PTEN +75.2%. Valaris +52.1%, Noble +40.4%, Helmerich & Payne +37.9%, Transocean +36.9%. Weekly closes, Nov 7, 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 PTEN’s SEC industry (Drilling Oil & Gas Wells) with a year of closes. It shows what the closes did; a move here is not a cause, a forecast or a call.