Week Ending: 11 September 2026

United States US Basic Materials Industry

Copper

For the week ending 11 September 2026, Copper declined 1.65% with 1 advancing, 3 declining, and 0 unchanged constituents. The index is equal weighted and the constituent tape shows uncapped security returns.

Current architecture Upward Expansion

The activity fan is positively ordered above a rising Trend Line with price accepted above it.

74 technical evidence
Index5553.14 1 week-1.65% Breadth25% Members4
Country 🇺🇸 United States · US
Sector Basic Materials
Universe NASDAQ, NYSE
Price basis Adjusted weekly close

Trend architecture

Index, activity fan and structural anchors

Rolling 156-week evidence. Trend Signal points mark weeks when price, trend and the activity fan confirmed together.

Index Value Trend Line Fair Value Activity Lines Constructive architecture Transitional architecture Defensive architecture
Current architecture Upward Expansion 4 completed weeks in this state
Trend acceptance 11.7% Index versus Trend Line
Persistence 100% Positive across every horizon
Participation 25% 1 advancing, 3 declining

Investor positioning lens

Is the evidence ready for capital?

A rules-based technical classification using trend, breadth, persistence, relative strength and path quality.

Current posture Positioning window open

Trend, participation and relative evidence are sufficiently aligned for selective exposure.

74 technical evidence
out of 100
Evidence balance

Five-pillar map

Position
Trend
87
Breadth
35
Persistence
100
Relative
88
Risk quality
63
What supports the view
  • The index remains above a constructive Trend gate.
  • Constituent trends show positive multi-horizon persistence.
  • Relative performance is improving within its parent hierarchy.
What restrains conviction
  • Breadth remains too narrow or inconsistent for a high-conviction position.
  • The index is extended well above current Fair Value, increasing chase risk.
  • Positive contribution is concentrated in a small leadership cohort.

This is a weekly research classification, not personal investment advice. Sentiment is reported as an independent confirmation layer and does not alter the technical score.

Trend state and durability

Architecture, persistence and constituent regimes

The index path is tested against the underlying security-level trend evidence.

Index architecture Upward Expansion

The activity fan is positively ordered above a rising Trend Line with price accepted above it.

State age4 weeks
Trend gateUp
Fan width11.36%
Fast versus slow change5.66 pts
Above 67% Below 0%
Six completed weeks of price acceptance relative to the full Activity Line fan.
Index persistence

Positive across every horizon

100% agreement

The 13, 26, 39 and 52-week trends all point upward, giving the advance broad horizon agreement.

13-week
5.4%
26-week
27.1%
39-week
45.3%
52-week
93.1%
Regime age58 weeks 52-week flips0 52-week boundary2875.13
Constituent trend persistence

Is the index move broadly durable?

100% coverage
Coherent positive75%
Coherent negative0%
Average horizon agreement94%
Positive horizon share94%
Weakening positives1
Repairing negatives0

4 constituents measured as of 11 Sep 2026. Median trend age is 52 weeks.

Custom stage map

Where constituents sit in the cycle

100% coverage
Stage 1 · Basing0%0 securities
Stage 2 · Advancing100%4 securities
Stage 3 · Distribution0%0 securities
Stage 4 · Declining0%0 securities
Re-acceleration watch0 Transition watch0 Relative strength leaders25% Fair Value repairs0

Measured as of 11 Sep 2026. Stages summarize price, Activity Line architecture, Fair Value position and relative evidence.

Architecture breadth

How market energy is distributed

83/100 mean confidence
Upward expansion
100% 4
Rotation up
0% 0
Deceleration
0% 0
Balance
0% 0
Rotation down
0% 0
Downward expansion
0% 0
Unresolved
0% 0

Architecture breadth shows the distribution of expanding, rotating, balancing and contracting securities. It is diagnostic context and is not added as a second vote in the positioning score.

Capital rotation

Performance relative to Basic Materials

Improving
Relative index 13-week relative trend Starting level
Rotation dashboard Improving

A rising relative line means this group is compounding faster than Basic Materials. A falling line means capital has done better in the parent benchmark.

Relative index219.4
13-week trend203.9
4-week trend change5.69%
Weekly peer rank4 of 13
1 week
1.8 pts relative
4 weeks
6.4 pts relative
13 weeks
10.4 pts relative
26 weeks
27.2 pts relative
52 weeks
78.3 pts relative

Market internals

Participation, dispersion and path risk

Equal-weight index evidence with constituent-level breadth and dispersion.

Breadth

Participation quality

Narrow
Advancing
1
Declining
3
Unchanged
0
4-week average 31%
13-week average 44%
Risk and persistence

Path quality

52-week lens
Annualised weekly volatility50.3%
Drawdown from 52-week high-9.8%
Positive weeks, last 1338%
Current directional run3 weeks
Turnover versus 13-week norm81%
Breadth impulse-20.8 pts
Cross-section

Return distribution

4 measured
Q1 -2.8% Median -2.5% Q3 -1.3%
Average winner1.6%
Average loser-2.7%
Dispersion1.9 pts
Top-five upside share100%
Top-five capital share100%
Capital data coverage100%

Dispersion describes how far constituent outcomes are spreading apart. Capital concentration is contextual only; the index itself is equal weighted.

Momentum cycle

30-week persistence

Positive readings show expansion. Negative readings show contraction.

Breadth cycle

Net participation

Advancers less decliners as a percentage of measured constituents.

News and narrative

Does company news confirm the market tape?

Open Sentiment Intelligence
Qualified weighted tone
55out of 100

Mixed

Positive and negative company-news scores are balancing each other.

Evidence quality

Coverage before conviction

44/100 confidence
Qualified companies375% of measured constituents
Articles233100% direct company evidence
Publishers56Independent sources represented
Latest evidence18 SepFreshness is weighted in the score
Constructive 0%Balanced 100%Cautious 0%
Price confirms news0
Price disagrees0
Negative news absorbed0
Positive but stretched0

Only fresh, quality-controlled company evidence is included. Industry and sector context is down-weighted and cannot create a directional group conclusion on its own.

Leadership tape

Leaders, laggards and contribution shape

Latest completed week, ranked on uncapped constituent returns.

Constituent ledger

Industry constituents

All 4 measured constituents, ranked by latest weekly return.

Rank Ticker Company Exchange Market cap Close Index contribution Return
1 ERO Ero Copper Corp NYSE 4.02B 35.47 0.41 pts
1.63%
2 FCX Freeport-McMoran Copper & Gold Inc NYSE 110.79B 71.07 -0.57 pts
-2.28%
3 SCCO Southern Copper Corporation NYSE 176.10B 193.49 -0.66 pts
-2.65%
4 HBM Hudbay Minerals Inc. NYSE 12.88B 26.52 -0.82 pts
-3.29%

The index uses capped equal-weight weekly constituent returns. The ledger shows uncapped security returns so outliers remain visible for research.

Evidence context