WLD, don't misunderstand me. I agree with the need to recalibrate the TRIN for the bear. Dick Arms' repeated calls for a bottom based on this indicator is testimony to that.
But a closing TRIN that high (the highest on my chart) should be enough to put in a short-term low, I didn't know how significant a low it would be at the time and still don't. I am not looking for these lows to hold long-term or even intermediate-term. That TRIN came at a time when it coincided with the end of a wave count which I was tracking so I lifted my shorts and took a walk on the long side. But I agree with your idea that just because we get a TRIN over 3, it doesn't automatically mean we have a low in.
And as for decimalization, I've never really understood the math behind the concern for the TRIN. Isn't the premise here that decimalization creates fewer unchanged stocks? Does this really matter that much? On balance they'll find their way into advances or declines and in he long run they'll balance out. I prefer your idea that the bear has made high TRIN readings nothing more than a potential signal.