Oil steadied after the longest winning run in more than four years as OPEC+ leaders extended supply cuts to the end of 2023 and industry estimates pointed to another draw in US crude inventories. WTI edged higher toward $88 a barrel after posting nine straight daily gains, the longest stretch of advances since January 2019. That surge came as Saudi Arabia and Russia pledged to prolong their export curbs through the fourth quarter. Riyadh also raised official prices.