SPDR S&P 500 ETF Trust (SPY) call put ratio 1 call to 1.3 puts into FOMC policy meeting
SPDR S&P 500 ETF Trust (NYSE: SPY) September call option implied volatility is at 19, October is at 15; compared to its 52-week range of 10 to 29. Call put ratio 1 call to 1.3 puts into FOMC policy meeting.