Dollar index fell ~0.1% in Asian trade as markets await BOJ rate decision and Fed meeting.
BOJ expected to hold policy at 0.75% on Tuesday, possibly signaling hawkish outlook amid sticky inflation from Iran conflict.
Fed likely to keep rates unchanged later week; potential chair transition to Kevin Warsh after DOJ dropped probe into Jerome Powell.
Asian currencies mostly firmed; AUD up 0.3%, yen below 160, yuan near 3‑year high, INR above 94 as risk appetite improves.