$S&P 500(.SPX)$ $SPDR S&P 500 ETF Trust(SPY)$ $E-mini S&P 500 - main 2609(ESmain)$ This obscure sentiment indicator just sounded another topping signal. The chart shows the ratio of trading in leveraged long vs short US equity ETFs. It surges when people are disproportionately betting on upside, and collapses then greed gives way to fear and bearishness. As you can see in the chart below, spikes in the indicator have flagged several short-term peaks over the past couple decades. Meanwhile plunges have helped flag numerous market troughs. Like most market timing indicators it does slightly better at picking bottoms than tops (as you might expect dur