# Why's a penny stock basically a call option with a strike price of 0 that doesn't expire?

This Reddit comment proclaims:

A penny stock basically IS a call option with a strike price of zero that doesn't expire.

I suspect there's a high correlation between penny stock investors and people who buy deep OTM options hoping for a home run.

I understand the concept of a call option that doesn't expire, but I don't understand "strike price of zero". Though penny stocks can $$\rightarrow 0^+$$, they must $$\in (0, 1)$$. So why would the strike price be 0?