Japan is considering intervening in the currency market due to a weak yen, which has hit a 10-month low following proposals to increase government spending. A $135 billion stimulus package has been approved, with warnings of intervention if the situation worsens. Analysts predict potential yen buying around 158-162 per dollar.

Previous interventions have been successful in lifting the yen, but this time may be more challenging due to fewer bets against the yen and no clear policy shifts. Concerns arise that intervention may not be as effective, potentially leading to further selling of the yen. The exchange rate is near a 38-year low at 156.7 per dollar.

Traders anticipate an escalation in authorities’ warnings and possible checks before actual intervention. There is no set level for intervention, but traders remember last year’s range of 157 to 162 yen. Failure to intervene as the yen approaches 160 could lead to aggressive selling, potentially pushing the yen to 165.

Investors are closely watching Takaichi and Katayama, who took office recently. A selling streak in government bonds and weakening yen indicate concerns about heavy borrowing. Options markets show light positioning and limited demand for yen protection. Stability in bond markets was seen on Friday, but downward pressure on the yen remains.

The weak yen has persisted due to large interest rate gaps with the U.S. and slow interest rate increases by the Bank of Japan. Last year, the BOJ raised rates to 0.25% alongside government intervention. A potential rate hike by the BOJ in December or January is hoped to stabilize the currency. Analysts believe it’s time for action to address the currency volatility.

Read more at Yahoo Finance: Analysis-Yen intervention looms large, but it may not work