Here you have it, prices from SWFX liquidity pool. There was a spike alright. You can' beat algorithmic high frequency trading in such situations, burn the suckers with tight stops and then move up.
A piece of advice. Stay on sidelines before Kuroda releases Monetary Policy Statement. BOJ decision making is VERY unpredictable. Only 1 of 8 Bloomberg analysts predicted that BOJ could go in negative interest territory and yet it did.