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Observatory · observe first

Commodity Chemicals

Commodity Chemicals is losing market weight. Lost weight for 10 consecutive months.

Historical time machine
Historical observation
20182026
Losing steadilyConcentrated

Most of this industry's losses came from a few companies.

Universe weight
0.04%
$0.02T
12-month change
-0.03 pp
6-month change
-0.02 pp
3-month change
-0.02 pp
Company participation
0%
above their 6M weight average

Where did the weight change come from?

12-month contribution in universe percentage points · contributions add to the industry change

Company attribution
Dow Inc. →-0.030 pp
All other companies+0.000 pp
Industry total-0.030 pp

The three largest same-direction contributors explain 100% of gross losses. Opposing contributions can make an individual company’s change larger than the industry’s net change.

How has it moved through history?

Share of matched S&P 500 members

Jul 2020 – Jun 2025 · market weight (%)

0.00.10.220212022202320242025

Relative performance

Industry return versus ACWI · no future data shown

448512720212022202320242025

Is participation broad or concentrated?

Actual constituent counts at this date, not the legacy synthetic breadth proxy

Above their 3M universe-weight average0%
Above their 6M universe-weight average0%
Above their 12M universe-weight average0%
Top 5 share of current industry market cap100.0%

This is size concentration, not contribution to the 12-month change. The attribution above measures the latter.

Evidence can disagree

Independent dimensions · no combined score or bullish/bearish verdict

Allocation · 12M-0.03 pp
Relative strength · 12M-53.9%
Price index return · 12M-46.4%
Earnings revisions · unavailable0.0
Allocation lost weight while relative performance fell. Fewer than half of constituents are above their 6M weight average. These observations need not agree.
Other evidence and availability

Valuation data: unavailable; shown as zero placeholder.

Attention data: unavailable; shown as zero placeholder.

Actual fund flows: unavailable. No ETF, mutual-fund or institutional flow feed is connected.

Volume / turnover: unavailable in this dataset.

Follow the contribution to individual companies

Sorted by absolute 12-month weight contribution, not investment merit

CompanySub-industryCountryUniverse weight12M contribution12M price returnRevisions
Dow Inc. →
DOW
Commodity ChemicalsUnited States0.040%-0.030 pp-46.4%0.0
Underlying monthly industry observations
MonthWeight1M change3M change6M change12M changeRelative return · 12M
Jun 20250.040%-0.004 pp-0.018 pp-0.023 pp-0.030 pp-53.9%
May 20250.044%-0.007 pp-0.016 pp-0.024 pp-0.033 pp-54.3%
Apr 20250.052%-0.006 pp-0.009 pp-0.029 pp-0.064 pp-49.1%
Mar 20250.058%-0.002 pp-0.005 pp-0.031 pp-0.054 pp-40.5%
Feb 20250.060%-0.001 pp-0.008 pp-0.031 pp-0.052 pp-37.2%
Jan 20250.061%-0.003 pp-0.020 pp-0.008 pp-0.051 pp-36.4%
Dec 20240.064%-0.005 pp-0.025 pp-0.006 pp-0.051 pp-34.3%
Nov 20240.068%-0.013 pp-0.022 pp-0.009 pp-0.045 pp-28.7%
Oct 20240.081%-0.008 pp+0.013 pp-0.035 pp-0.034 pp-18.7%
Sep 20240.089%-0.002 pp+0.019 pp-0.024 pp-0.032 pp-15.3%
Aug 20240.091%+0.022 pp+0.013 pp-0.022 pp-0.032 pp-16.2%
Jul 20240.068%-0.001 pp-0.047 pp-0.043 pp-0.018 pp-13.2%
Jun 20240.070%-0.008 pp-0.043 pp-0.045 pp-0.017 pp-12.1%
May 20240.077%-0.038 pp-0.035 pp-0.036 pp-0.008 pp+0.6%
Apr 20240.116%+0.003 pp+0.004 pp+0.001 pp-0.014 pp-5.7%
Mar 20240.113%+0.000 pp-0.002 pp-0.008 pp-0.019 pp-9.6%
Feb 20240.112%+0.001 pp-0.001 pp-0.010 pp-0.029 pp-16.5%
Jan 20240.112%-0.003 pp-0.003 pp+0.025 pp-0.031 pp-16.5%
Dec 20230.115%+0.002 pp-0.006 pp+0.028 pp-0.013 pp-6.2%
Nov 20230.113%-0.002 pp-0.009 pp+0.028 pp-0.009 pp-3.8%
Oct 20230.115%-0.006 pp+0.029 pp-0.015 pp-0.001 pp-1.5%
Sep 20230.121%-0.001 pp+0.034 pp-0.011 pp-0.003 pp+2.4%
Aug 20230.122%+0.036 pp+0.037 pp-0.019 pp-0.009 pp-1.4%
Jul 20230.087%-0.001 pp-0.043 pp-0.056 pp-0.045 pp-0.6%
Jun 20230.087%+0.002 pp-0.045 pp-0.041 pp-0.059 pp-6.5%
May 20230.085%-0.045 pp-0.057 pp-0.037 pp-0.093 pp-25.2%
Apr 20230.130%-0.002 pp-0.013 pp+0.013 pp-0.045 pp-16.3%
Mar 20230.132%-0.010 pp+0.004 pp+0.008 pp-0.026 pp-2.7%
Feb 20230.142%-0.001 pp+0.020 pp+0.011 pp-0.009 pp+11.2%
Jan 20230.143%+0.015 pp+0.026 pp+0.012 pp-0.006 pp+13.6%
Dec 20220.128%+0.006 pp+0.004 pp-0.018 pp-0.006 pp+14.4%
Nov 20220.122%+0.005 pp-0.009 pp-0.057 pp-0.016 pp+9.7%
Oct 20220.117%-0.007 pp-0.015 pp-0.058 pp-0.022 pp+9.3%
Sep 20220.124%-0.007 pp-0.022 pp-0.034 pp-0.027 pp+0.8%
Aug 20220.131%-0.000 pp-0.047 pp-0.019 pp-0.026 pp+1.3%
Jul 20220.131%-0.015 pp-0.044 pp-0.017 pp-0.028 pp-0.1%
Jun 20220.146%-0.032 pp-0.012 pp+0.012 pp-0.021 pp+0.9%
May 20220.178%+0.003 pp+0.028 pp+0.041 pp-0.005 pp+11.6%
Apr 20220.175%+0.017 pp+0.026 pp+0.037 pp+0.006 pp+18.3%
Mar 20220.158%+0.007 pp+0.023 pp+0.007 pp+0.065 pp-2.3%
Feb 20220.150%+0.002 pp+0.013 pp-0.006 pp+0.062 pp-3.4%
Jan 20220.149%+0.014 pp+0.010 pp-0.010 pp+0.056 pp+5.9%
Dec 20210.134%-0.003 pp-0.016 pp-0.032 pp-0.032 pp-10.0%
Nov 20210.137%-0.001 pp-0.020 pp-0.046 pp-0.030 pp-9.4%
Oct 20210.138%-0.012 pp-0.021 pp-0.031 pp-0.021 pp-6.0%
Sep 20210.151%-0.006 pp-0.016 pp+0.058 pp+0.151 pp+0.8%
Aug 20210.157%-0.002 pp-0.026 pp+0.069 pp+0.157 pp+13.3%
Jul 20210.159%-0.008 pp-0.010 pp+0.067 pp+0.159 pp+19.1%
Jun 20210.167%-0.016 pp+0.074 pp+0.000 pp+0.167 pp+17.0%
May 20210.183%+0.014 pp+0.095 pp+0.016 pp+0.183 pp+31.4%
Apr 20210.169%+0.076 pp+0.077 pp+0.009 pp+0.017 pp+22.9%
Mar 20210.093%+0.005 pp-0.074 pp+0.093 pp+0.093 pp+49.7%
Feb 20210.088%-0.004 pp-0.079 pp+0.088 pp+0.088 pp+19.4%
Jan 20210.092%-0.074 pp-0.068 pp+0.092 pp-0.076 pp+1.9%
Dec 20200.167%-0.000 pp+0.166 pp+0.166 pp-0.032 pp-7.3%
Nov 20200.167%+0.007 pp+0.167 pp+0.167 pp-0.032 pp-8.1%
Oct 20200.160%+0.160 pp+0.160 pp+0.007 pp-0.035 pp-8.9%
Sep 20200.000%+0.000 pp+0.000 pp+0.000 pp-0.188 pp-5.0%
Aug 20200.000%+0.000 pp+0.000 pp+0.000 pp-0.172 pp-3.3%
Jul 20200.000%-0.000 pp-0.152 pp-0.168 pp-0.191 pp-16.0%
How are these descriptive states defined?

Gaining / losing: 12-month weight change above +0.005pp / below −0.005pp. Direction and speed are separate dimensions, not mutually exclusive recommendations.

Accelerating / slowing: compare the most recent 3M change with the preceding 3M change. Accelerating means a positive change speeds up by >0.02pp. Slowing means the magnitude of movement declines by >0.02pp. A falling industry can also slow.

Reversing: the last two 3M changes have opposite signs, outside a ±0.005pp tolerance. Persistence counts consecutive same-direction monthly changes.

Broad / concentrated: company attribution, not a market-cap concentration shortcut. Concentrated means the three largest same-direction contributors account for ≥70% of gross same-direction changes; otherwise broad requires ≥60% of constituents moving with the industry. Other cases are mixed.

Weights use matched S&P 500 members’ market-cap estimates, based on SEC-reported shares available by each month-end and monthly closing prices. Companies without a matched price or share record are omitted, so the denominator is the matched sample rather than every index member. These are not official float-adjusted S&P weights. Flow is not measured.