Sierra Chart is a proprietary

Proprietary software

Proprietary software is computer software licensed under exclusive legal right of the copyright holder. The licensee is given the right to use the software under certain conditions, while restricted from other uses, such as modification, further distribution, or reverse engineering.Complementary...

 computer program

Computer program

A computer program is a sequence of instructions written to perform a specified task with a computer. A computer requires programs to function, typically executing the program's instructions in a central processor. The program has an executable form that the computer can use directly to execute...

 used for charting and technical analysis

Technical analysis

In finance, technical analysis is security analysis discipline for forecasting the direction of prices through the study of past market data, primarily price and volume. Behavioral economics and quantitative analysis incorporate technical analysis, which being an aspect of active management stands...

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Advanced Custom Study Interface and Language

Sierra Chart has an advanced and easy to use custom study interface and language (based on C++

C++

C++ is a statically typed, free-form, multi-paradigm, compiled, general-purpose programming language. It is regarded as an intermediate-level language, as it comprises a combination of both high-level and low-level language features. It was developed by Bjarne Stroustrup starting in 1979 at Bell...

), which allows you to create your own custom studies and trading systems, as well as do various other things with Sierra Chart with almost unlimited possibilities. Advanced Custom Study functions have access to all of the main price graph and study data displayed in a chart or other charts, tick data, time and sales data (which includes Bid and Ask data), Depth of Market Data and various functions and variables in our interface.