According to The Kobeissi Letter, the Japanese yen fell to its weakest level against the US dollar since January 15 while Japanese government bond yields surged to record highs (source: The Kobeissi Letter, X post on Nov 19, 2025). The Kobeissi Letter added that stimulus will not fix Japan's economic problems and characterized the move as a collapse, flagging USD/JPY and Japanese rates as key areas for traders to monitor for momentum and volatility (source: The Kobeissi Letter, X post on Nov 19, 2025).