(1) Active Buy/Sell Long/Short Ratio - Reflects short-term trader sentiment, useful for short-term trading analysis.

(2) Account Long/Short Ratio - Reflects the proportion of long and short positions among retail and institutional traders. A higher number of long accounts suggests retail investors are bullish, while a lower number of short accounts suggests institutions are bearish.

(3) Large Account Long/Short Ratio - Reflects the proportion of long and short positions held by professional traders, serving as a reference for retail traders.

(4) Large Account Position Long/Short Ratio - Reflects changes in large traders' positions, helping to observe their opening and closing positions.