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Oil and gas sector shock: basket posts a loss!

Industry · Nov 12, 2026 · 3 min read

TL;DR

The oil and gas basket returned -3.9% over the supplied shorter window, with data through November 11, 2026. CNBC reported “Brent slipped below $90 a barrel for the first time since August.”

Brent's low was not its closing price

For November 10, CNBC reported “At its session low, the international benchmark slid to $89.16”; its closing account said “Brent, the price gauge for around 80% of global crude, settled down 1.17% at $91.49 a barrel.”

CNBC's account separates political comments from analysts' assessment of regional supply.

My reading is that you need to separate the price observation from the explanation attached to it: the former describes trading, while the latter describes views about peace and supply.

My reading also keeps an intraday threshold separate from a closing price; a headline about crossing a level is not a statement that oil finished below it.

The basket's result depends on the period

The supplied shorter and longer windows have data through November 11, 2026, but their exact starting dates are unavailable.

Oil and gas shares against the market
The plotted history runs from August 14 through November 11, 2026; its starting point is distinct from the supplied summary windows.
Data table
dateseriesvalueseries_role
2026-08-14Industry basket0.0%target
2026-08-17Industry basket1.6%target
2026-08-18Industry basket3.3%target
2026-08-19Industry basket3.8%target
2026-08-20Industry basket5.5%target
2026-08-21Industry basket5.4%target
2026-08-24Industry basket4.0%target
2026-08-25Industry basket1.9%target
2026-08-26Industry basket1.2%target
2026-08-27Industry basket0.9%target
2026-08-28Industry basket1.1%target
2026-08-31Industry basket3.0%target
2026-09-01Industry basket5.3%target
2026-09-02Industry basket5.6%target
2026-09-03Industry basket4.5%target
2026-09-04Industry basket3.4%target
2026-09-08Industry basket4.0%target
2026-09-09Industry basket5.5%target
2026-09-10Industry basket5.7%target
2026-09-11Industry basket6.1%target
2026-09-14Industry basket6.0%target
2026-09-15Industry basket9.1%target
2026-09-16Industry basket3.7%target
2026-09-17Industry basket3.8%target
2026-09-18Industry basket3.1%target
2026-09-21Industry basket0.2%target
2026-09-22Industry basket-0.8%target
2026-09-23Industry basket1.0%target
2026-09-24Industry basket1.7%target
2026-09-25Industry basket0.3%target
2026-09-28Industry basket0.3%target
2026-09-29Industry basket-0.7%target
2026-09-30Industry basket-0.7%target
2026-10-01Industry basket1.4%target
2026-10-02Industry basket1.4%target
2026-10-05Industry basket2.1%target
2026-10-06Industry basket2.5%target
2026-10-07Industry basket2.2%target
2026-10-08Industry basket5.4%target
2026-10-09Industry basket5.4%target
2026-10-12Industry basket7.3%target
2026-10-13Industry basket8.9%target
2026-10-14Industry basket10.0%target
2026-10-15Industry basket8.9%target
2026-10-16Industry basket12.3%target
2026-10-19Industry basket12.0%target
2026-10-20Industry basket12.3%target
2026-10-21Industry basket12.3%target
2026-10-22Industry basket12.2%target
2026-10-23Industry basket15.6%target
2026-10-26Industry basket15.8%target
2026-10-27Industry basket13.5%target
2026-10-28Industry basket14.0%target
2026-10-29Industry basket14.8%target
2026-10-30Industry basket17.2%target
2026-11-02Industry basket12.1%target
2026-11-03Industry basket10.7%target
2026-11-04Industry basket5.4%target
2026-11-05Industry basket3.6%target
2026-11-06Industry basket4.1%target
2026-11-09Industry basket3.5%target
2026-11-10Industry basket4.5%target
2026-11-11Industry basket5.8%target
2026-08-14Market benchmark0.0%benchmark
2026-08-17Market benchmark-0.5%benchmark
2026-08-18Market benchmark-1.1%benchmark
2026-08-19Market benchmark-0.9%benchmark
2026-08-20Market benchmark-1.8%benchmark
2026-08-21Market benchmark-1.4%benchmark
2026-08-24Market benchmark-1.7%benchmark
2026-08-25Market benchmark-1.3%benchmark
2026-08-26Market benchmark-1.3%benchmark
2026-08-27Market benchmark-0.7%benchmark
2026-08-28Market benchmark-0.9%benchmark
2026-08-31Market benchmark-1.2%benchmark
2026-09-01Market benchmark-1.9%benchmark
2026-09-02Market benchmark-1.4%benchmark
2026-09-03Market benchmark-0.4%benchmark
2026-09-04Market benchmark-0.8%benchmark
2026-09-08Market benchmark-1.3%benchmark
2026-09-09Market benchmark-1.8%benchmark
2026-09-10Market benchmark-2.4%benchmark
2026-09-11Market benchmark-1.6%benchmark
2026-09-14Market benchmark-2.0%benchmark
2026-09-15Market benchmark-2.4%benchmark
2026-09-16Market benchmark-2.9%benchmark
2026-09-17Market benchmark-1.8%benchmark
2026-09-18Market benchmark-1.6%benchmark
2026-09-21Market benchmark-0.1%benchmark
2026-09-22Market benchmark-0.1%benchmark
2026-09-23Market benchmark-0.9%benchmark
2026-09-24Market benchmark-0.9%benchmark
2026-09-25Market benchmark-0.4%benchmark
2026-09-28Market benchmark-1.1%benchmark
2026-09-29Market benchmark-1.3%benchmark
2026-09-30Market benchmark-1.5%benchmark
2026-10-01Market benchmark-1.3%benchmark
2026-10-02Market benchmark-0.6%benchmark
2026-10-05Market benchmark0.1%benchmark
2026-10-06Market benchmark0.6%benchmark
2026-10-07Market benchmark0.4%benchmark
2026-10-08Market benchmark-0.1%benchmark
2026-10-09Market benchmark0.5%benchmark
2026-10-12Market benchmark0.5%benchmark
2026-10-13Market benchmark0.5%benchmark
2026-10-14Market benchmark-0.6%benchmark
2026-10-15Market benchmark-0.3%benchmark
2026-10-16Market benchmark-1.4%benchmark
2026-10-19Market benchmark-1.0%benchmark
2026-10-20Market benchmark-0.7%benchmark
2026-10-21Market benchmark-0.2%benchmark
2026-10-22Market benchmark-1.4%benchmark
2026-10-23Market benchmark-1.9%benchmark
2026-10-26Market benchmark-1.2%benchmark
2026-10-27Market benchmark-0.6%benchmark
2026-10-28Market benchmark-0.3%benchmark
2026-10-29Market benchmark-0.7%benchmark
2026-10-30Market benchmark-2.4%benchmark
2026-11-02Market benchmark-2.9%benchmark
2026-11-03Market benchmark-2.6%benchmark
2026-11-04Market benchmark-1.0%benchmark
2026-11-05Market benchmark-5.3%benchmark
2026-11-06Market benchmark-5.1%benchmark
2026-11-09Market benchmark-2.8%benchmark
2026-11-10Market benchmark-3.2%benchmark
2026-11-11Market benchmark-1.9%benchmark

In the shorter window, the basket's return was -3.9%, against -1.3% for the supplied , identified in the data as SPY.

Did the basket also trail the market over the longer window?

Show answer

3.1% The longer-window return minus the benchmark return was 3.1%. My reading is that the contrast with the shorter-window loss makes the choice of period central to this story.

In the longer window, the basket returned 2.4%, against -0.7% for that benchmark.

The gives Chevron, Occidental Petroleum, Exxon Mobil, ConocoPhillips and EOG Resources the same influence, while the chart shows a separately plotted history from August 14 through November 11, 2026.

Glossary
return
The percentage change in an investment over a stated period.
market benchmark
A comparison investment used to judge how shares performed against the broader market.
equal-weight basket
A group of shares in which each company receives the same weight, regardless of its size.

The companies did not share the same result

Over the supplied longer window, with data through November 11, 2026, member returns ranged from -3.8% for Occidental Petroleum to 6.3% for ConocoPhillips.

Company moves against the market around the news
EOG Resources ranks highest and Chevron lowest in the available post-news comparison; the requested period remains incomplete.
Data table
namecar_postseries_role
EOG Resources2.6%peer
Occidental Petroleum1.7%peer
ConocoPhillips1.6%peer
Exxon Mobil0.3%peer
Chevron0.2%peer

The supplied results do not provide shorter-window company rankings or a separate value for the distance between the longer-window endpoints.

From the November 10 news date through November 11, 2026, the middle company's cumulative return after subtracting the market's daily returns was 1.6%, with EOG Resources highest at 2.6% and Chevron lowest at 0.2%.

The requested post-news period is not yet complete because not enough trading days have passed; these results describe moves in the same period as the news, not proof that the news caused them.

Risks

  • A small equal-weight basket is not the whole industry.
  • A shared move can come from the broader market.
  • The post-news trading period is incomplete.

Sources

  1. FinMind USStockPrice (SPY, CVX, COP, EOG, XOM, OXY) — data as of 2026-11-11; fetched 2026-11-12 11:46–14:22 UTC; License note: FinMind open data; original source TWSE/TPEx or US exchanges