Insights 
VT 
Japanese Government Bond yields are on the rise, with the 20-year yield climbing above 2.685%, marking its peak since 1999. The 30-year yield has also risen, currently standing at 3.28%.
This trend is mirrored globally as yields are increasing worldwide. Fixed interest lenders are seeking higher returns for long-term loans to governments. The rising yields have led to stock market volatility, although market participants have continued their activity.
Opportunities In Rising JGB Yields
The sharp rise in JGB yields, particularly the 20-year hitting a level we have not seen since 1999, presents a clear opportunity. We should consider maintaining short positions on JGB futures, as signals from the Bank of Japan’s August 2025 meeting suggest this trend has further to go. The market is finally pricing in the end of an era of ultra-low rates that defined the Japanese economy for decades.
With the Nikkei Volatility Index now hovering near 28, a significant jump from the low 20s earlier this year, options premiums have become expensive. This suggests we should look at selling covered calls on existing long stock positions to harvest this high premium. The fact that buyers are stepping in on market dips indicates the market is not in a full panic, making premium-selling strategies attractive for now.
The currency market, specifically the yen against the dollar, requires a careful approach. While higher JGB yields are supportive of the yen, the simultaneous rise in U.S. Treasury yields to around 5.1% is limiting the yen’s strength. Looking back at the extreme yen weakness of 2022-2024, the current narrowing of the yield differential suggests buying yen call options could become profitable if JGB yields continue to outpace the rise in U.S. yields.
Global Bond Market Shifts
This environment feels very similar to the global bond market shifts we saw back in 2022 when central banks began aggressively fighting inflation. The key takeaway is that government bond yields are now a primary driver of risk across all asset classes. We must use index puts as a portfolio hedge, as the persistent buying in stocks might not last if bond yields continue their aggressive climb.
