
* WCS for October delivery in Hardisty, Alberta settled at $13.80 a barrel below WTI, according to brokerage CalRock, having settled at $13.90 a barrel under the benchmark on Monday.
* While price action in the WCS market remained muted, the global WTI market plunged more than 5% to its lowest level since May 2023 after OPEC+ revised down its demand forecast for this year and 2025.
* That put the outright price of WCS at just under $52 a barrel.
(Reporting by Nia Williams in British Columbia; Editing by Krishna Chandra Eluri)