- Offering price
- Official Market (Amtlicher Markt)
- Offsetting transaction
- Omega (warrants)
- Open Market (Freiverkehr)
- Open outcry
- Opening price
- Opération blanche
- Operational profit
- Option
- Option premium
- Option premium
- Option writer
- Order
- Order book
- Order book statistics
- Order routing
- Ordinary share
- OTC (over-the-counter) trading
- Other types of certificates
- Out of the money (warrants)
- Outperformance certificate
- Overweight
Official Market (Amtlicher Markt)
Former market segment for securitiesOn November 1, 2007, the Official Market was converted into the Regulated Market. The previous subdivision of the Official and Regulated Markets no longer exists. The admission and follow-up requirements for the Regulated Market are now those previously valid for the Official Market. Securities that were entered before November 1, 2007, are now listed only on the Regulated Market.