The Fear and Greed Index is leaning far into the “Extreme Fear” measure. However, if you know anything about such measures of investor angst, you may ask, "Which Fear and Greed Index?" There is one trusted Wall Street measure of uncertainty — the VIX, a volatility tracker from the Chicago Board Options Exchange — and there are other gauges that measure investor sentiment toward cryptocurrencies and gold. If you want a sentiment barometer for your portfolio, the investment will determine which Fear and Gr ...