FTB-C000380 / Indicator

Ichimoku Leading Span A

Ichimoku Leading Span A is the average of the conversion and base lines calculated at the current origin and displayed forward by the declared displacement.

Also known asSenkou Span A

Definitions

In plain terms

It forms one boundary of the Ichimoku cloud.

Technical

The data model must retain both calculation timestamp and plot timestamp so display displacement cannot become look-ahead information.

Scope

The line is not calculated from future bars despite its forward chart position.

Formula

Leading Span A origin = (Conversion Line + Base Line) / 2
LaTeX: SenkouA^{origin}_t=\frac{Tenkan_t+Kijun_t}{2}
SymbolMeaningUnit
Tenkanconversion line at calculation originprice
Kijunbase line at calculation originprice

Output unit: price

Examples

  • A governed lesson calculates or identifies Ichimoku Leading Span A only after its parameters, state, timing, and edge cases are declared.

Common misconceptions

  • The line is not calculated from future bars despite its forward chart position.

Concept relationships

Where this concept is used

Tutorials planned

These catalogued topics use this concept, but their complete build has not shipped yet.

  • D07-F02-A06 Important

Evidence and governance

  1. Ichimoku Cloud TradingView · official platform documentation

    Supports: preferred label, short definition, technical definition, formula

    Limits: Default periods and plotting offsets are conventions; calculation origin must remain separate from display coordinate.

Reviewed by
fintech-builder-batch-007
Last reviewed
2026-07-27
Next review
2027-07-27
Record status
published
Written by

Fintech engineer building market-data and financial systems, and the author of every article, glossary record, and reference implementation on The Fintech Builder.