shldv was a "when issued" symbol dating back to 2014. it might have been for the warrants which carried a convertible option, but so far as i can see, it has absolutely nothing to do with shldq, the q coming off, or any current "when issued" stock of shc.
if you put shldv in your google machine you should be able to confirm that the hits for that search go back quite some time.
so, i believe it is just noise which does not apply to our situation
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