By how this part of the graphic looks like, I believe it is a whale or two trading a huge volume, or I can't explain how it changed so dramatically in a matter of minutes...
But I guess that you might be getting it right, it can be a time zone specific graphic, but only on volume, that does not mean that the price is influenced in any predictable way by it...
nope..I don't understand it.
that was just my swag (scientific wild ass guess)
I believe it is a whale or two trading a huge volume
rilly, rilly YUGE...$115 million Yuge.
I don't know for sure, it's just a random guess, maybe I am wrong :D