Centene Corp. options activity surged on June 12, 2026, reaching a total of 17,245 contracts by 2:50 p.m. New York time, according to Bloomberg‑compiled exchange data. Put contracts dominated the market, with 12,628 puts versus 4,617 calls, indicating a bearish tilt among traders. The most actively traded put was the $65 strike expiring on June 12, accounting for 9,357 contracts and carrying an open‑interest of 2,004 contracts. The June 18 $64 put saw 4,075 contracts traded and held 87 contracts of open interest. Additionally, a diagonal spread involving 540 contracts was executed, comprising 270 June 12 $68 call contracts (open interest 342) paired with 270 June 18 $70 call contracts (open interest 1,478). The overall activity reflects heightened interest in near‑term downside protection for Centene’s stock, which was up 2.54 % at the time of reporting.