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S&P 500 Index: Timing The Market With The Put-Call Ratio (INDEXSP:.INX, SPY)
ETF Daily News (blog) The put-call ratio essentially measures bullishness or bearishness based on option volume for stocks in the S&P 500 index (INDEXSP:.INX). Call buying is bullish; put buying is bearish. The ratio is quite simple in its utility: when put buying exceeds … |