Stock Abbreviations and Acronyms

1. OPMI
   Outside Passive Minority Investor
2. OPRA
   Options Price Reporting Authority
3. ORCT
   Organización De Reuniones Científicas Y TecnolóGicas
4. ORD
   Ordinary Share
5. ORFG
   Open Research Funders Group
6. ORI
   Old Republic International
7. OSE
   Osaka Securities Exchange
8. OSTPA
   Ohioustate Tractor Pullers Association
9. OSX
   Osaka Securities Exchange
10. OTC
    Over The Counter (medications not requiring a prescription)
11. OTCBB
    Over-The-Oounter Bulletin Board
12. OTCBB
    Over-The-Counter-Bulletin Board
13. OTCBB
    Over-the-Counter Bulletin Board
14. OTR
    Office of Thrift Supervision
15. OTS
    Office of Thrift Supervision
16. OTS
    Opzions Trading System
17. OVAS
    Onio Valley Astronomical Society
18. OWC
    Owens Corning
19. OWVI
    One Wprld Ventures Inc
20. OZ T
    Troy Ounce

Last updated: May 6, 2025 — Total entries: 2,390