On the OTC. So, by definition, ZNOG is an unlisted stock: https://www.investopedia.com/terms/u/unlistedsecurity.asp#:~:text=Key%20Takeaways-,An%20unlisted%20security%20is%20a%20financial%20instrument%20that%20is%20not,market%20mostly%20by%20market%20makers.