How to get early signal that market will be in ranging

we know that in trending situation trend indicators should be followed & in ranging phase oscillators should be followed

But can anyone help me please

How can we come to that in near days to come market will go in ranging phase

Is there any indicator, chart pattern available which can tell us that in
near future market will be in ranging

All Sr. & traderji are requested to comment

Thanking you

This is the REAL difficult part - knowing (for certain) before it happens or starts happening.
As far as my observations go predicting RANGING is even more difficult than predicting Reversal.
Some guys believe it can be done through Elliott Wave.

Personally though i don't believe there is any system that can tell you something like 'Markets will start ranging from tomorrow'.

Regards,
Kalyan.