The Pi cycle interval from the June 2007 high (8.6 years) in USD/JPY suggested that we might get some fireworks around the BOJ meeting last night. This cyclical “heads up” certainly did not disappoint. As for what it means, going forward the price action over the next few days should prove pretty pivotal and have some important medium-term implications. Generally, into important turn windows like this I am looking for a move to materialize against the short-term trend within one to two days. In…