TD=year to date the year to date, the most recent year.

YTD (Year to day) refers to the situation from the beginning of the year to the current date corresponding to the natural month, and YTD TY (YTD this year) refers to the situation from the beginning of this year to this month.

For example: In reports with data as of September 2014, YTD TY refers to the total data from January to September 2014, which is equivalent to fiscal year performance for companies whose fiscal year begins in January.

MAT (Moving annual total) refers to the rolling annual total, and MAT TY (MAT this year) refers to the rolling annual total to date, that is, the sum of rolling forward 12 months.

For example: In a report with data as of September 2014, MAT TY refers to the total data for the 12 natural months from October 2013 to September 2014.

Year-on-year growth rate generally refers to the growth rate compared with the same period last year.

It mainly includes capital securities, currency securities and commodity securities.

Securities in a narrow sense mainly refer to securities products in the securities market, including equity market products such as stocks, debt market products such as bonds, and derivative market products such as stock futures, options, interest rate futures, etc.

The discipline system of securities science is an organic system composed of various branches of disciplines that study the behavioral characteristics and operating rules of the securities market from different angles. It mainly includes two major research fields: traditional securities theory and evolutionary securities theory.

The same period ratio of an indicator = (the value of an indicator this year - the value of this indicator in the same period last year) / the value of this indicator in the same period last year, that is: year-on-year growth rate = (the value of the indicator this year - the value of the same period last year) ÷

The value of the same period last year * 100% YTD TY (YTD this year) refers to the situation from the beginning of this year to this month; MAT TY (MAT this year) refers to the rolling annual total to date, that is, the sum of rolling forward 12 months.