FTB-C000398 / Formula component

Supertrend Basic Lower Band

Supertrend Basic Lower Band is the bar high-low midpoint minus the declared ATR multiplier times ATR.

Also known asbasic lower band

Definitions

In plain terms

It is the unconstrained lower candidate before recursive final-band ratcheting.

Technical

The calculation requires aligned finalized high, low, ATR, multiplier, timestamp, price basis, and readiness.

Scope

It is not always the active or published Supertrend line.

Formula

Basic Lower = HL2 - multiplier*ATR
LaTeX: BL_t=HL2_t-m\,ATR_t
SymbolMeaningUnit
HL2_tcurrent bar high-low midpointprice
mATR multiplierratio
ATR_tcurrent Average True Rangeprice

Output unit: price

Examples

  • A governed lesson calculates or identifies Supertrend Basic Lower Band only after its parameters, state, timing, and edge cases are declared.

Common misconceptions

  • It is not always the active or published Supertrend line.

Concept relationships

Where this concept is used

Evidence and governance

  1. Supertrend TradingView · official platform documentation

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

    Limits: ATR smoothing, initialization, equality rules, and sign conventions can vary by platform.

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

This record is evidence-reviewed and readable, but not yet promoted to published — it is served noindex,follow and excluded from the sitemap.