What is the Swiss Average Rate Overnight (SARON)?

SARON is Switzerland's overnight reference rate, based on actual transactions and binding quotes in the Swiss franc repo market and administered by SIX. It replaced CHF LIBOR at the end of 2021 and is the floating leg of the CHF swap rates shown above.

What is the current SARON swap rate?

The table above shows current CHF SARON swap rates for each tenor, updated daily. Live intraday rates for every tenor are available in the BlueGamma app.

CHF Swap Rates Today: Current & Historic SARON Swaps

Current annual SARON swap rates – daily updates on CHF interest rate swaps, with 1 week, 1 month and 1 year history.

Last update: July 17, 2026, 16:00 (London)

SARON swap rates by tenor: latest, one week ago, one month ago and one year ago.
Tenor	3 days ago17 Jul 2026	1 week ago09 Jul 2026	1 month ago16 Jun 2026	1 year ago16 Jul 2025
1M	-0.05%	-0.05%	-0.05%	-0.06%
3M	-0.05%	-0.04%	-0.05%	-0.07%
6M	-0.01%	-0.02%	-0.04%	-0.10%
1 Year	0.08%	0.03%	0.01%	-0.13%
2 Year	0.21%	0.13%	0.10%	-0.09%
3 Year	0.30%	0.21%	0.18%	0.01%
4 Year	0.36%	0.29%	0.25%	0.11%
5 Year	0.42%	0.35%	0.31%	0.20%
7 Year	0.53%	0.47%	0.43%	0.36%
8 Year	0.58%	0.53%	0.49%	0.44%
10 Year	0.68%	0.63%	0.60%	0.58%
15 Year	0.86%	0.82%	0.79%	0.79%
20 Year	0.93%	0.89%	0.88%	0.87%
30 Year	0.92%	0.89%	0.88%	0.87%

Rates built from interdealer broker and exchange quotes. Read how we build these rates.

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SARON forward curve

Live SARON rates in Excel & API

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// Excel: live SARON swap rate in a cell
=BlueGamma.SWAP_RATE("SARON", start_date, maturity_date, "1Y")

# API: the same rate, one GET away
GET api.bluegamma.io/v1/swap_rate
    ?index=SARON&start_date=2D&maturity_date=5Y
x-api-key: your_api_key