On a given trading day, 1,200 stocks advanced and 700 stocks declined. The volume of advancing stocks was 530 million while the volume of declining stocks was 280 million. What is the ARMS (a.k.a. TRIN) index value for the day?

Question

Quizplus · Accepted Answer

The ARMS (TRIN) index is calculated as (Advancing Stocks / Declining Stocks) / (Volume of Advancing Stocks / Volume of Declining Stocks) = (1200 / 700) / (530 million / 280 million) = 1.71 / 1.89 = 0.91.

On a Given Trading Day, 1,200 Stocks Advanced and 700