cjams on Nostr: What I don't understand is how a move to 0.25% is triggering the trade to unwind. Is ...

What I don't understand is how a move to 0.25% is triggering the trade to unwind. Is the carry trade based on the delta between US rates and Japanese rates? If so there is still a pretty big difference between the US and JPY rates so why now? I'm sure there is nuance I'm missing.