# Support and Resistance Zones

Automatically identifies support and resistance zones based on swing lows and highs.

Canonical: https://prismaticalgos.com/compendium/algo/206-support-and-resistance-zones
Record ID: 206
Catalog rank: 1213 (reading order, not performance)
Snapshot: 2026-10-31 15:46 UTC
Family: Price Action & Market Structure (E)
Source: https://www.mql5.com/en/articles/20021
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

Opacity warnings: UNDEFINED ENTRY TERM: the entry conditions are prose naming a concept with no numeric definition, so two readers would implement them differently. Advisory only -- this does not affect the score.
Build warnings: DAILY_LOW_COUNT: daily-or-slower timeframe on a single instrument. Expect well under 100 trades in five years, so a backtest will rarely reach statistical significance on its own.

## Recorded profile

- symbols: _Symbol
- timeframes: W1
- sessions: any
- market_regime: any

## Indicators

No indicator stack recorded.

## 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