VIX volatility can be in broader range of 11-25 for long period of time. 2017-2020 saw such range bound movement. 2020 was one of event for ViX . However, 11-12 is the bottom of slope. VIX if falls to this level then caution should be taken in option selling and short term trading positions. ViX can remain in 11-16 for a longer period of time. So predicting top on the basis of VIX looks futile exercise.