S&P Global, the parent company of S&P Dow Jones Indices LLC, officially launched three cryptocurrency indices on May 4, 2021, marking a significant step in mainstreaming digital assets. The new offerings include the S&P Bitcoin Index (SPBTC), the S&P Ethereum Index (SPETH), and the S&P Crypto Mega Cap Index (SPCMC), the latter measuring the combined performance of bitcoin and ethereum.
Index Details and Methodology
The indices, collectively known as the S&P Digital Market Indices, are designed to bring transparency to the emerging cryptocurrency market. According to S&P Global, each index measures the performance of a selection of digital assets listed on recognized, open exchanges that meet minimum liquidity and market capitalization criteria. The Crypto Mega Cap Index currently comprises only bitcoin and ethereum, reflecting their dominant positions in the market.
These indices are not directly investable but serve as benchmarks for asset managers, financial product issuers, and institutional investors. The launch paves the way for more regulated crypto exposure products such as exchange-traded notes (ETNs) or derivative contracts.
Data Partnership with Lukka
S&P Global selected Lukka Inc. as its data provider for digital asset pricing and reference data. Lukka's products — Lukka Prime and Lukka Reference Data — are designed to deliver institution-grade pricing by filtering out anomalous and wash trades, providing a more accurate representation of fair market value. This partnership ensures the indices meet the rigorous data quality standards expected by S&P Dow Jones Indices.
Industry Implications: A Mainstream Endorsement
S&P Global noted that cryptocurrencies have become mainstream and appear here to stay, as more companies offer crypto services and global adoption grows. An S&P analyst described bitcoin's rise as "reminiscent of the U.S. gold rush," highlighting the speculative yet transformative nature of the asset class.
The entry of a traditional index giant like S&P strengthens the legitimacy of cryptocurrencies. Previously, Bloomberg and Nasdaq had launched or announced similar indices, but S&P's extensive reach across global financial markets amplifies the impact. Analysts believe that standardized indices are critical for institutions to allocate capital to digital assets with confidence.
Future Prospects and Limitations
Bitcoin and ethereum together account for roughly 60% of the total cryptocurrency market capitalization. By starting with these two, S&P Global adopts a conservative but prudent approach. The Crypto Mega Cap Index may be expanded in the future to include more assets as they mature and meet the index criteria.
It is important to note that the indices only measure price performance and do not incorporate staking yields, lending returns, or any other income from digital assets. S&P Global plans to review the index methodology periodically to keep pace with market developments.
Overall, the launch of these indices represents a milestone in the convergence of traditional finance and the crypto ecosystem, offering a trusted yardstick for an asset class that has long been criticized for its lack of transparency and standardization.

