In this domain it is quite a bit of headroom. Normal companies just avoid the problem by splitting before they get even within two orders of magnitude.
So if this next-closest share price got closer to the limit, it would almost certainly split long before it became within one order of magnitude of the limit.
Normally issuers would just split the stock. When investors' systems break because your quote is 100x anyone else's you're just making everyone's job harder.
So if this next-closest share price got closer to the limit, it would almost certainly split long before it became within one order of magnitude of the limit.
BH is just a different duck that way.