24 members · detractors first · 1Y · residual 4733.2bp exceeds 60bp gate
The XLB fell 45.03% (−40.48 pts) over the past year, but 17 of 24 members went the other way. IP and LIN dragged the tape lower, accounting for 7% of the decline.
NEWMONT CORP and LYONDELLBASELL INDU CL A moved almost identically (+34.29% vs +30.32%), yet NEM moved the XLB 6.1× as much. In a cap-weighted index, the bigger company's weight turns the same percentage move into far more points.
Attribution map
slicing the −40.48 pt move · cell size = points contributed · color = direction, intensity = return
STLD+1.9 pts(+64.0%)
NUE+1.9 pts(+83.3%)
FCX+1.8 pts(+73.4%)
IP−1.1 pts(−28.5%)
LIN−1.0 pts(+4.5%)
NEM−0.8 pts(+34.3%)
MOS−0.8 pts(−44.6%)
IFF+0.8 pts(+40.4%)
MLM−0.7 pts(−24.5%)
PPG+0.6 pts(+4.3%)
VMC−0.4 pts
DOW+0.4 pts(+30.5%)
ALB+0.4 pts(+11.4%)
SHW+0.3 pts(−4.7%)
CRH
BALL+0.2 pts
SW−0.2 pts
AMCR+0.2 pts
APD+0.2 pts
CF−0.1 pts
LYB
Concentration curve
cumulative share of the −40.48 pt move · sorted by contribution
When they drove it
cumulative points through the period
Breadth
member returns, this period
−50%−25%0%+25%+50%+75%
From −44.65% (MOS) to +83.29% (NUE). Equal-weight, the XLB would be +13.70% vs the actual −45.03%; the gap is what cap weighting did.
By sector
point contribution · sums to −40.48 pts
-24
+3.2
The year, session by session
every trading day of 2026 · hover for the move
JANFEBMARAPRMAYJUNJULAUGSEPOCT
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Materials · Select Sector
What moved the market
1Y · OCT 9, 2026
−45.03%
−40.5 pts · closed 49.42
17 of 24 rose · 7 fell
STLD+64.0%
+1.9
NUE+83.3%
+1.9
FCX+73.4%
+1.8
IFF+40.4%
+0.8
PPG+4.3%
+0.6
MLM−24.5%
−0.7
MOS−44.6%
−0.8
NEM+34.3%
−0.8
LIN+4.5%
−1.0
IP−28.5%
−1.1
IP sank a split tape · 17 of 24 went the other wayWMTMT.COM
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