Time for an intervention

Who was the big buyer in USD/JPY

Who was the big buyer in USD/JPY
The spike higher in USD/JPY is awfully suspicious. Japanese officials my be trying to defend the August low.
USDJPY
The move could also be related to the open of US stock markets and some kind of follow through from that. The buying hit right at 9:30 am ET.
The S&P 500 is down 2%.