M73研究和试验发展
date open ... cum_volume_year cum_amount_year
0 1996-06-26 6.820142 ... 1.225204e+03 8.147971e+03
1 1996-06-27 6.592559 ... 2.167761e+03 1.484967e+04
2 1996-06-28 7.767180 ... 2.858919e+03 2.009823e+04
3 1996-07-01 7.121139 ... 3.152413e+03 2.208335e+04
4 1996-07-02 6.599901 ... 3.309047e+03 2.312136e+04
... ... ... ... ... ...
6885 2026-09-17 826.000000 ... 4.804032e+06 2.247914e+08
6886 2026-09-18 856.410000 ... 4.857385e+06 2.270426e+08
6887 2026-09-21 892.610000 ... 4.911422e+06 2.296727e+08
6888 2026-09-22 908.940000 ... 4.970981e+06 2.322431e+08
6889 2026-09-23 952.400000 ... 5.023701e+06 2.345169e+08
[6890 rows x 26 columns]