A depositary refers to a person or entity that holds, keeps, or stores something valuable or important on behalf of someone else. It can be a bank where people deposit their money or a storage facility where items are kept safe for others.
ZCH tracks the BNY Mellon China Select ADR Index hedged to Canadian dollars, which is an index of American depositary receipts of China - based companies. (canadiancapitalist.com)
These transactions include IPOs, private placements and offerings under SEC Rule 144A, offshore offerings under SEC Regulation S and the establishment of American Depositary Receipt programs. (sheppardmullin.com)
Chiefalo explains the market makers may use American Depositary Receipts as proxies (ADRs trade in New York and represent the shares of overseas companies.) (moneysense.ca)