Trin is derived from adv,decl,adv vol, and decl vol.
So it cannot tell if some stocks are being accumulated at a price lower than previous day close. It will be classified as heavy selling if the volume is significant.
Or, the flip side, stocks being distributed at a price higher than previous day close. It would be classified as buying if the volume is heavy.
Thus, it is good for confirmation of a trend, but not for detecting "non-confirmation" of a trend, like today.
