The election of Sinei Takechi is causing markets to anticipate a more activist fiscal agenda in Japan. This includes inflation relief and strategic investments. Paradoxically, this expectation of fiscal stimulus is simultaneously reducing pressure on the Bank of Japan for near-term interest rate hikes, creating a dual impact on the country's economic outlook.

Following a historic election victory, the winning prime minister becomes personally associated with the pro-growth policies driving the market. Consequently, the biggest risk to the current rally is not economic but political: an unexpected resignation could abruptly end the cycle, as seen historically in 2006 with Prime Minister Koizumi.

Contrary to market fears of undisciplined spending akin to 'Abenomics', Prime Minister Takaichi's initial policy platform suggests a focus on targeted income redistribution. Policies like a refundable credit tax system and cutting unnecessary subsidies indicate a fiscally neutral or even tighter stance, rather than net fiscal expansion.

Despite market fears of aggressive "Abenomics 2.0," economist Ayako Fujita argues that Sanai Takaichi's fiscal plans are limited by high inflation. Her proposed policies focus on income redistribution, like tax credits for low-income households, and will take 1-2 years to implement, suggesting a more moderate approach than expected.

The medium-term bearish outlook for the Yen remains, as a landslide victory for the ruling LDP is largely priced in, while a loss of their majority could paradoxically be more negative. An opposition win could lead to greater fiscal expansion and political uncertainty, potentially weakening the yen more severely in the long run.

The Nikkei's strength is not primarily driven by expectations of broad fiscal stimulus. Instead, equity investors are betting on the success of PM Takaichi's targeted policies to boost sentiment and spending among middle and lower-income households. This potential consumption recovery is a key upside catalyst that the market has not fully priced in yet.

Following the last three LDP supermajority victories (2005, 2012, 2014), Japanese markets saw an average 20% gain in the first three months. This initial surge is followed by a multiple expansion over the next nine months, driven by expectations of political stability and increased foreign investment.

While Japan's new LDP leadership creates uncertainty, the fragmented political landscape makes it nearly impossible to assemble a large-scale fiscal package, like a consumption tax cut, before year-end. This temporary paralysis actually lowers the immediate risk of fiscally irresponsible policies that investors fear.

The Takaichi government has a political incentive to support the Bank of Japan's monetary normalization. Allowing inflation and yen depreciation to continue unchecked could undermine consumer confidence and her high approval ratings. Therefore, a gradual BOJ rate hike could be seen as a politically astute move to maintain stability and popular support.