• Thin, late Tokyo trading saw USD/JPY pop to 159.09 EBS before pulling back

• Market obviously wary of renewed Japanese FX intervention

• Two-way option gamma trades related to $5.7 bln 159.00 expiries today too

• Japan's MOF likely closely watching FX but hands tied on strong USD?

• Related comments , , also ,
USD/JPY hourly:

(Haruya Ida is a Reuters market analyst. The views expressed are his own)