Key Momentum Shifts

  • Technology (XLK) remains firmly in the Leading quadrant and continues to be the strongest momentum sector.
  • Consumer Discretionary (XLY) remains in Leading but continues to move downward, signalling deteriorating relative momentum.
  • Communication Services (XLC) has entered the Improving quadrant, marking the first meaningful improvement in overall sector momentum breadth.
  • Energy (XLE) remains in Lagging despite gaining 1.76%, highlighting the divergence between daily performance and broader relative momentum.
  • Eight of the eleven sectors remain in Lagging, while no sectors are currently positioned in Weakening.
  • Leadership remains concentrated, with only Technology and Consumer Discretionary occupying the Leading quadrant.

The latest Relative Performance Visualization for 18 August 2026 shows a gradual improvement in US sector momentum breadth. Technology (XLK) and Consumer Discretionary (XLY) remain in the Leading quadrant, while Communication Services (XLC) has moved into Improving. The remaining eight sectors are still positioned in Lagging.

The shift in XLC is an important development because it represents the first sector to move into Improving, suggesting that relative momentum may be beginning to broaden beyond the established Leading group.

Momentum Breakdown by Sector

US Sector Relative Momentum Chart (at the closing price of 18/08/2026). Powered by: amibroker.com.

Technology

Information Technology (XLK) remains the strongest sector from a relative-momentum perspective, retaining a firm position in the Leading quadrant. However, the latest chart shows that its trajectory has started to turn downward after reaching a relatively elevated position.

Despite this developing weakness in its trajectory, Technology remains clearly positioned within Leading. Maintaining relative strength will be important to prevent a deeper deterioration in momentum.

Consumer Discretionary

Consumer Discretionary (XLY) also remains in the Leading quadrant but continues to move downward on the momentum chart. The sector declined 0.33% during the latest session, reinforcing signs that its relative momentum is weakening.

XLY's position remains important because it is one of only two sectors currently occupying Leading. A continued downward trajectory could eventually move the sector toward the centre of the chart and potentially out of Leading.

Communication Services

Communication Services (XLC) has entered the Improving quadrant, representing the most notable positive momentum shift in the latest chart.

The sector declined only 0.31% during the latest session, but its movement on the relative-performance chart indicates improving momentum relative to the broader market. This highlights the distinction between daily price performance and relative momentum.

A sustained upward trajectory would strengthen the case that XLC is transitioning from Lagging toward a more constructive momentum position.

Energy

Energy (XLE) remains in the Lagging quadrant despite gaining 1.76%, making it the strongest-performing sector on a daily basis.

This divergence is important for sector rotation analysis. The strong daily gain could represent the beginning of a recovery, but confirmation would require XLE to continue moving upward toward the centre of the chart and eventually enter Improving.

Health Care and Consumer Staples

Health Care (XLV) and Consumer Staples (XLP) remain in the Lagging quadrant despite gaining 1.60% and 1.06%, respectively.

Their positive daily performances demonstrate again that short-term price gains do not necessarily translate immediately into improving relative momentum. A sustained upward movement on the chart would be required before either sector can transition toward Improving.

Financials, Consumer Discretionary and Other Lagging Sectors

Financials (XLF) gained 0.45% but remains in Lagging, while Consumer Discretionary is the only other sector in Leading. Utilities (XLU), Real Estate (XLRE), Materials (XLB) and Industrials (XLI) also remain in Lagging.

Industrials and Materials recorded declines of 1.48% and 0.88%, respectively, reinforcing the weakness across several cyclical areas. Real Estate and Utilities remain relatively deep within the Lagging quadrant, indicating that their broader relative momentum has yet to recover.

Strategic Summary

Technology remains the primary momentum leader, while Consumer Discretionary is still Leading but showing signs of deterioration. The key development in the latest chart is Communication Services entering the Improving quadrant, marking an initial broadening of relative momentum.

Energy's strong 1.76% daily gain is another development to watch, although its continued position in Lagging indicates that broader relative momentum has not yet recovered.

With two sectors in Leading, one in Improving and eight in Lagging, US sector momentum remains concentrated but is showing early signs of improvement. A continued advance by XLC, followed by transitions from Lagging into Improving by Energy, Health Care or Financials, would provide stronger evidence of broadening market momentum. Conversely, further deterioration in XLK or XLY could weaken the already narrow Leading group.