# Trend Envelopes

Trend-following indicator that uses exponential moving averages of highs and lows to define a dynamic trailing stop and trend regime.

Canonical: https://prismaticalgos.com/compendium/algo/1260-trend-envelopes
Record ID: 1260
Catalog rank: 173 (reading order, not performance)
Snapshot: 2026-10-31 15:46 UTC
Family: Trade & Execution Management (K)
Source: https://www.prorealcode.com/prorealtime-indicators/trend-envelopes/
Evidence label (unverified): source_code

## Scope and limitations

These are machine-extracted research records, not verified trading systems. Catalog rank measures specification detail and claimed evidence, not profitability. The catalog extraction pipeline did not independently backtest these records. Its separate selected testing ledger does not validate the wider corpus. Rules, labels and parameters can be incomplete or wrong; consult the original source and its reuse terms.

No endorsement, ownership claim or source-code reuse permission is implied.

## Extraction warnings

No automated warnings recorded; this is not validation.

## Recorded profile

- symbols: any
- timeframes: any
- sessions: any
- market_regime: trending

## Indicators

- smax: {"period": 21, "type": 1}; applied to: high
- smin: {"period": 21, "type": 1}; applied to: low

## Recorded long-entry rules

- Not specified.

## Recorded short-entry rules

- Not specified.

## Recorded exit rules

- Not specified.

## Recorded filters

- Not specified.

## Risk controls

- Stop loss: Not specified
- Take profit: Not specified
- Position sizing: Not specified