Finance

Analysis: Swiss central bank stands by as equities boom drives the franc

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The Swiss National Bank (SNB) logo is pictured on its building in Bern, Switzerland June 17, 2021. REUTERS/Arnd Wiegmann/File Photo

ZURICH, Sept 20 (Reuters) - Stock market flows and overseas investment returns are emerging as major drivers for Switzerland's currency in a shift that may already have triggered changes in how the country's central bank responds to franc strength.

Historically, the Swiss National Bank (SNB) has intervened to prevent excessive franc appreciation, caused either by speculators testing the central bank's resolve or by panicky investors buying francs when markets sour.

But last month as the franc rose to a nine-month high against the euro of 1.0694 , there was no significant increase in banks' so-called "sight deposits", a usual sign of SNB activity.

Analysts said the franc's latest spurt reflects foreign investment flows into Swiss stocks rather than speculative bets, alongside a boom in overseas stocks the SNB itself holds.

What the SNB has to say about the franc will be the focus at its monetary policy meeting on Thursday, where it is not expected to change its -0.75% interest rate -- the world's lowest.

At its June monetary policy assessment, the SNB raised its inflation forecasts but kept its ultra loose policy to restrain the franc. The SNB described the franc as "highly valued" and said it remained ready to intervene in forex markets as necessary. read more

Analysts said a shift in the drivers of franc appreciation towards equity investment, particularly into Swiss heavyweights such as Nestle (NESN.S) and Roche (ROG.S), has boosted inflows. The analysts noted high demand for such defensive shares during times of uncertainty.

Switzerland's stock exchange does not release flows data but Swiss balance of payments numbers for the first quarter of 2021 point to portfolio investment inflows of $12.2 billion, just shy of a record $13 billion seen in early-2015, Refinitiv data shows.

Karsten Junius, an economist at J.Safra Sarasin, noted that in the six months to end-August, Swiss blue chips outperformed global equities (.MIWD00000PUS) by 6 percentage points.

Junius said Swiss multinationals had benefited from the business cycle shift as the world economy cooled from its early-2021 rebound and investors moved into defensive shares.

"The SNB is probably asking, do we want to fight this? Can they do anything against the moderating of the global business cycle?" Junius said.

"Speculative flows into the franc is something you can fight, but this is a fundamental change in the economic cycle," he added. "The SNB is having to accept this development, and has decided to stay on the sidelines."

The SNB declined to comment.

Evidence of SNB intervention shows up in so-called "sight deposits" - money that commercial banks park overnight with the SNB. These tend to increase when the central bank steps up its currency market purchases to dampen the franc.

But sight deposits have declined recently.

For example, total sight deposits were slightly down in the latest week ending Sept. 17 at 714.65 billion Swiss francs ($767.70 billion)) compared with a week earlier.

Banks' sight deposits rose by 3.75 billion francs in August, versus an increase of 10.99 billion francs in August last year, based on Refinitiv data.

SNB sight deposits
Equity

BALANCE SHEET

Another powerful driver of franc strength may come from the SNB's own holdings.

The SNB invests a significant amount of its foreign reserves in overseas equities and credit.

These holdings generated 43.5 billion francs in profits in the first half of 2021, versus almost 50 billion in 2019 and 21 billion last year, based on SNB data.

The SNB's top holdings include Apple, Microsoft, Amazon, Facebook and Alphabet, filings to the U.S. Securities and Exchange Commission showed. The combined market cap of these tech companies has grown by 34% over the past year, based on Refinitiv data.

Reuters Graphics

Hedge fund Eurizon SLJ Capital said that as booming stocks and hefty dividends boost the value of the SNB balance sheet, it becomes harder for the franc to weaken.

The franc therefore is no longer a pure "fiat" currency that derives its value from the central bank's credibility, but one backed by actual dividend-yielding foreign assets, Stephen Jen and Joana Freire, analysts at Eurizon SLJ, wrote.

"Risks to the franc may be skewed to the strong side, i.e., it will strengthen again in risk-off but may not weaken that much in risk-on," they said.

LEVELS

The Swiss economy, forecast to grow at an above-trend 3.2% this year and 3.4% in 2022, seems to be coping for now with the robust franc. read more

Junius believes the SNB would be happy with euro/franc at 1.070 or above, levels that will not threaten exports.

On an inflation-adjusted basis, the franc is 5% percent overvalued versus 30-year averages. In January 2015, before the SNB scrapped the "floor" it had set against the euro, it was 13% overvalued, according to J.Safra Sarasin estimates.

Gero Jung, an economist at Bank Mirabaud in Geneva, said the SNB would probably prefer a weaker franc yet has kept interventions at low levels.

"I don't think it's a concerted effort to significantly weaken the franc," he said.

($1 = 0.9309 Swiss francs)

Reporting by John Revill and Elizabeth Howcroft; additional reporting by Tommy Wilkes and Saikat Chatterjee; editing by Sujata Rao and Jane Merriman

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