| Date | Currency | Open | High | Low | Close | A.Close | Day Change | Volume |
|---|---|---|---|---|---|---|---|---|
| 22 Jul 1981 | USD | 18.875 | 19.375 | 18.75 | 18.875 | 6.2917 | -0.375 (-1.95%) | 122,400 |
| 21 Jul 1981 | USD | 19.25 | 19.375 | 19.25 | 19.25 | 6.4167 | -0.375 (-1.91%) | 61,700 |
| 20 Jul 1981 | USD | 19.625 | 19.875 | 19.625 | 19.625 | 6.5417 | -0.5 (-2.48%) | 8,500 |
| 17 Jul 1981 | USD | 20.125 | 20.125 | 19.75 | 20.125 | 6.7083 | -0.25 (-1.23%) | 12,200 |
| 16 Jul 1981 | USD | 20.375 | 20.375 | 19.625 | 20.375 | 6.7917 | +0.625 (+3.16%) | 5,400 |
| 15 Jul 1981 | USD | 19.75 | 20.5 | 19.5 | 19.75 | 6.5833 | -0.25 (-1.25%) | 38,600 |
| 14 Jul 1981 | USD | 20 | 20.5 | 20 | 20 | 6.6667 | -0.375 (-1.84%) | 21,200 |
| 13 Jul 1981 | USD | 20.375 | 20.5 | 20.375 | 20.375 | 6.7917 | +0.375 (+1.88%) | 14,800 |
| 10 Jul 1981 | USD | 20 | 20.125 | 19.875 | 20 | 6.6667 | -0.25 (-1.23%) | 25,200 |
| 9 Jul 1981 | USD | 20.25 | 20.25 | 20 | 20.25 | 6.75 | +0.25 (+1.25%) | 13,700 |
| 8 Jul 1981 | USD | 20 | 20.125 | 20 | 20 | 6.6667 | -0.25 (-1.23%) | 16,400 |
| 7 Jul 1981 | USD | 20.25 | 20.375 | 19.5 | 20.25 | 6.75 | +0.75 (+3.85%) | 31,900 |
| 6 Jul 1981 | USD | 19.5 | 19.75 | 19.5 | 19.5 | 6.5 | -0.625 (-3.11%) | 27,700 |
| 3 Jul 1981 | USD | 20.125 | 20.125 | 20.125 | 20.125 | 6.7083 | 0.0 (0.0%) | 0 |
| 2 Jul 1981 | USD | 20.125 | 20.875 | 20.125 | 20.125 | 6.7083 | -0.625 (-3.01%) | 36,100 |
| 1 Jul 1981 | USD | 20.75 | 20.75 | 20.375 | 20.75 | 6.9167 | 0.0 (0.0%) | 24,100 |
| 30 Jun 1981 | USD | 20.75 | 20.75 | 20.25 | 20.75 | 6.9167 | +0.375 (+1.84%) | 22,400 |
| 29 Jun 1981 | USD | 20.375 | 20.75 | 20.125 | 20.375 | 6.7917 | -0.25 (-1.21%) | 11,600 |
| 26 Jun 1981 | USD | 20.625 | 20.875 | 20.5 | 20.625 | 6.875 | 0.0 (0.0%) | 11,300 |
| 25 Jun 1981 | USD | 20.625 | 21 | 20.5 | 20.625 | 6.875 | -0.375 (-1.79%) | 35,400 |
| 24 Jun 1981 | USD | 21 | 21.375 | 20.75 | 21 | 7 | -0.375 (-1.75%) | 50,200 |
| 23 Jun 1981 | USD | 21.375 | 21.375 | 20.5 | 21.375 | 7.125 | +0.375 (+1.79%) | 26,600 |
| 22 Jun 1981 | USD | 21 | 21 | 20.5 | 21 | 7 | 0.0 (0.0%) | 12,400 |
| 19 Jun 1981 | USD | 21 | 21.125 | 20.625 | 21 | 7 | -0.25 (-1.18%) | 107,900 |
| 18 Jun 1981 | USD | 21.25 | 22.125 | 21 | 21.25 | 7.0833 | -0.875 (-3.95%) | 29,500 |
| 17 Jun 1981 | USD | 22.125 | 22.25 | 22 | 22.125 | 7.375 | -0.125 (-0.56%) | 37,000 |
| 16 Jun 1981 | USD | 22.25 | 22.375 | 21.875 | 22.25 | 7.4167 | +0.375 (+1.71%) | 61,400 |
| 15 Jun 1981 | USD | 21.875 | 22.25 | 21.625 | 21.875 | 7.2917 | +0.125 (+0.57%) | 120,000 |
| 12 Jun 1981 | USD | 21.75 | 21.875 | 21.375 | 21.75 | 7.25 | -0.125 (-0.57%) | 136,100 |
| 11 Jun 1981 | USD | 21.875 | 21.875 | 21.375 | 21.875 | 7.2917 | +0.375 (+1.74%) | 29,600 |
