Basis: Latest reported fiscal quarter. Source: stored company filings and market data; unavailable inputs remain N/A.
Is the gross margin high or low?
The gross margin of -51.67% is 230% below its 5-year average of 39.66%, near the low end of its 5-year range (-51.67%–54.85%).
As of the fiscal period ended Tuesday, June 30, 2026. 347.53% below its 12-month average of 20.88%.
Reported quarterly gross margin; no daily interpolation.
GROSS MARGIN
-51.67%
GROSS MARGIN AVG TTM
20.88%
GROSS MARGIN AVG 3Y
44.88%
GROSS MARGIN AVG 5Y
44.23%
GROSS MARGIN AVG 10Y
45.08%
GROSS MARGIN AVG 15Y
44.55%
GROSS MARGIN AVG 20Y
48.10%
CURRENT VS TTM AVG
-347.53%
CURRENT VS 3Y AVG
-215.13%
CURRENT VS 5Y AVG
-216.83%
CURRENT VS 10Y AVG
-214.64%
CURRENT VS 15Y AVG
-216.00%
CURRENT VS 20Y AVG
-207.42%
SECTOR MEDIAN · UTILITIES
31.68%
median of 42 covered companies
CURRENT VS SECTOR MEDIAN
-263.08%
vs the sector median at left
Ameren Corporation
Market Cap
$30.33B
Gross Margin
-51.67%
TTM Avg
20.88%
3Y Avg
44.88%
5Y Avg
44.23%
Market Cap
$28.84B
Gross Margin
51.43%
TTM Avg
55.14%
3Y Avg
50.37%
5Y Avg
50.93%
Market Cap
$28.23B
Gross Margin
57.83%
TTM Avg
49.42%
3Y Avg
43.87%
5Y Avg
41.83%
Market Cap
$27.69B
Gross Margin
28.71%
TTM Avg
37.36%
3Y Avg
38.38%
5Y Avg
38.57%
Market Cap
$26.66B
Gross Margin
44.38%
TTM Avg
51.83%
3Y Avg
55.28%
5Y Avg
55.50%
| NAME | MARKET CAP | GROSS MARGIN | TTM | 3Y | 5Y |
|---|---|---|---|---|---|
| Ameren Corporation (AEE) | $30.33B | -51.67% | 20.88% | 44.88% | 44.23% |
| DTE Energy Company (DTE)vs › | $29.52B | 84.94% | 59.88% | 43.20% | 37.30% |
| Atmos Energy Corporation (ATO)vs › | $28.84B | 51.43% | 55.14% | 50.37% | 50.93% |
| NRG Energy, Inc. (NRG)vs › | $28.33B | 17.07% | 21.65% | 16.06% | 19.41% |
| Edison International (EIX)vs › | $28.23B | 57.83% | 49.42% | 43.87% | 41.83% |
| FirstEnergy Corp. (FE)vs › | $27.95B | 53.43% | 61.14% | 62.33% | 64.99% |
| CenterPoint Energy, Inc. (CNP)vs › | $27.69B | 28.71% | 37.36% | 38.38% | 38.57% |
| Eversource Energy (ES)vs › | $26.92B | 30.13% | 30.63% | 36.49% | 40.66% |
| American Water Works Company, Inc. (AWK)vs › | $26.66B | 44.38% | 51.83% | 55.28% | 55.50% |
| PPL Corporation (PPL)vs › | $26.49B | 35.29% | 41.41% | 39.69% | 42.77% |
Gross Margin
-51.7%
(Revenue - COGS) / Revenue
Gross Margin = Gross Profit / Revenue
Gross margin is the percentage of revenue remaining after the cost of goods sold, reflecting core product profitability.
Expanded definitions: Investopedia, Wikipedia, Corporate Finance Institute
| DATE | GROSS MARGIN |
|---|---|
| 2026-06-30 | -51.67% |
| 2026-03-31 | 49.68% |
| 2025-12-31 | 27.95% |
| 2025-09-30 | 36.64% |
| 2025-06-30 | 41.78% |
| 2025-03-31 | 44.87% |
| 2024-12-31 | 40.91% |
| 2024-09-30 | 51.73% |
| 2024-06-30 | 51.27% |
| 2024-03-31 | 47.74% |
| 2023-12-31 | 46.42% |
| 2023-09-30 | 54.85% |
| 2023-06-30 | 44.77% |
| 2023-03-31 | 38.70% |
| 2022-12-31 | 35.39% |
| 2022-09-30 | 47.40% |
| 2022-06-30 | 43.68% |
| 2022-03-31 | 41.09% |
| 2021-12-31 | 39.29% |
| 2021-09-30 | 53.34% |
| 2021-06-30 | 47.08% |
| 2021-03-31 | 46.30% |
| 2020-12-31 | 45.03% |
| 2020-09-30 | 54.98% |
| 2020-06-30 | 53.22% |
| 2020-03-31 | 43.13% |
| 2019-12-31 | 40.65% |
| 2019-09-30 | 54.19% |
| 2019-06-30 | 46.92% |
| 2019-03-31 | 42.54% |
| 2018-12-31 | 36.43% |
| 2018-09-30 | 52.26% |
| 2018-06-30 | 47.66% |
| 2018-03-31 | 39.87% |
| 2017-12-31 | 40.37% |
| 2017-09-30 | 53.57% |
| 2017-06-30 | 47.20% |
| 2017-03-31 | 38.38% |
| 2016-12-31 | 34.73% |
| 2016-09-30 | 55.46% |
| 2016-06-30 | 45.55% |
| 2016-03-31 | 37.73% |
| 2015-12-31 | 34.10% |
| 2015-09-30 | 52.10% |
| 2015-06-30 | 44.40% |
| 2015-03-31 | 36.89% |
| 2014-12-31 | 31.02% |
| 2014-09-30 | 52.04% |
| 2014-06-30 | 43.62% |
| 2014-03-31 | 34.76% |
| 2013-12-31 | 34.27% |
| 2013-09-30 | 52.69% |
| 2013-06-30 | 39.20% |
| 2013-03-31 | 32.68% |
| 2012-12-31 | -57.65% |
| 2012-09-30 | 49.91% |
| 2012-06-30 | 37.47% |
| 2012-03-31 | 31.02% |
| 2011-12-31 | 57.10% |
| 2011-11-23 | 62.74% |
| 2011-06-30 | 61.43% |
| 2011-03-31 | 53.05% |
| 2010-12-31 | 57.88% |
| 2010-09-30 | 64.15% |
| 2010-06-30 | 63.85% |
| 2010-03-31 | 54.44% |
| 2009-12-31 | 58.15% |
| 2009-09-30 | 65.90% |
| 2009-06-30 | 65.02% |
| 2009-03-31 | 53.55% |
| 2008-12-31 | 51.89% |
| 2008-09-30 | 56.07% |
| 2008-06-30 | 65.94% |
| 2008-03-31 | 49.64% |
| 2007-12-31 | 52.30% |
| 2007-09-30 | 58.69% |
| 2007-06-30 | 59.08% |
| 2007-03-31 | 68.58% |
| 2006-12-31 | 51.48% |
| 2006-09-30 | 62.98% |
| 2006-06-30 | 59.48% |
| 2006-03-31 | 45.67% |
| 2005-12-31 | 44.86% |
| 2005-09-30 | 61.94% |
| 2005-06-30 | 62.69% |
| 2005-03-31 | 52.62% |
| 2004-12-31 | 96.41% |
| 2004-09-30 | 71.92% |
| 2004-06-30 | 69.19% |
| 2004-03-31 | 60.20% |
| 2003-12-31 | 106.11% |
| 2003-09-30 | 71.56% |
| 2003-06-30 | 70.40% |
| 2003-03-31 | 79.06% |
| 2002-12-31 | 155.47% |
| 2002-09-30 | 73.13% |
