I use WMAs because they represent dynamic support/resistance. Yes, at the time of writing 89 WMA was @ $12880. But now it is @ 12912 and we have just bounced from it. However, if it doesn't hold we will test the lower low of the 22nd of December.

https://www.mql5.com/en/charts/8150989/btcusd-d1-simplefx-ltd