USD/JPY is sitting near ¥159 - ¥160, and it might look stable, but it’s actually a pretty loaded spot.

This week, both sides of the pair are in play. The BoJ goes first, then the Fed, with US rates still around 3.50%–3.75% while Japan remains much looser. That gap is what’s been driving the move higher in the first place.

At the same time, ¥160 matters. It’s a level where Japan has historically started to push back, not always with action, but with signals that can shift sentiment quickly.

So you’ve got a market being supported by rate differences, while also getting closer to a level that makes policymakers uncomfortable.

It’s the kind of setup where nothing dramatic needs to happen for volatility to pick up, because the reaction will likely come from how the market interprets what’s hinted next, not just what’s announced.