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For us at S&P DJI, this is an exciting time because this new asset class is bringing unprecedented change to our financial ecosystem and the mindsets of market participants.

The cryptocurrency space is unlike traditional financial markets, and certainly unlike the ones we have benchmarked at S&P DJI over the last 100 years. Living mainly within the realm of technology, cryptocurrencies like Bitcoin are beyond the realm of traditional currencies, securities, commodities, and physical assets. They are new, evolving, and not controlled by governments, although their use is regulated in various jurisdictions. Instead, they’re decentralized, meaning that no one entity can fully control or halt the use of these currencies.

Structurally, these cryptocurrencies are creating their own new, evolving, decentralized markets. Enormous value is now being transacted in dozens of exchanges where there are no traditional market makers.

But along with opportunities, this asset class comes with a host of new challenges. As an emerging space, one of the biggest issues is a lack of transparency.

Our cryptocurrency indices seek to address some of the challenges the industry is currently facing, including the issue of transparency. S&P DJI’s independent, reliable, and accessible indices have a long track record of bringing transparency to a wide range of markets across asset classes and geographies, and we believe they can do the same for this emerging, complex asset class.

To that end, we are launching our index series around the two largest and most prominent cryptocurrencies—Bitcoin and Ethereum. The initial launch will include the following indices:

• S&P Bitcoin Index
• S&P Ethereum Index
• S&P Cryptocurrency MegaCap Index

These indices will measure the performance of Bitcoin, Ethereum, and a market cap weighting of Bitcoin and Ethereum, respectively.

Later this year, the S&P Digital Market Index Series will look to include additional coins and broader-based indices such as large-cap and broad market benchmarks.

Stay tuned as we expand this series of indices.

¹ Market capitalization corresponds to coin supply multiplied by coin price for cryptocurrencies.

Investing involves risks and potential users of digital or virtual currencies should be forewarned of a possible financial loss at any time due to unfavorable market trends.

In June 2023, the U.S. dollar London Inter-Bank Offered Rate (LIBOR) will likely be discontinued. The Alternative Reference Rates Committee has identified the Secured Overnight Funding Rate (SOFR) as the recommended alternative reference rate to replace USD LIBOR. SOFR is calculated as a volume-weighted median of transaction-level U.S. Treasury repurchase agreements data, reflecting borrowing cost in overnight borrowing collateralized by U.S. Treasury securities.

There are three major differences between SOFR and USD LIBOR.

1. SOFR is based on observable transactions in the largest rates market in the world at a given maturity. Since SOFR’s first publication in April 2018, the daily average volume of trades underlying it is about USD 977 billion (see Exhibit 1). In comparison, the Fed estimates that on a typical day, there are a handful of transactions worth a few hundred million dollars at most that underpin total seven tenors of USD LIBOR in the term unsecured bank funding market (Held, 2019).¹ In fact, diminishing transactions underlying LIBOR is one of the main reasons that authorities are pushing the financial industry to transition away from LIBOR to more robust reference rates that are based on observable transactions rather than estimates.
2. SOFR is an overnight rate and USD LIBOR includes seven tenors of forward-looking term rates.
3. SOFR is nearly risk free as an overnight secured rate collateralized with U.S. Treasury bonds, while LIBOR is credit sensitive and embeds a bank credit risk premium.

Points 2 and 3 particularly make the transition from LIBOR to SOFR challenging.

One difficulty is that in the absence of SOFR-based term rates, SOFR compounded in arrears currently is the preferred replacement rate in many products. Calculated over the current interest period, it leaves little notice time before payment and poses significant operation disadvantages for some cash products (e.g., syndicated loans). A solution for this challenge would be to develop SOFR-based term rates, which are expected in the first half of 2021. However, the robustness of such rates would depend on the liquidity of relevant SOFR derivatives.

A second problem is that SOFR, without a bank credit premium, is not aligned with bank funding costs, and therefore opens up basis risk in banks’ asset liability management.

In many derivatives and some cash products, a compounded average SOFR is preferred to replace LIBOR, which naturally helps address the concern for the day-to-day volatility of SOFR. Exhibit 2 shows the comparison between three-month USD LIBOR and three-month compounded average SOFR since August 2014.² The spread between them averages 0.29%, ranging between -0.78% and 0.91%.

USD LIBOR is frequently used as a cash rate in an index that has a cash investment or requires funding. Exhibit 3 compares the cumulative returns of a cash investment using SOFR with overnight and three-month LIBOR. In annualized terms, a SOFR-based cash return was lower than those based on overnight and three-month LIBOR by 0.30% and 0.02%, respectively, over the past six and a half years.

SOFR is expected to replace LIBOR in a variety of financial products as benchmark reference rates. It is imperative to understand SOFR to identify the appropriate form of SOFR for LIBOR replacement and conduct impact analysis.

¹ Michael Held: SOFR and the transition from LIBOR

² The Federal Reserve Bank of New York publishes daily historical indicative SOFR from August 2014 to March 2018. Official SOFR data starts on April 2, 2018.