heads of each df

data

                close country currency       high           id        low  open          volume  unadj_open  unadj_close  unadj_high  unadj_low  unadj_volume  liq  adj_factor  dividend
date                                                                                                                                                                                    
1994-08-01   0.869021      AR      ARS   0.878840  CD6N07-S-AR   0.849382     0  1344112.549706           0       1.7700      1.7900     1.7300        659922  NaN    0.490972       NaN
1994-08-01   2.279286      AR      ARS   2.301203  D56641-S-AR   2.264676     0  1003886.791989           0       3.1200      3.1500     3.1000        733380  NaN    0.730541       NaN
1994-08-01   0.527021      AR      ARS   0.527021  FBJJ92-S-AR   0.522788     0  1190121.444286           0       0.1245      0.1245     0.1235       5037900  NaN    4.233097       NaN
1994-08-01  38.766332      AR      ARS  38.877729  J1DBW2-S-AR  38.543537     0    18402.566557           0    1740.0000   1745.0000  1730.0000           410  NaN    0.022280       NaN
1994-08-01   0.386922      AR      ARS   0.397395  KNCLHW-S-AR   0.384013     0  1894899.445011           0       0.6650      0.6830     0.6600       1102523  NaN    0.581837       NaN
               close country currency      high           id       low  open         volume  unadj_open  unadj_close  unadj_high  unadj_low  unadj_volume  liq  adj_factor  dividend
date                                                                                                                                                                                
2001-09-07  6.715040      BM      BMD  6.715040  KCCSS7-S-BM  6.715040     0   81849.739802           0        31.75       31.75      31.75         17311  NaN    0.211497       NaN
2001-11-08  6.080548      BM      BMD  6.080548  KCCSS7-S-BM  6.080548     0  128436.620182           0        28.75       28.75      28.75         27164  NaN    0.211497       NaN
2001-11-26  6.027673      BM      BMD  6.027673  KCCSS7-S-BM  6.027673     0  153193.435941           0        28.50       28.50      28.50         32400  NaN    0.211497       NaN
2001-12-12  6.080548      BM      BMD  6.080548  KCCSS7-S-BM  6.080548     0   90577.983097           0        28.75       28.75      28.75         19157  NaN    0.211497       NaN
2002-01-31  6.873663      BM      BMD  6.873663  KCCSS7-S-BM  6.873663     0  109552.219468           0        32.50       32.50      32.50         23170  NaN    0.211497       NaN
                close country currency       high           id        low  open        volume  unadj_open  unadj_close  unadj_high  unadj_low  unadj_volume  liq  adj_factor  dividend
date                                                                                                                                                                                  
1994-08-01   0.070009      BR      BRL   0.070009  B2B3NT-S-BR   0.067509     0  8.386883e+07           0        0.420       0.420      0.405      13980000  NaN    0.166689       NaN
1994-08-01  19.404726      BR      BRL  19.424649  BYN0SH-S-BR  19.404726     0  4.015517e+05           0       19.480      19.500     19.480        400000  NaN    0.996136       NaN
1994-08-01   0.083916      BR      BRL   0.083916  F19KXQ-S-BR   0.082390     0  1.474695e+08           0        2.750       2.750      2.700       4500000  NaN    0.030515       NaN
1994-08-01   0.345392      BR      BRL   0.348795  HRGLY7-S-BR   0.340288     0  3.743886e+06           0        0.203       0.205      0.200       6370000  NaN    1.701441       NaN
1994-08-01   2.430978      BR      BRL   2.441065  JZXQL0-S-BR   2.350282     0  2.188946e+06           0        0.241       0.242      0.233      22080000  NaN   10.087047       NaN