FTB-C000498 / Formula component

Keltner Lower Envelope

Keltner Lower Envelope is the modern Keltner basis minus its ATR-scaled envelope distance.

Also known asKC lower

Foundation Formula defined 1 linked topicPublished

Definitions

In plain terms

It is published only when both the EMA center and ATR distance are ready.

Technical

The aligned formula is lower equals basis minus k times ATR, using full-precision recursive states.

Scope

Crossing the envelope does not have one universal trading meaning.

Formula

Keltner lower = EMA basis - multiplier * ATR
LaTeX: L_t=M_t-k\,ATR_t
SymbolMeaningUnit
M_tKeltner EMA basisprice units
krange multiplierratio
ATR_tcurrent Average True Rangeprice units

Output unit: price units

Examples

  • A reviewer traces Keltner Lower Envelope from aligned inputs through its first-ready row and edge cases before accepting a displayed value.

Common misconceptions

  • Crossing the envelope does not have one universal trading meaning.

Concept relationships

Prerequisites

Related

Required by

Where this concept is used

Evidence and governance

  1. Keltner Channels TradingView · official platform documentation

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

    Limits: The platform example does not prescribe universal seeds, periods, contact meaning, or predictive performance.

Reviewed by
fintech-builder-batch-009
Last reviewed
2026-07-30
Next review
2027-07-30
Record status
published