NRUNO Trading Automation Wiki · Question 85

Fixed trailing vs step trailing vs R-based trailing: what is the difference?

Risk, Position Sizing & Trade ManagementLast reviewed: 25 Aug 2026
Short answer

Fixed trailing follows by a constant distance; step trailing moves after discrete advances; R-based trailing derives triggers/moves from initial trade risk. They respond differently to volatility and noise.

What this means in practice

Fixed trailing follows by a constant distance; step trailing moves after discrete advances; R-based trailing derives triggers/moves from initial trade risk. They respond differently to volatility and noise. This page is specifically about “Fixed trailing vs step trailing vs R-based trailing: what is the difference?”, so each scenario below is explained by its own mechanism instead of sharing one generic diagnosis.

Real-world scenarios

Scenario A — Fixed distance

Express the trailing rule in symbol-aware units and as a one-way state machine. Activation, update step and broker minimum distance must be clear, and the stop must never loosen. For Scenario A — Fixed distance on question 85, use that evidence specifically to answer “Fixed trailing vs step trailing vs R-based trailing: what is the difference?”; keep it separate from the evidence for the other scenarios on this page.

Scenario B — Step trail

Express the trailing rule in symbol-aware units and as a one-way state machine. Activation, update step and broker minimum distance must be clear, and the stop must never loosen. For Scenario B — Step trail on question 85, use that evidence specifically to answer “Fixed trailing vs step trailing vs R-based trailing: what is the difference?”; keep it separate from the evidence for the other scenarios on this page.

Scenario C — R-based trail

Express the trailing rule in symbol-aware units and as a one-way state machine. Activation, update step and broker minimum distance must be clear, and the stop must never loosen. For Scenario C — R-based trail on question 85, use that evidence specifically to answer “Fixed trailing vs step trailing vs R-based trailing: what is the difference?”; keep it separate from the evidence for the other scenarios on this page.

What to check

  • symbol metadata and unit conversion
  • configured risk or management rule
  • broker min/max/step or distance constraint
  • normalized value actually sent to cTrader

Practical rule

For “Fixed trailing vs step trailing vs R-based trailing: what is the difference?”, change only the first layer whose evidence no longer matches the intended action. Preserve signal identity, timestamps and final cTrader state, and reproduce execution-affecting changes on demo before live use.

Decision summary

Direct answer: Fixed trailing follows by a constant distance; step trailing moves after discrete advances; R-based trailing derives triggers/moves from initial trade risk. They respond differently to volatility and noise.

Next action: Match the observed evidence to one scenario above, test that mechanism independently on demo and keep the result traceable with one signal ID.

Primary sources

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