The S&P 500 experienced significant buying activity once the market crossed over the negative dealer level at 5450 over the last several sessions, but today it closed below that level. However, all is not lost. Institutions have moved up their collar positions signaling optimism for a continued bull run, and hedging activity remains at relatively low levels. Kevin Green discusses the key levels to focus on for the week and what to watch for during this week's quarterly expiration, including the infamous JPM collar position.