Institutional traders are showing increased optimism for the S&P 500, pushing short call positions up to the 5,700 level, surpassing the 5,650 resistance and supporting a bullish outlook. However, hedge activity is on the rise as traders use lower volatility to protect against potential market reactions to upcoming BLS payroll adjustments, Fed minutes, and the Jackson Hole symposium. Kevin Green discusses critical technical signals to monitor that could indicate an approaching pullback.