| Date | Currency | Open | High | Low | Close | A.Close | Day Change | Volume |
|---|---|---|---|---|---|---|---|---|
| 3 Jun 1981 | USD | 30.125 | 30.125 | 29.375 | 30.125 | 60.25 | +0.625 (+2.12%) | 18,800 |
| 2 Jun 1981 | USD | 29.5 | 31.25 | 29 | 29.5 | 59 | -1.5 (-4.84%) | 15,600 |
| 1 Jun 1981 | USD | 31 | 32.625 | 30 | 31 | 62 | -1.5 (-4.62%) | 35,200 |
| 29 May 1981 | USD | 32.5 | 32.5 | 28.75 | 32.5 | 65 | +4.625 (+16.59%) | 63,700 |
| 28 May 1981 | USD | 27.875 | 28.625 | 27.375 | 27.875 | 55.75 | -0.5 (-1.76%) | 6,700 |
| 27 May 1981 | USD | 28.375 | 30.625 | 27.75 | 28.375 | 56.75 | 0.0 (0.0%) | 14,000 |
| 26 May 1981 | USD | 28.375 | 29.25 | 28.375 | 28.375 | 56.75 | -0.255 (-0.89%) | 3,700 |
| 25 May 1981 | USD | 28.63 | 28.63 | 28.63 | 28.63 | 57.26 | +0.005 (+0.02%) | 0 |
| 22 May 1981 | USD | 28.625 | 28.625 | 27.375 | 28.625 | 57.25 | +1.375 (+5.05%) | 3,400 |
| 21 May 1981 | USD | 27.25 | 28 | 27.25 | 27.25 | 54.5 | -0.75 (-2.68%) | 12,700 |
| 20 May 1981 | USD | 28 | 29.5 | 27.125 | 28 | 56 | -1.5 (-5.08%) | 16,700 |
| 19 May 1981 | USD | 29.5 | 30 | 29.5 | 29.5 | 59 | -0.25 (-0.84%) | 12,000 |
| 18 May 1981 | USD | 29.75 | 30.875 | 29.625 | 29.75 | 59.5 | -0.625 (-2.06%) | 15,500 |
| 15 May 1981 | USD | 30.375 | 30.625 | 29.875 | 30.375 | 60.75 | +0.125 (+0.41%) | 19,600 |
| 14 May 1981 | USD | 30.25 | 30.5 | 28.875 | 30.25 | 60.5 | +1.125 (+3.86%) | 14,900 |
| 13 May 1981 | USD | 29.125 | 30 | 29 | 29.125 | 58.25 | -0.75 (-2.51%) | 9,600 |
| 12 May 1981 | USD | 29.875 | 29.875 | 29 | 29.875 | 59.75 | +0.25 (+0.84%) | 8,700 |
| 11 May 1981 | USD | 29.625 | 31.5 | 29.625 | 29.625 | 59.25 | -1.875 (-5.95%) | 11,600 |
| 8 May 1981 | USD | 31.5 | 32 | 31.125 | 31.5 | 63 | -0.125 (-0.40%) | 6,000 |
| 7 May 1981 | USD | 31.625 | 32.625 | 31.25 | 31.625 | 63.25 | +0.375 (+1.20%) | 27,100 |
| 6 May 1981 | USD | 31.25 | 31.75 | 30.125 | 31.25 | 62.5 | +1.375 (+4.60%) | 30,800 |
| 5 May 1981 | USD | 29.875 | 29.875 | 27.875 | 29.875 | 59.75 | +2 (+7.17%) | 22,900 |
| 4 May 1981 | USD | 27.875 | 29.25 | 27.5 | 27.875 | 55.75 | -1.125 (-3.88%) | 19,000 |
| 1 May 1981 | USD | 29 | 29.875 | 27.375 | 29 | 58 | +2 (+7.41%) | 35,700 |
| 30 Apr 1981 | USD | 27 | 27.25 | 25.25 | 27 | 54 | +2.125 (+8.54%) | 37,200 |
| 29 Apr 1981 | USD | 24.875 | 25.125 | 24.5 | 24.875 | 49.75 | -0.5 (-1.97%) | 27,200 |
| 28 Apr 1981 | USD | 25.375 | 25.875 | 24.625 | 25.375 | 50.75 | +0.625 (+2.53%) | 12,700 |
| 27 Apr 1981 | USD | 24.75 | 24.75 | 23 | 24.75 | 49.5 | -0.25 (-1%) | 31,700 |
| 24 Apr 1981 | USD | 25 | 26 | 25 | 25 | 50 | -0.75 (-2.91%) | 8,100 |
| 23 Apr 1981 | USD | 25.75 | 26.25 | 25.375 | 25.75 | 51.5 | -0.125 (-0.48%) | 15,400 |
