KMI +9.2%. Targa Resources +73.6%, Energy Transfer +21.8%, Enterprise Products Partners +14.3%, Williams Companies +9.4%. Weekly closes, Oct 3, 2025 = 100, log scale.

End-of-day closes (Databento EOD), the last close of each week. The four peers are the largest US-listed companies by market value in KMI’s SEC industry (Natural Gas Transmission) with a year of closes. It shows what the closes did; a move here is not a cause, a forecast or a call.