2. The new bond code of Shanghai Stock Exchange starts with 1 1XXXX, and the new bond code of Shenzhen Stock Exchange starts with12xxxxx. If you don't know how to distinguish, you can open the positive shares of this new debt to check the stock attributes, and the new debt attributes are consistent with the positive shares.
Second debt, fifth debt and tenth debt refer to 2-year treasury bond futures, 5-year treasury bond futures and 10-year treasury bond futures respectively. Treasury bond futures are futures with treasury bonds as the delivery target, which belong to a category of financial futures and are listed futures varieties of China Financial Futures Exchange.