If they both sell off the main money flow could be to the Swissie (Swiss Franc - CHF).
A follower emailed me a valid point:
You forgot , sine qua non currency - GOLD. The last man standing.
(thanks Paddy, very remiss of me)
Update. After I downloaded and edited that chart she fell even more from the 1.1202 level above to 1.1026 (-2% is a fortune in FX!!) and bounced up to hit my very tightended stop (x6 short positions) @ 1.1049 which happened to be the S3 Pivot Point (I'll explain pivots some other time).