So I by that indicator we are in a recession and we don't know that it's over yet; it's been falling.

所以我，通过那个指数，我们正处于经济衰退时期,并且我们不知道它是否结束；它一直在下降。

耶鲁公开课 - 金融市场课程节选

We hired computer programmers to basically take my ideas and historically plot them on a chart, and we developed this indicator over several years.

FORBES: Use the RCI to Gauge Market Strength

The markets on which a paused stock are listed would notify the other exchanges and market participants of the trading pause by immediately disseminating a special indicator over the consolidated tape.

FORBES: First Thing's First: Stock Circuit-Breakers In Place

On its website is a note suggesting that a 2% annualised fall in its indicator over a six-month period, with more than half of the components worsening, provides a reliable though not perfect warning of recession.

ECONOMIST: Leading economic indicators