Nasdaq rallies on rate cut expectations, bond yields (like the 10-year Treasury) should be falling simultaneously. If the Nasdaq is surging while bond yields are rising, the move is likely thematic (like AI) rather than macro, and should be treated with caution.

Bitcoin and the Nasdaq share a fundamental macro driver: risk appetite for long-duration assets. Both tend to rise when rate cut expectations build and fall when borrowing costs surge. Compare digital assets to traditional hedges in our gold vs cryptocurrency guide.

Gold shares the real yields connection. When real yields fall, supporting the Nasdaq via a lower discount rate, gold is also typically supported as its opportunity cost drops.

The AUD/USD pair tracks broad global risk appetite. A genuine macro-driven Nasdaq rally tends to support the Australian dollar, whereas a narrow, AI-driven tech rally might not move the currency at all. Shifts in rate expectations will also inevitably drive the US dollar and shift broader market volatility.

When the Nasdaq moves most

To trade the Nasdaq effectively, monitor macroeconomic events that shift the discount rate, alongside corporate catalysts:

• Fed meetings & CPI data: Federal Reserve rate decisions and inflation data directly shift the discount rate applied to long-duration growth valuations.
• Mega-cap tech earnings: Quarterly reports from heavyweights directly move the index and dictate tech sector momentum.
• AI thematic announcements: Major structural AI product launches or infrastructure spending updates that validate or disappoint growth expectations.
• Opening & closing bells: The first and last 30 minutes of the New York trading session bring peak volume and execution volatility.