| Date | Currency | Open | High | Low | Close | A.Close | Day Change | Volume |
|---|---|---|---|---|---|---|---|---|
| 3 Jun 1981 | USD | 23 | 23.25 | 23 | 23 | 23 | 0.0 (0.0%) | 1,800 |
| 2 Jun 1981 | USD | 23 | 23.25 | 23 | 23 | 23 | -0.25 (-1.08%) | 3,500 |
| 1 Jun 1981 | USD | 23.25 | 23.5 | 22.875 | 23.25 | 23.25 | +0.25 (+1.09%) | 3,300 |
| 29 May 1981 | USD | 23 | 23 | 22.75 | 23 | 23 | 0.0 (0.0%) | 1,000 |
| 28 May 1981 | USD | 23 | 23.125 | 22.75 | 23 | 23 | 0.0 (0.0%) | 6,600 |
| 27 May 1981 | USD | 23 | 23.125 | 23 | 23 | 23 | 0.0 (0.0%) | 6,000 |
| 26 May 1981 | USD | 23 | 23.125 | 23 | 23 | 23 | -0.125 (-0.54%) | 1,200 |
| 25 May 1981 | USD | 23.125 | 23.125 | 23.125 | 23.125 | 23.125 | 0.0 (0.0%) | 0 |
| 22 May 1981 | USD | 23.125 | 23.375 | 23.125 | 23.125 | 23.125 | 0.0 (0.0%) | 2,000 |
| 21 May 1981 | USD | 23.125 | 23.5 | 23.125 | 23.125 | 23.125 | -0.25 (-1.07%) | 1,700 |
| 20 May 1981 | USD | 23.375 | 23.75 | 23.25 | 23.375 | 23.375 | -0.125 (-0.53%) | 3,800 |
| 19 May 1981 | USD | 23.5 | 23.875 | 23.5 | 23.5 | 23.5 | -0.125 (-0.53%) | 1,600 |
| 18 May 1981 | USD | 23.625 | 24 | 23.25 | 23.625 | 23.625 | -0.25 (-1.05%) | 12,800 |
| 15 May 1981 | USD | 23.875 | 23.875 | 23.5 | 23.875 | 23.875 | +0.375 (+1.60%) | 1,100 |
| 14 May 1981 | USD | 23.5 | 23.875 | 23.5 | 23.5 | 23.5 | 0.0 (0.0%) | 2,700 |
| 13 May 1981 | USD | 23.5 | 24 | 23.375 | 23.5 | 23.5 | +0.125 (+0.53%) | 3,900 |
| 12 May 1981 | USD | 23.375 | 23.75 | 23.375 | 23.375 | 23.375 | +0.125 (+0.54%) | 3,300 |
| 11 May 1981 | USD | 23.25 | 23.625 | 23.25 | 23.25 | 23.25 | +0.25 (+1.09%) | 2,700 |
| 8 May 1981 | USD | 23 | 23.375 | 23 | 23 | 23 | -0.375 (-1.60%) | 3,500 |
| 7 May 1981 | USD | 23.375 | 23.5 | 23.375 | 23.375 | 23.375 | 0.0 (0.0%) | 3,000 |
| 6 May 1981 | USD | 23.375 | 23.75 | 23.375 | 23.375 | 23.375 | -0.25 (-1.06%) | 2,600 |
| 5 May 1981 | USD | 23.625 | 23.625 | 23.375 | 23.625 | 23.625 | +0.25 (+1.07%) | 3,800 |
| 4 May 1981 | USD | 23.375 | 23.5 | 23.125 | 23.375 | 23.375 | +0.25 (+1.08%) | 4,800 |
| 1 May 1981 | USD | 23.125 | 23.25 | 23.125 | 23.125 | 23.125 | -0.375 (-1.60%) | 1,900 |
| 30 Apr 1981 | USD | 23.5 | 23.5 | 23.25 | 23.5 | 23.5 | +0.25 (+1.08%) | 1,400 |
| 29 Apr 1981 | USD | 23.25 | 23.625 | 23.25 | 23.25 | 23.25 | 0.0 (0.0%) | 3,400 |
| 28 Apr 1981 | USD | 23.25 | 23.875 | 23.25 | 23.25 | 23.25 | -0.25 (-1.06%) | 4,300 |
| 27 Apr 1981 | USD | 23.5 | 23.625 | 23.25 | 23.5 | 23.5 | +0.125 (+0.53%) | 3,100 |
| 24 Apr 1981 | USD | 23.375 | 23.375 | 23.125 | 23.375 | 23.375 | +0.125 (+0.54%) | 6,400 |
| 23 Apr 1981 | USD | 23.25 | 23.5 | 23.125 | 23.25 | 23.25 | -0.25 (-1.06%) | 4,500 |
