According to The Kobeissi Letter, Japanese 40-year government bond yields have surged in a straight line to a record 3.77% after news that Japan is considering a $110 billion stimulus package, creating another macro headwind for markets (source: The Kobeissi Letter). For traders, this alert implies monitoring risk sentiment and cross-asset volatility, including potential spillovers to BTC and ETH as yields rise and financial conditions tighten (source: The Kobeissi Letter).