Documentation

Cuprel documentation

The full guide lives in the MillionChart wiki, next to the chart that runs the scripts, in English and in Persian. This page lists it. To begin, use Learn.

Start

• Write your first script and the sample programs on this site.
• Write your own scripts: the front page of the scripting guide (Persian).
• Already write scripts elsewhere? How Cuprel differs from what you may know (Persian).

The course

Lessons in order, from a first script to the Strategy Lab. Each also exists in Persian.

1. Your first script
2. Settings people can change
3. Lines, colours and levels
4. Signals, arrows and zones
5. Values that remember
6. Your own functions
7. Lists and maps
8. Labels, lines and boxes
9. Sessions and a small table
10. Other timeframes and symbols
11. Alerts that say something
12. Modules you reuse
13. Finding mistakes with the log
14. Your first strategy
15. Testing in the Strategy Lab
16. Results that look too good
17. Staying inside the limits
18. Reading the editor’s messages

Sample programs

All sample programs (Persian), by kind: moving averages and trend, channels and levels, oscillators, candle patterns, sessions, patterns and volume, statistics and tools, strategies. The engine's example set by topic is there too.

Reference

• Functions and values by group (Persian) and the function index.
• Cheat sheet, glossary and FAQ (cheat sheet, glossary, FAQ in Persian).
• Diagnostics and engine messages: what each message means and how to fix it (Persian). This site also has an error index.
• Limits and budgets and determinism.
• What is not available yet (Persian). Script alerts on your own scripts are not switched on for members in this release.

Groups of the reference: core · bar · tech · math · stats · color · chart · chart-point · mark · label · line · box · polyline · table · text · log · array · map · matrix · clock · session · period · tf · symbol · data · alert · orders · position · side · sizing · risk · trades · trades-open · trades-closed

The language

• Syntax and layout
• Values
• let, mut and state
• Types
• Inputs
• Choices and loops
• Functions, types and enums
• na, errors and arithmetic
• Lazy operators
• Calls that keep a state
• Text
• Units and literals
• Ids

On the chart

• The editor
• Plots and drawings
• Tables
• Trading day and sessions
• Other timeframes
• Modules and libraries
• Strategies

Members can test a strategy in the chart's Strategy Lab. On the free chart plan it has 10 runs a month on up to 92 days of history.

The editor is in the chart at millionchart.com/chart. You need to be signed in.