For the 24 hours to 23:00 GMT, USD strengthened 0.53% against the JPY and closed at 81.24 as investors took comfort in stabilizing nuclear reactor situation in Japan and as the after-effects of the G7 intervention continued to be felt.
In the Asian session at 4:00GMT, the pair is trading lower from the New York close, by 0.37%, at 80.94.
The first short term resistance is at 81.24, followed by 81.54. The pair is expected to find support at 80.73 and the subsequent support level at 80.52.
Trading trends in the pair today are expected to be determined by release of data on All Industry Activity Index in Japan.
The currency pair is showing convergence with its 20 Hr and 50 Hr moving averages.