I disagree - I think SPY will be up big on a yes vote (at the open) and then slowly pullback, and will be down big on a no vote (and probably won't recover).
Place your bets
I called Thursday as the blow off top - we will be down every week into August. This week we finish at 207.20
Whenever there are rumors of a Greek deal, the market pops. I think we have gained much more on fake Greek deals then if there actually was a deal. At the end of the day, Greece is broke and will eventually go broke unless it drops out of the Euro.
I think for this market to break below 2000, we actually need a Greek deal so we don't have to worry about a pop due to a Greek deal.
Recently every large down day has been counteracted by a similar up day on the next trading day. Lets see if this pattern continues tomorrow - might be driving the AH uptick.