# Double Enevlopes (Historical Gauged)

Volatility breakout strategy using two envelopes to identify entry and exit points.

Canonical: https://prismaticalgos.com/compendium/algo/7373-double-enevlopes-historical-gauged
Record ID: 7373
Catalog rank: 131 (reading order, not performance)
Snapshot: 2026-10-31 15:46 UTC
Family: Trend Following & Directional (A)
Source: https://www.mql5.com/en/code/74860
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: Not specified
- timeframes: Not specified
- sessions: Not specified
- market_regime: volatile

## Indicators

- Envelopes: {"null": null}; applied to: close

## Recorded long-entry rules

- Candle closes above the upper band of the inner envelope, with the previous candle inside or below it.

## Recorded short-entry rules

- Candle closes below the lower band of the inner envelope.

## Recorded exit rules

- Price tags the outer band of the outer envelope.

## Recorded filters

- Not specified.

## Risk controls

- Stop loss: Opposite band of the inner envelope from the previous candle.
- Take profit: Outer band of the outer envelope.
- Position sizing: null