If iv - $61,74 dated 11.11.2016-11-11 and v-III=etr - $80,47 dated 2018-05-17 => fib 61,8% - $68,89 fib 76,4%-$66,16 as the wave II (from 2016-08-18 till 2016-11-11) was an Irregular Flat, than the forming corrective wave VI 'd be any Zigzag, possibly, an expanding double triangle WY which Y might have one of above calculated fibs' pivots...
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ups... iv datad 2018-02-13 (instead a slip "11.11.2016-11-11")
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It seems that IV being an irregular flat abc - 335... with the early calculated pivots either fib 61,8% - $68,89 or fib 76,4%-$66,16… (The waves should be rethought)