Depends on where you bet it and what holds they are figuring it at. At -110 it is supposed to pay 642-1. But you won't find odds anywherenear that high at most places.
Edit**Actually I am mistaken, some places will pay more than that ...Plaza is 899-1 I think on their cards for 10/10.
yea jasin...i cant imagine booking a dime parlay that pays out over a million dollars...i mean, your reputation is on the line there - no way in hell would i pay that