Australian dollar left bloody after computer-driven crash

© Reuters. Illustration photo of Australian dollars

By Wayne Cole

SYDNEY (Reuters) – The Australian dollar was picking up the pieces on Thursday after a torrent of automated selling against the yen sent it plunging to multi-year lows on a host of major currencies.

The suffered some of the largest intra-day falls in its history amid a drought of liquidity and a cascade of computerised sales.

At one point it was down 5 percent on the yen and almost 4 percent on the U.S. dollar, before clawing back much of the losses as trading calmed and humans took charge.

“Violent moves in AUD and JPY this morning bear all the hallmarks of a ‘flash crash’ similar to that which befell NZD in August 2015 and GBP in October 2016,” said Ray Attrill, head of FX strategy at National Australia Bank.

“The fact that over half the move down in both these pairs has since been retraced is testimony to today’s moves being first and foremost a liquidity event.”

One theory was that Japanese investors who had been crowded into trades borrowing yen to buy higher yielding currencies, were forced out en masse when major chart levels cracked.

The Aussie tumbled as far as 72.26 yen () on Reuters dealing, a level not seen since late 2011, having started around 75.21.

When the smoke cleared, buyers returned and it was last changing hands at 74.40 yen.

The selling spilled over into other crosses and the Aussie sank to as deep as $0.6715 , the lowest since March 2009, having started around $0.6984.

Again, bargain hunters emerged and it was last at $0.6922.

The New Zealand dollar also took an initial beating on the yen () to hit its lowest since late 2012, though whether any trades were done around those levels was hard to say.

The fared better on the U.S. dollar, easing to $0.6621 from $0.6654 late Wednesday.


The rout from risk was sparked in part by an earnings warning from Apple Inc (O:). It blamed sluggish iPhone sales in China, adding to evidence of a deepening economic slowdown in the Asian giant.

Some investors fled to the relative safety of Australia’s triple-A rated debt, sending 10-year bond yields () diving to their lowest since late 2016.

Futures for the 10-year bond jumped 12 ticks to 97.8300, having been up as much as 25 ticks at one stage. The three-year bond contract rose 7.5 ticks to 98.305, implying a yield of just 1.695 percent.

Concerns about global growth also led the futures market to price in slightly more chance of a cut in interest rates by the Reserve Bank of Australia (RBA).

Yet the Aussie’s decline is providing a boost to the economy that makes it less likely the RBA will have to take the drastic step of cutting rates from already record lows.

Not only does a lower currency make exports more competitive but it offers an extra earnings windfall given Australia’s commodities are priced in U.S. dollars.

Gold, for instance, is trading at its highest level ever in Australian dollar terms around A$1,856 per ounce () having climbed 12 percent in just the past month.

Profits from iron ore, coal and liquefied will all get a lift, fattening the country’s terms of trade and the government’s tax coffers.

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