Formula & Calculation Mechanism
High ratios (>1.0) indicate heavy downside hedging and extreme retail/institutional pessimism; low ratios (<0.55) signal rampant bullish speculation.
Market Impact on US Equities & S&P 500
Extreme spikes above 1.05-1.15 frequently coincide with panic capitulation bottoms in the S&P 500.
Historical Precedents & Bull/Bear Regimes
Spiked to 1.46 in December 2022 immediately preceding the start of the 2023 mega-bull market.