Relative Strength vs. RSI — A Critical Distinction

Many candidates confuse Relative Strength (RS) with the Relative Strength Index (RSI). The CMT exam tests both:

This distinction is frequently tested on CMT Level 1 and Level 2. For the complete overview, see the CMT Exam Guide 2026.

Calculating Relative Strength

RS Ratio = Price of Asset A / Price of Benchmark

  • If the RS line is rising → Asset A is outperforming the benchmark
  • If the RS line is falling → Asset A is underperforming
  • Trendlines and moving averages can be applied to the RS line itself

Mansfield Relative Strength

The Mansfield RS normalizes the ratio by dividing by a moving average:

  • Above zero: Outperforming on a relative and MA-adjusted basis
  • Below zero: Underperforming
  • Transitions through zero are actionable signals

Relative Rotation Graphs (RRG)

RRGs visualize relative performance in four quadrants:

  1. Leading (top right): Strong and improving — overweight
  2. Weakening (bottom right): Strong but deteriorating — reduce
  3. Lagging (bottom left): Weak and deteriorating — underweight
  4. Improving (top left): Weak but improving — accumulate

This framework is closely tied to sector rotation and portfolio management.

Applications of Relative Strength

Stock Selection

  • Buy stocks with rising RS vs. their sector index
  • Avoid stocks with weakening RS even if price is rising
  • Use breakout signals on RS charts for confirmation

Sector Rotation

RS analysis drives sector rotation strategies:

  • Identify sectors rotating from lagging to improving
  • Intermarket analysis extends RS to asset classes (stocks vs. bonds, gold vs. USD)

Market Regime Detection

  • Compare growth vs. value, small cap vs. large cap
  • Risk-on vs. risk-off using equity/bond RS

Comparative RS Table

RS ApplicationLevel TestedIntegration
Stock vs. index RSLevel 1 & 2Chart patterns
Sector vs. marketLevel 2Intermarket
Relative Rotation GraphsLevel 2 & 3Portfolio mgmt
Mansfield RSLevel 2Moving averages
Asset class RSLevel 3Risk management

CMT Exam Strategies

  1. Never confuse RS with RSI on the exam — read questions carefully
  2. Know how to interpret an RS line chart (rising = outperforming)
  3. Understand RRG quadrant rotation for portfolio decisions
  4. Practice RS-based stock screening questions

Try RS-focused practice questions in our test bank. Full guide: CMT Exam 2026.

Relative Strength Ratio — Stock vs. S&P 500

Rising RS line = outperformance; falling = underperformance

Relative Rotation Graph — Sector Positioning

Quadrant scores: Leading, Weakening, Lagging, Improving (simulated)