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On the brink of a currency crisis: Japan on high alert over speculative "attack" threatening yen and markets

On the brink of a currency crisis: Japan on high alert over speculative
Retail investors fuel volatility amid Iran war

Market conditions have become increasingly treacherous in recent days, with Japan's top currency diplomat, Atsushi Mimura, revealing that the government stands ready to take all necessary measures to combat foreign exchange volatility. He simultaneously warned that speculative activity in oil futures may be bleeding into currency valuations. "There are assessments that speculative activity in the crude oil futures market is transferring into the foreign exchange market," Mimura stated, as the yen approached the 160 level against the dollar. "The government is fully prepared to react at any time and on all fronts, taking into account the impact that exchange rate fluctuations have on citizens' lives and the economy," he emphasized. Mimura's remarks highlight the dilemma facing policymakers as the conflict in the Middle East upends oil prices and triggers turbulence across global financial markets.

Sharp fluctuations

Meanwhile, sharp fluctuations in oil prices, fueled by the news flow surrounding the war in Iran, are attracting more and more retail investors to the world's most traded commodity, further amplifying volatility. In recent weeks, private investors have funneled record amounts into Exchange-Traded Funds (ETFs) linked to oil, as prices record violent swings amid the Middle East conflict and fears of prolonged disruptions to crude flows through the Strait of Hormuz. This surge in activity has led some analysts to draw parallels with previous retail "frenzies" in stocks like GameStop or commodities like silver, suggesting the oil market may now be exposed to "meme-style" trading. "Oil is now clearly a retail ‘meme theme.’ Retail investors have flocked to key oil-only ETFs since the start of the conflict with Iran," said Viraj Patel, global macro strategist at Vanda Research.

Increased flows

According to data from Vanda Research, net purchases of oil ETFs by private investors reached a historic high of $211 million on March 12, surpassing the previous record set during the market turmoil of May 2020. The popular United States Oil Fund (USO) recorded inflows of $42 million on March 6, while last Thursday it marked its third-best day ever with inflows of $32 million. The rise in retail participation comes at a time when geopolitical tensions dominate oil markets, while at the same time, access to these markets has become easier, lowering barriers for individuals. Retail investors can gain exposure through ETFs like the USO or the United States Brent Oil Fund (BNO), while smaller futures contracts have also made direct trading more accessible.

Disruptions in oil flows

Markets are closely monitoring the possibility of further supply disruptions, particularly as navigation through the Strait of Hormuz—a critical chokepoint for global energy flow—has essentially been halted. This uncertainty has led to unusually high oil price volatility, attracting speculative interest from investors seeking to profit from rapid fluctuations, according to market observers.

GameStop, silver, and now oil?

Tom Sosnoff, CEO of financial technology platform Lossdog, noted that commodities are now the new field of speculation for retail traders. "Physical commodities like crude oil have evolved into the new speculative meme plays of 2026. First it was silver and gold, and now it is oil," he stated. "Markets love ‘noise’ and volatility. The retail perception is that where there is the most activity, there is the greatest opportunity." A "meme trade" is defined as an asset that becomes popular among online retail investors, causing massive inflows and sharp price swings that do not always reflect underlying fundamentals.

Reddit virals

Users on Reddit are discussing buying oil ETFs to capitalize on the rally due to the conflict with Iran, with some boasting of quick profits and others wondering if there is still room for growth—in a scene reminiscent of previous "meme stock" episodes. However, several experts point out that oil differs from the stocks that fueled previous frenzies. Saul Kavonic, energy analyst at MST Marquee, stated that the parallel with meme stocks mainly reflects increased volatility rather than retail investors dictating the market direction. "Given the potential for sudden escalations and de-escalations, as well as the shifting rhetoric of the involved parties, oil will continue to trade with more unstable and sharp fluctuations during the war," he noted, adding that the crude oil volatility index has reached its highest level since 2020. Other analysts emphasize that the influx of retail investors reflects a simple bet on potential supply disruptions.

The retail perspective

Andy Lipow, president of Lipow Oil Associates, mentioned that many investors are reacting to images of geopolitical tension and the prospect of shortages. "Retail investors are watching developments and see an oil supply disruption unfolding with no clear end. This gives them the opportunity to secure profits, pricing in further price hikes," he said. However, unlike a "meme stock," oil supply disruptions are real and based on actual production halts, with the IEA estimating them at approximately 10 million barrels per day. At the same time, analysts warn that the same volatility attracting retail investors can quickly turn against them. "Retail investors must remember that oil trading is like a game of musical chairs. When the music stops, the situation will not be pleasant at all," warned Sosnoff.

Speculation

Some institutional analysts note that the behavior of crude oil is increasingly beginning to resemble that of speculative assets during periods of intense geopolitical tension. Strategists at Macquarie estimate that the current environment—with war risks, supply uncertainty, and state interventions—may keep price volatility at elevated levels. "Strategic reserves are not a permanent solution, and oil will continue to behave like a ‘meme stock’ until there is a resolution, namely peace," said the bank’s financial markets economist, Thierry Wizman.

www.bankingnews.gr

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