| Date | Currency | Open | High | Low | Close | A.Close | Day Change | Volume |
|---|---|---|---|---|---|---|---|---|
| 13 May 1981 | USD | 24.5 | 25.25 | 24.5 | 24.5 | 122.5 | 0.0 (0.0%) | 4,000 |
| 12 May 1981 | USD | 24.5 | 25.25 | 24.5 | 24.5 | 122.5 | 0.0 (0.0%) | 1,600 |
| 11 May 1981 | USD | 24.5 | 25.25 | 24.5 | 24.5 | 122.5 | -0.75 (-2.97%) | 7,000 |
| 8 May 1981 | USD | 25.25 | 25.5 | 25.25 | 25.25 | 126.25 | +0.25 (+1%) | 6,400 |
| 7 May 1981 | USD | 25 | 25.5 | 25 | 25 | 125 | 0.0 (0.0%) | 3,200 |
| 6 May 1981 | USD | 25 | 25.5 | 25 | 25 | 125 | 0.0 (0.0%) | 3,200 |
| 5 May 1981 | USD | 25 | 25.5 | 25 | 25 | 125 | -0.5 (-1.96%) | 4,100 |
| 4 May 1981 | USD | 25.5 | 26 | 25.5 | 25.5 | 127.5 | 0.0 (0.0%) | 11,100 |
| 1 May 1981 | USD | 25.5 | 26.25 | 25.5 | 25.5 | 127.5 | +0.5 (+2%) | 8,300 |
| 30 Apr 1981 | USD | 25 | 25.5 | 25 | 25 | 125 | +0.25 (+1.01%) | 3,400 |
| 29 Apr 1981 | USD | 24.75 | 25.25 | 24.75 | 24.75 | 123.75 | +0.25 (+1.02%) | 17,000 |
| 28 Apr 1981 | USD | 24.5 | 25.25 | 24.5 | 24.5 | 122.5 | +0.75 (+3.16%) | 10,200 |
| 27 Apr 1981 | USD | 23.75 | 24.25 | 23.75 | 23.75 | 118.75 | +2.25 (+10.47%) | 14,200 |
| 24 Apr 1981 | USD | 21.5 | 22 | 21.5 | 21.5 | 107.5 | -0.25 (-1.15%) | 7,100 |
| 23 Apr 1981 | USD | 21.75 | 22 | 21.75 | 21.75 | 108.75 | -0.25 (-1.14%) | 7,900 |
| 22 Apr 1981 | USD | 22 | 22.5 | 22 | 22 | 110 | -2.25 (-9.28%) | 13,000 |
| 21 Apr 1981 | USD | 24.25 | 24.75 | 24.25 | 24.25 | 121.25 | -0.25 (-1.02%) | 11,100 |
| 20 Apr 1981 | USD | 24.5 | 25 | 24.5 | 24.5 | 122.5 | 0.0 (0.0%) | 1,500 |
| 17 Apr 1981 | USD | 24.5 | 24.5 | 24.5 | 24.5 | 122.5 | 0.0 (0.0%) | 0 |
| 16 Apr 1981 | USD | 24.5 | 25.25 | 24.5 | 24.5 | 122.5 | +0.25 (+1.03%) | 6,500 |
| 15 Apr 1981 | USD | 24.25 | 25 | 24.25 | 24.25 | 121.25 | 0.0 (0.0%) | 2,400 |
| 14 Apr 1981 | USD | 24.25 | 25 | 24.25 | 24.25 | 121.25 | +0.75 (+3.19%) | 12,200 |
| 13 Apr 1981 | USD | 23.5 | 24 | 23.5 | 23.5 | 117.5 | +0.75 (+3.30%) | 8,300 |
| 10 Apr 1981 | USD | 22.75 | 23.75 | 22.75 | 22.75 | 113.75 | -1.25 (-5.21%) | 8,800 |
| 9 Apr 1981 | USD | 24 | 24.5 | 24 | 24 | 120 | 0.0 (0.0%) | 6,400 |
| 8 Apr 1981 | USD | 24 | 24.5 | 24 | 24 | 120 | -1 (-4%) | 6,100 |
| 7 Apr 1981 | USD | 25 | 25.25 | 25 | 25 | 125 | +0.25 (+1.01%) | 8,100 |
| 6 Apr 1981 | USD | 24.75 | 25.5 | 24.75 | 24.75 | 123.75 | -0.25 (-1%) | 2,600 |
| 3 Apr 1981 | USD | 25 | 25.5 | 25 | 25 | 125 | +0.25 (+1.01%) | 4,900 |
| 2 Apr 1981 | USD | 24.75 | 25 | 24.75 | 24.75 | 123.75 | -0.25 (-1%) | 20,000 |
