-1000 -500 0 500 1000 1500 日期 01-15 01-30 02-14 02-29 03-15 03-30 04-14 04-29 05-14 05-29 06-13 06-28 07-13 07-28 08-12 08-27 09-11 09-26 10-11 10-26 11-10 11-25 12-10 12-25 2025 2024 2023 2022 2021 焦炭--基差 -200 0 200 400 600 800 1000 日期 01-13 01-26 02-08 02-21 03-05 03-18 03-31 04-13 04-26 05-09 05-22 06-04 06-17 06-30 07-13 07-26 08-08 08-21 09-03 09-16 09-29 10-12 10-25 11-07 11-20 12-03 12-16 12-29 2025 2024 2023 2022 2021 铁矿石--基差 -1000 -500 0 500 1000 1500 日期 01-13 01-26 02-08 02-21 03-05 03-18 03-31 04 ...