datetime,symbol,open,high,low,close,volume,turnover,open_interest
2025/10/9 9:30:00,IM2512,7444,7445.2,7443.8,7445.2,406,604503760,-176
2025/10/9 9:45:00,IM2512,7448,7497.8,7430.8,7482.6,20461,30561185000,-6689
2025/10/9 10:00:00,IM2512,7482.6,7486.6,7413.2,7438.2,16226,24136810440,-3489
2025/10/9 10:15:00,IM2512,7436.6,7495.4,7425,7485,11496,17154464040,-1823
2025/10/9 10:30:00,IM2512,7485.4,7490,7472.2,7488.6,7543,11285654240,-324
2025/10/9 10:45:00,IM2512,7500,7517.8,7481.4,7508.6,9391,14084729600,584
2025/10/9 11:00:00,IM2512,7508,7519,7484,7497.6,7377,11069550680,-184
2025/10/9 11:15:00,IM2512,7498.2,7512.6,7493.2,7509.4,5153,7733800280,330
2025/10/9 11:30:00,IM2512,7511.8,7515,7491.8,7497.8,4425,6640375520,639
2025/10/9 13:00:00,IM2512,7496.2,7496.8,7496.2,7496.8,32,47974960,-1
2025/10/9 13:15:00,IM2512,7497.2,7499.2,7475.2,7485.8,6500,9733899920,589
2025/10/9 13:30:00,IM2512,7486,7490.4,7466.6,7486,5213,7795326120,634
2025/10/9 13:45:00,IM2512,7487.4,7494.4,7477,7477,3671,5497097120,740
2025/10/9 14:00:00,IM2512,7476.2,7489,7456.4,7486.2,7696,11501011000,1633
2025/10/9 14:15:00,IM2512,7485,7502.6,7477,7481.8,5525,8276203640,1217
2025/10/9 14:30:00,IM2512,7481,7492,7447.4,7455.8,7169,10703287880,1738
2025/10/9 14:45:00,IM2512,7455.8,7468,7454.2,7461.6,4891,7299102080,1399
2025/10/9 15:00:00,IM2512,7461,7468,7449.6,7449.6,7203,10744653160,1766
2025/10/10 9:30:00,IM2512,7415,7417.6,7415,7417.4,595,882483920,-241
2025/10/10 9:45:00,IM2512,7416.8,7433,7353.2,7353.2,26824,39698311640,-12378
2025/10/10 10:00:00,IM2512,7352.6,7379.8,7339,7359.8,18742,27579709040,-3461
2025/10/10 10:15:00,IM2512,7357.8,7375.6,7340,7343,9092,13374526160,-296
2025/10/10 10:30:00,IM2512,7343.8,7373,7331.6,7373,8344,12267357720,263
2025/10/10 10:45:00,IM2512,7374,7397.8,7373,7374.4,8100,11962701680,689
2025/10/10 11:00:00,IM2512,7373.8,7391.6,7369.6,7375.8,4499,6640018080,130
2025/10/10 11:15:00,IM2512,7375.6,7379,7357.4,7361.2,5339,7867726520,783
2025/10/10 11:30:00,IM2512,7361.6,7367.2,7337,7349.2,6178,9084385760,679
2025/10/10 13:00:00,IM2512,7350.8,7350.8,7349,7349,37,54391480,7
2025/10/10 13:15:00,IM2512,7349,7366.6,7341.8,7361.2,5066,7453994640,1220
2025/10/10 13:30:00,IM2512,7360.8,7365,7349.8,7358.6,3472,5108998600,1031
2025/10/10 13:45:00,IM2512,7358,7371.4,7335,7345.4,6372,9368157960,1088
2025/10/10 14:00:00,IM2512,7346.4,7380.6,7342,7380.6,7364,10842634240,2320
2025/10/10 14:15:00,IM2512,7381.8,7386.8,7340.6,7340.6,7534,11087884440,2262
2025/10/10 14:30:00,IM2512,7341.4,7353,7330.2,7347.6,6980,10249484440,2363
2025/10/10 14:45:00,IM2512,7348.4,7364.4,7335.4,7342.4,5690,8364008080,2237
2025/10/10 15:00:00,IM2512,7342.4,7348.2,7327.2,7340.4,9841,14443336560,2355