| Date | Currency | Open | High | Low | Close | A.Close | Day Change | Volume |
|---|---|---|---|---|---|---|---|---|
| 4 Jun 1981 | USD | 40.75 | 41.251 | 39.875 | 40.75 | 0.4245 | -1 (-2.40%) | 9,401 |
| 3 Jun 1981 | USD | 41.75 | 42.001 | 41.625 | 41.75 | 0.4349 | -1.251 (-2.91%) | 6,000 |
| 2 Jun 1981 | USD | 43.001 | 43.749 | 42.749 | 43.001 | 0.4479 | -1.5 (-3.37%) | 8,201 |
| 1 Jun 1981 | USD | 44.501 | 45 | 44.25 | 44.501 | 0.4636 | -0.499 (-1.11%) | 8,500 |
| 29 May 1981 | USD | 45 | 45 | 43.5 | 45 | 0.4688 | +1.376 (+3.15%) | 10,800 |
| 28 May 1981 | USD | 43.624 | 43.749 | 42.749 | 43.624 | 0.4544 | +1.126 (+2.65%) | 48,000 |
| 27 May 1981 | USD | 42.498 | 42.498 | 41.75 | 42.498 | 0.4427 | +0.873 (+2.10%) | 47,101 |
| 26 May 1981 | USD | 41.625 | 41.75 | 40.75 | 41.625 | 0.4336 | -0.125 (-0.30%) | 15,200 |
| 25 May 1981 | USD | 41.75 | 41.75 | 41.75 | 41.75 | 0.4349 | 0.0 (0.0%) | 0 |
| 22 May 1981 | USD | 41.75 | 41.75 | 41.376 | 41.75 | 0.4349 | +0.125 (+0.30%) | 4,201 |
| 21 May 1981 | USD | 41.625 | 42.25 | 41.499 | 41.625 | 0.4336 | -0.125 (-0.30%) | 19,401 |
| 20 May 1981 | USD | 41.75 | 41.75 | 41.376 | 41.75 | 0.4349 | -0.5 (-1.18%) | 22,201 |
| 19 May 1981 | USD | 42.25 | 42.625 | 40.499 | 42.25 | 0.4401 | -0.626 (-1.46%) | 14,000 |
| 18 May 1981 | USD | 42.876 | 44.501 | 42.25 | 42.876 | 0.4466 | -0.125 (-0.29%) | 16,900 |
| 15 May 1981 | USD | 43.001 | 43.001 | 42.124 | 43.001 | 0.4479 | +1 (+2.38%) | 45,700 |
| 14 May 1981 | USD | 42.001 | 42.375 | 40.376 | 42.001 | 0.4375 | +1.376 (+3.39%) | 39,501 |
| 13 May 1981 | USD | 40.625 | 41.251 | 40.625 | 40.625 | 0.4232 | -0.874 (-2.11%) | 3,700 |
| 12 May 1981 | USD | 41.499 | 41.75 | 41.251 | 41.499 | 0.4323 | +0.248 (+0.60%) | 25,801 |
| 11 May 1981 | USD | 41.251 | 41.75 | 41.001 | 41.251 | 0.4297 | +0.376 (+0.92%) | 16,201 |
| 8 May 1981 | USD | 40.875 | 41.251 | 40.249 | 40.875 | 0.4258 | +2.375 (+6.17%) | 23,600 |
| 7 May 1981 | USD | 38.5 | 38.5 | 37.625 | 38.5 | 0.401 | +1.25 (+3.36%) | 3,101 |
| 6 May 1981 | USD | 37.25 | 37.373 | 36.999 | 37.25 | 0.388 | 0.0 (0.0%) | 1,501 |
| 5 May 1981 | USD | 37.25 | 37.5 | 36.5 | 37.25 | 0.388 | -0.123 (-0.33%) | 3,501 |
| 4 May 1981 | USD | 37.373 | 37.625 | 36.999 | 37.373 | 0.3893 | +0.623 (+1.70%) | 8,701 |
| 1 May 1981 | USD | 36.75 | 36.75 | 36 | 36.75 | 0.3828 | +0.376 (+1.03%) | 43,600 |
| 30 Apr 1981 | USD | 36.374 | 36.374 | 35.877 | 36.374 | 0.3789 | +1.249 (+3.56%) | 12,800 |
| 29 Apr 1981 | USD | 35.125 | 35.499 | 35.125 | 35.125 | 0.3659 | -0.5 (-1.40%) | 4,400 |
| 28 Apr 1981 | USD | 35.625 | 35.877 | 35.499 | 35.625 | 0.3711 | +0.376 (+1.07%) | 4,000 |
| 27 Apr 1981 | USD | 35.249 | 35.499 | 34.626 | 35.249 | 0.3672 | +1.874 (+5.61%) | 6,900 |
| 24 Apr 1981 | USD | 33.375 | 33.375 | 32.874 | 33.375 | 0.3477 | +0.25 (+0.75%) | 1,501 |
