Microsoft was never on the OTC BB. One way to prove this to look at otcbb.com where it says that the OTC BB started in 1990.
On the other hand, thanks to Prophet Information Services, I can show you the weekly trading on MSFT, adjusted for splits, going back to 1987. Here's part of that :
----------------------------- MICROSOFT CORP Prices Available: 01/02/87 through 08/14/98
Ticker: MSFT Date Volume High/Ask Low/Bid Close -------- ---------- ---------- ---------- ---------- 01/02/87 3,158,400 11/16 11/16 11/16 01/09/87 68,612,800 13/16 11/16 13/16 01/16/87 114,143,200 7/8 13/16 7/8 01/23/87 181,418,400 1 1/16 13/16 15/16 01/30/87 122,572,800 1 15/16 1 02/06/87 56,507,200 1 1/16 15/16 15/16 -----------------------------
Paul M. |