I've seen this too. This is like, the legit wedge. All the others are just wanabes.
FWIW
| date | red line | green line |
| 5/8/2013 | 116.97 | 92.79 |
| 5/9/2013 | 113.63 | 94.93 |
| 5/10/2013 | 110.38 | 97.13 |
| 5/11/2013 | 107.22 | 99.38 |
| 5/12/2013 | 104.16 | 101.69 |
| 5/13/2013 | 101.18 | 104.04 |
So the intersection happens just as bank wires arrive at Gox for next Monday? Seems legit.