ISO 10962 is the CFI (Classification of Financial Instruments) code maintained by the International Organization for Standardization (ISO). It is an alphabetical code consisting of 6 letters. The first letter is the category, the second is the group, and the remaining letters show special attributes of the group. The letter X always means Not Applicable/Undefined. Here are some of the possible codes:

E = Equities

 S = Shares (common/ordinary) 1: Voting Right V = Voting N = Non-voting R = Restricted voting E = Enhanced voting 2: Ownership/transfer restrictions T = Restrictions U = Free 3: Payment status O = Nil paid P = Partly paid F = Fully paid 4: Form: B = Bearer R = Registered N = Bearer/Registered Z = Bearer depository receipt A = Registered depository receipt P = Preferred Shares C = Convertible preferred shares U = Units (units trusts/mutual funds) M = Others 

D = Debt Instruments

 B = Bonds C = Convertible Bonds M = Others T = Medium-term Notes W = Bonds With Warrants Attached Y = Money Market Instruments 

R = Entitlements (Rights)

 A = Allotment Rights M = Others (Miscellaneous) S = Subscription rights W = Warrants 

O = Options

 C = Call Options P = Put Options 

F = Futures

 C = Commodities Futures F = Financial Futures 

M = Others (Miscellaneous)

 M = Other Assets (Miscellaneous) R = Referential Instruments 

Example: ESNTPB is Equities/Shares/Non-voting/Restrictions/Partly paid/Bearer