Stock market indicators refer to indicators used to measure and evaluate the stock market. Sentiment indexes, for example, are stock market indicators that measure investors' sentiment. Market breadth indicators (Advance/decline line, Advance/decline ratio, Arms index, Up/Down Volume Spread, McClellan Summation Index) are also another type of stock market indicators.
Other stock market indicators include:
Options-based indicators like the put call ratio.
Volatility-based indicators like the VIX.
Capitalization-weighted indices like the S&P500 or the RUSSELL 2000.