Interstate Power and Light Co - 5.10% PRF PERPETUAL USD 25 - Ser D Profit Margin

Interstate Power and Light Co - 5.10% PRF PERPETUAL USD 25 - Ser D's profit margin stands at 14.89% as of March 2026. That compares with 16.75% in the prior-year period — down 11.1% year over year. That is above the Utilities sector average of 12.77%. Stockcircle updates this page with the newest filings so you can track how the metric evolves quarter by quarter.

Interstate Power and Light Co - 5.10% PRF PERPETUAL USD 25 - Ser D reported 14.89% in profit margin versus 16.75% a year earlier — a 11.1% year-over-year decrease. The historical chart on this page makes it easier to see whether that move is part of a longer pattern.

Interstate Power and Light Co - 5.10% PRF PERPETUAL USD 25 - Ser D sits higher the Utilities benchmark (12.77%) with a profit margin of 14.89%. That is roughly 16.6% above the sector mean. Peer context matters because what looks expensive or cheap in absolute terms can be normal for the sector.

A profit margin of 14.89% for Interstate Power and Light Co - 5.10% PRF PERPETUAL USD 25 - Ser D means each unit of related capital or sales is generating that return rate. Higher is usually better for profitability metrics, but extremely high figures can reflect one-time items or thin equity bases. Review several years of data on this page before extrapolating.

The history chart shows how Interstate Power and Light Co - 5.10% PRF PERPETUAL USD 25 - Ser D's profit margin evolved across reporting periods, while the comparison chart places IPLDP next to similar companies. Use both: a rising metric that still lags peers tells a different story than a rising metric that already leads the group. Growth charts, when available, highlight acceleration or slowdown.