This via the latest release from the Japanese Ministry of Finance:

At the same time though, the BOJ accounts look to be suggesting that Japan spent roughly ¥5.55 trillion on intervention on Monday. We’ll have to see how that figure matches up when the MOF releases the data next month. That provided there is no more need for authorities to step in until the last week of May.

This article was written by Justin Low at www.forexlive.com.