Sarah Johannson, CFA, recently installed some investment software and is verifying the calculation of some of the statistics it produces. Her screen indicates a TRIN value of 1.02 for the NYSE and 1.80 for the Nasdaq market. These values seem to be unusually far apart to her, and she wonders whether they are both real-time statistics like the other market price data. To check whether they are real-time statistics, a few minutes later, she simultaneously captures the TRIN from her software display (slightly changed to 1.01 for the NYSE and 1.81 for Nasdaq) and on a separate monitor, she does a screen capture of NYSE and Nasdaq data, as follows:

How does Johann son recalculate and interpret the TRIN value for the NYSE and Nasdaq?

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NYSE Nasdaq Number of issues Advancing 850 937 Dedining 1,982 1,472 Volume Advancing 76,921,200 156,178,475 Dedining 185,461,042 441,970,884