The stock code record of1015 does not exist, which means that the stocks bought at that time have been delisted from the main board market and are not traded in Shenzhen and Shanghai. Generally, delisting stocks will be listed and traded in the third board market. It's best to go to the securities company where you open an account and let the securities company check your account.

Securities account refers to the account book set up by the securities registration and settlement institution for investors to accurately record the types, names, quantities, corresponding rights and changes of securities held by investors. It is an important document to identify the identity of shareholders, has the legal effect of proving the identity of shareholders, and is also a prerequisite for investors to conduct securities transactions.

Shanghai Stock Exchange Code:

Securities listed on the Shanghai Stock Exchange are compiled with 6 digits according to the Securities Coding Implementation Plan of the Shanghai Stock Exchange. The first 3 digits are different securities, as shown in the following table:

001××××× spot treasury bonds;

201××××× national debt repurchase;

110×××120××× corporate bonds;

129×××100×××××× convertible bonds;

310 ××××× treasury bond futures;

500 ×××××× 550 ×××××× Fund.

Refer to the above content: Baidu Encyclopedia-Securities Code