💻Nasdaq 100 today

The Nasdaq 100 tracks the 100 largest non-financial companies listed on the Nasdaq exchange — Apple, Microsoft, Nvidia, Amazon, Meta, Tesla and peers. Not to be confused with the Nasdaq Composite, which includes all 3,000-plus companies listed there.

It is, in practice, the technology index. Banks and insurers are excluded by rule, so software, semiconductors and internet dominate.

That concentration explains the behaviour: when the market is optimistic about tech, the Nasdaq rises well above the S&P 500; when US rates climb or the euphoria fades, it falls harder too. More potential return, deeper drawdowns.

Weights follow adjusted market value, with an extra diversification rule: if the largest positions exceed certain combined limits, Nasdaq runs a special rebalancing to trim them.

The ordinary reconstitution is annual (December), with quarterly weight adjustments. Financial companies never enter — that is a construction rule, not a coincidence.

Even with the cap, the index is very concentrated: a few top holdings account for a huge share of the total. Buying the Nasdaq 100 mostly means buying a handful of technology giants.

With a brokerage account abroad, the reference ETF is QQQ.

On B3, exposure typically comes from ETF BDRs linked to the index and international funds offered by Brazilian banks and brokers, all priced in reais — which means the final return depends on the dollar as much as on the companies.