The short-term internal momentum of the market often turns prior to the price changing trend. This momentum indicator should be used with the strength of the longer term trend in mind. Each of these ratios should be viewed as a part of one whole indicator. The 5-day advance/decline value should be confirmed by the 3-day up/down volume value. The 12-day advance/decline value should be read in conjunction with the 5-day up/down volume value. The market may be over-extended when any one of these ratios are overbought or oversold, but it is most significant when the ratios confirm one another and change their trend in an over-extended area. Historically, when three or four of the ratios reached an extreme and all turned within a two week time span, the market's trend changed. In a strong trending market it is common to see the 3-day advance/decline value become overbought and reverse while the price continues its trend. This pattern is more significant when the 12-day advance/decline value and the volume ratios subsequently become extended and reverse in warning levels. The indication is even stronger if both the NYSE and NASDAQ have the same internal momentum patterns developing.