Since your Question has different choices of answers why not make this thread as POLL so can just choose one even there's no need to Post.
Anyway.
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If I'm not mistaken by 2038, we could have reach 99% of all bitcoin mine. So that alone will speak how the price will move after that. Because the rest of the 1% will be mine up to 2140.
almost 20 years from now, far long waiting .
So definitely, 6 - 7 digits around that time is not far fetch as bitcoin will be really scarce and everyone will be fighting to get at least a satoshi. Moon by 2038 and beyond or even much earlier.
this is exactly why we need to took care even our single satoshi because days will come that this very tiny Figure now will be a Bread for the table of whole family.