How long a technical indicators support?

[siva-reddy]

Simple answer is it works till it doesn’t.
There is no guarantee it has to work till particular time or anything etc.
Can check this by nithin on technical analysis.

Does Technical Analysis work?

Hmm… this debate has been on for many many years now. I think you will find enough content online which is for & against technical analysis. Firstly there is nothing in the stock markets that just “works”. If there was any guaranteed way to profit, it will be traded on until there isn’t any. So when you look at charts, and see some indicators or drawings and if it seems like, “Damn, this works”, it is because of hindsight & selection bias. It is when you feel after an event…