Volume index day trading
Nearly 78 years have passed since Paul L. Dysart, Jr. invented the Negative Volume Index and Dysart also developed the 25-day Plurality Index, the 25- day total of the absolute difference between the issues and the number of declining issues, and was a pioneer in using several types of volume of trading studies. That is, volume can help inform future price movement. The PVI increases on days when volume has increased from the previous trading day. The premise behind