Chainlink Unveils Real-Time Data Streams for U.S. Stocks and ETFs, Fueling DeFi’s Expansion Into Traditional Finance

Chainlink Data Streams now live on 37 blockchains and integrated by DeFi apps like GMX and Kamino.
Real-time pricing data includes SPY, AAPL, MSFT, QQQ, NVDA, and more.
The launch supports applications like perpetuals, tokenised equities, and synthetic ETFs.

Chainlink has released a new service called Data Streams to provide real-time pricing for US equities and exchange-traded funds (ETFs) on-chain. The solution is currently live across 37 blockchains and has already been integrated by decentralised finance (DeFi) protocols like GMX, GMX-Solana, and Kamino.

We’re excited to launch Chainlink Data Streams for U.S. equities & ETFs—real-time, low-latency data to power the next generation of tokenized RWA markets.https://t.co/CwKVkUnZxO
These new Data Streams are being adopted by top DeFi protocols, including @GMX_IO, @KaminoFinance,…
— Chainlink (@chainlink) August 4, 2025

The data feeds cover prominent traditional finance assets including SPY, CRCL, QQQ, NVDA, AAPL, and MSFT, and are designed to support applications such as perpetual futures, synthetic ETFs, and tokenised stock trading.

Chainlink’s infrastructure tackles challenges around market hours, data staleness, and price accuracy through mechanisms like circuit breakers and event-aware logic. It uses aggregated pricing data from sources such as Finalto, Tiingo, and Finnhub.

The system relies on decentralised oracle networks (DONs) and is powered by a structured schema to ensure composability and high-throughput delivery. This architecture also allows users to combine multiple streams for custom index products.

Johann Eid, Chief Business Officer at Chainlink Labs, said the fast and context-rich market data offered by the new service would enable “production-ready tokenised financial products” to launch directly on-chain.

This is a significant leap forward for tokenised markets – closing a critical gap between traditional finance and blockchain infrastructure.

Johann Eid, Chief Business Officer at Chainlink Labs

Related: Matt Hougan: Tokenisation – Wall Street’s Next Trillion-Dollar Revolution

The Road Ahead

With the real-world asset market projected to hit US$30 trillion (AU$46.35 trillion) by 2030, Chainlink believes this launch is timely. The tokenised assets sector currently stands at around US$275 billion (AU$424.88 billion).

Future plans include expanding coverage to other asset classes such as forex, commodities, and over-the-counter markets, along with more developer tools and SDK updates.

Related: Cardano Eyes $100M ADA Investment to Boost DeFi Ecosystem

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