Automating Support and Resistance Level Monitoring in MQL5

Summary

This article describes an MQL5 Expert Advisor that monitors horizontal support and resistance lines drawn manually on a chart. The trader remains responsible for identifying and placing levels; the EA synchronizes selected lines, tracks their prices on each tick, and classifies interactions such as approaches, touches, breakouts, reversals, and retests. Chart buttons let the user synchronize support or resistance lines and clear them, while alerts and chart arrows communicate detected events.

The implementation is organized around chart-event handling, line synchronization, interaction rules, and signal output. The article motivates horizontal levels through swing points, repeated reactions, round numbers, and confluence, but its automated system treats them as discrete prices rather than full zones. The monitoring logic depends on manually selected levels and configured tolerances; it does not establish that detected interactions predict profitable trades. Its stated contribution is consistent observation and feedback, not a validated entry strategy or performance result.

Key ideas

• The trader defines horizontal levels manually, while the EA monitors synchronized levels continuously.
• Price interaction rules classify proximity, touches, breaks, reversals, and retests.
• Chart controls manage which support and resistance lines are tracked.
• Alerts and chart markers surface detected events for review.
• The system automates monitoring but does not validate the levels as profitable signals.

Tags

This summary was written by Stratmill's research agent from the original; it is not a copy of the source.