Understanding SARON: From Calculation to Future Outlook

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SARON, or the Dutch Overnight Index Average, is a key interest rate benchmark in the European financial market. It's used to determine overnight interest rates for banks and other financial institutions.

SARON is calculated by the Dutch National Bank, which takes into account the average overnight interest rates of a large pool of Dutch banks. This ensures that SARON accurately reflects the market's perception of overnight interest rates.

The calculation process is complex, involving a weighted average of the overnight interest rates of participating banks. This ensures that SARON is a reliable and unbiased indicator of the market's interest rate expectations.

If this caught your attention, see: Swiss Private Banks

What is SARON?

SARON is an overnight reference rate based on data from the Swiss Franc repo market.

It replaced the former Repo Overnight Index (SNB).

SARON is a key component of the Swiss Reference Rates, which provide an alternative to the Swiss Franc Libor.

The Swiss Reference Rates comprise a total of 32 benchmark rates that cover a term spectrum, ranging from overnight (ON) to 12 months (12M), plus two distinct indices for the ON term.

These calculations are based on CHF repo transactions concluded in the interbank market, as well as on indicative quotes posted on the SIX Repo AG trading platform.

Repo transactions have become a key pillar of the money markets, allowing market participants to better manage their short-term refinancing needs.

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Calculation and Publication

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SARON is based on concluded transactions and trade quotes posted on the SIX Repo trading platform.

The quote filter is parameterized to limit the possibilities for manipulation.

In real time, SARON is continually calculated and published every 10 minutes.

A fixing is conducted three times a day at 12pm, 4pm, and 6pm.

The 6pm fixing serves as a reference reading for derivative financial products and the valuation of financial assets.

Importance and Use

SARON plays a crucial role in the Swiss financial system as a key reference rate for various financial instruments and contracts.

It provides a reliable benchmark for determining interest rates on loans, mortgages, derivatives, and other financial products.

SARON is widely used by banks, financial institutions, corporations, and individuals to price and manage interest rate risk.

Financial contracts for loans, savings deposits, and mortgages all refer to reference interest rates, which also provide an essential baseline on the derivatives market or for structured products.

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SARON is used in a wide range of financial markets and products, including floating-rate loans, adjustable-rate mortgages, and interest rate swaps.

The rate is often referenced in debt issuance, risk management, and investment decisions.

To determine the interest rate for a specific period, SIX offers the reference interest rate "SARON Compound", which is calculated from the average of daily compounded SARON interest rates, to which an agreed margin is added.

Interest Rates

Reference interest rates are important for the economy, providing a baseline for financial contracts and the derivatives market.

The London Interbank Offered Rate, or LIBOR, was the standard until 2022, even in Switzerland.

The SARON interest rate is used for UBS key4 mortgages, calculated from the average of daily compounded SARON interest rates, with an agreed margin added.

This means that the interest payment amount is determined at the end of the interest period, rather than at the beginning, which helps avoid daily interest payments.

Difference between LIBOR?

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LIBOR, or the London Interbank Offered Rate, is a benchmark interest rate that's used to set interest rates for loans and other financial instruments. It's based on the average rate at which banks lend to each other in the London market.

The LIBOR rate is calculated daily for 5 different currencies, including the US dollar, euro, and pound. This is why you'll see LIBOR rates quoted in different currencies, depending on the market.

One key difference between LIBOR and other interest rates is that it's not set by a central bank, but rather by a group of banks in the London market. This makes it a more market-driven rate, rather than a rate set by a government or central authority.

LIBOR rates can be fixed or floating, with fixed rates staying the same over a set period of time and floating rates adjusting based on market conditions. This means that borrowers who take out loans with fixed LIBOR rates will know exactly how much they'll pay over the life of the loan.

The LIBOR scandal in 2012 highlighted some of the problems with the rate, including allegations of manipulation by banks. This led to a major overhaul of the rate-setting process and increased regulation of the financial industry.

Explore further: Libor Interbank Rate

Actual vs Estimated Interest Rates

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Actual interest rates can be influenced by various factors, including inflation and economic growth.

In the US, for example, the Federal Reserve's target rate of 2% in 2020 was actually 1.8% due to lower-than-expected inflation.

The difference between estimated and actual interest rates can have significant effects on businesses and individuals.

A 1% difference in interest rates can result in a 10% difference in the cost of borrowing for a business.

In contrast, a 1% difference in interest rates can result in a $1,000 difference in mortgage payments for a homeowner over the course of a year.

How is UBS Key4 mortgage interest calculated?

The interest on a UBS key4 mortgage is calculated using the SARON Compound reference interest rate, which is the average of daily compounded SARON interest rates.

This rate is then added to an agreed margin to determine the actual interest rate for the relevant period.

The interest period for UBS key4 mortgages can be three months to avoid daily interest payments.

At the end of the interest period, the interest payment amount is determined, rather than at the beginning.

Where and How

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You can find SARON being used in various financial instruments, from derivatives to fixed income products. Let's take a closer look at where and how SARON is being used.

Interest Rate Swaps are a key area where SARON is being utilized, with one party paying a fixed rate while the other pays a variable rate based on the SARON.

Futures contracts that use SARON as the base rate allow market participants to hedge against future interest rate changes or speculate on them.

Clearing houses like SIX or LCH in London use SARON as the reference interest rate to reduce counterparty risk and increase market stability.

If you're considering a mortgage, you might find SARON mortgages offering variable interest rates that are adjusted regularly, which can be particularly advantageous for borrowers in periods of low interest rates.

ETFs based on SARON offer institutional and private investors an instrument for accessing the money market in Swiss francs, improving liquidity and diversification.

Related reading: Overnight Market

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Floating rate bonds based on SARON are variable-interest bonds where the interest rate is regularly adjusted according to the SARON, which can be advantageous for investors when money market interest rates are rising.

Capital protection products, such as those combining a derivative on a share with a bond whose interest rate is based on the SARON, offer investors a way to safeguard their initial investment amount upon maturity.

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Future and Outlook

The future of SARON is looking bright, with its establishment as the preferred benchmark rate in the Swiss financial market.

SARON is gaining momentum as the go-to rate, with market participants actively adopting SARON-based contracts and instruments. This shift is a significant development, as it shows SARON's growing influence in the financial industry.

As SARON continues to evolve and mature, its importance and influence are expected to grow further. This is an exciting time for SARON, and it will be interesting to see how it continues to shape the financial landscape.

The transition from LIBOR to SARON is a key aspect of SARON's growth, and it's clear that market participants are embracing this change.

Alfred Blanda

Senior Writer

Alfred Blanda has carved out a niche for himself in the realm of banking information, offering readers clear, concise, and comprehensive insights into the financial sector. His articles are known for their depth and clarity, making complex financial concepts accessible to a wide audience. With a keen eye for detail and a passion for educating, Blanda continues to be a trusted voice in financial journalism.

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