# Steven Primo Bollinger Band

Enters long when price crosses above Bollinger Band upper limit and consecutive closes are high, exits at target or stop loss; enters short when price crosses below Bollinger Band lower limit and consecutive closes are low, exits at target or stop loss.

Canonical: https://prismaticalgos.com/compendium/algo/12513-steven-primo-bollinger-band
Record ID: 12513
Catalog rank: 1644 (reading order, not performance)
Snapshot: 2026-10-31 15:46 UTC
Family: Mean Reversion & Counter-Trend (B)
Source: https://www.mql5.com/en/forum/487415
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: any

## Indicators

- Bollinger Bands: {"deviations": 0.382, "period": 20}; applied to: close

## Recorded long-entry rules

- close >= upper Bollinger Band
- consecutive closes >= 5

## Recorded short-entry rules

- close <= lower Bollinger Band
- consecutive closes >= 5

## Recorded exit rules

- exit long at target or stop loss
- exit short at target or stop loss

## Recorded filters

- Not specified.

## Risk controls

- Stop loss: stop loss placed at entry price
- Take profit: target placed at extension of entry price
- Position sizing: 100% of equity