Indicator Lab
Write custom indicators in a concise array formula language — price arrays H L O C V, overloaded operators and 37 built-in functions, computed by a Rust→WASM engine and rendered on TradingView lightweight-charts. Try H+L, MA(C,5) or a preset below.
Loading WASM engine…
Loading WASM indicator engine…
Built-in indicators (click to load)
Loading…
Formula editorCtrl+Enter to run
Syntax cheat sheet
H L O C V — high / low / open / close / volume arrays (one value per bar of the loaded period)
NAME:=expr; intermediate variable · NAME:expr; plotted output (can be referenced by later lines)
+ - * / arithmetic · > < >= <= = == <> != comparisons returning 0/1 · & && AND logical and · | || OR logical or
Plot hints: ,overlay on the price pane · ,stick histogram · ,color=#f0b90b
Comments: { } blocks and // lines; bars without enough history stay blank.