# EU_15_111517128_S_Op_CF_SQ3

Trades EURUSD using Bollinger Bands width to enter long and short positions with stop and trailing stops.

Canonical: https://prismaticalgos.com/compendium/algo/550-eu-15-111517128-s-op-cf-sq3
Record ID: 550
Catalog rank: 2230 (reading order, not performance)
Snapshot: 2026-10-31 15:46 UTC
Family: Mean Reversion & Counter-Trend (B)
Source: https://www.mql5.com/en/market/product/119379
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: EURUSD
- timeframes: M15
- sessions: any
- market_regime: any

## Indicators

- Bollinger Bands: {"period": 195}; applied to: close
- ATR: {"period": 25}; applied to: close

## Recorded long-entry rules

- no recent trade and BB Width Ratio > 0

## Recorded short-entry rules

- no recent trade and BB Width Ratio < 0

## Recorded exit rules

- SL to break-even at 25 pips, trailing stop of 35 pips

## Recorded filters

- Not specified.

## Risk controls

- Stop loss: 3.1 * ATR(25)
- Take profit: Not specified
- Position sizing: fixed lot or free margin percentage