| Date | Currency | Open | High | Low | Close | A.Close | Day Change | Volume |
|---|---|---|---|---|---|---|---|---|
| 15 Jul 1981 | USD | 23 | 23.125 | 23 | 23 | 23 | +0.125 (+0.55%) | 1,200 |
| 14 Jul 1981 | USD | 22.875 | 23.125 | 22.875 | 22.875 | 22.875 | -0.125 (-0.54%) | 1,200 |
| 13 Jul 1981 | USD | 23 | 23.125 | 23 | 23 | 23 | 0.0 (0.0%) | 4,900 |
| 10 Jul 1981 | USD | 23 | 23.125 | 23 | 23 | 23 | 0.0 (0.0%) | 2,900 |
| 9 Jul 1981 | USD | 23 | 23.25 | 22.875 | 23 | 23 | 0.0 (0.0%) | 2,200 |
| 8 Jul 1981 | USD | 23 | 23.25 | 23 | 23 | 23 | 0.0 (0.0%) | 9,600 |
| 7 Jul 1981 | USD | 23 | 23.25 | 23 | 23 | 23 | -0.125 (-0.54%) | 2,100 |
| 6 Jul 1981 | USD | 23.125 | 23.25 | 23 | 23.125 | 23.125 | +0.125 (+0.54%) | 2,700 |
| 3 Jul 1981 | USD | 23 | 23 | 23 | 23 | 23 | 0.0 (0.0%) | 0 |
| 2 Jul 1981 | USD | 23 | 23.25 | 23 | 23 | 23 | -0.25 (-1.08%) | 5,000 |
| 1 Jul 1981 | USD | 23.25 | 23.625 | 23.25 | 23.25 | 23.25 | -0.25 (-1.06%) | 3,800 |
| 30 Jun 1981 | USD | 23.5 | 23.625 | 23.25 | 23.5 | 23.5 | +0.25 (+1.08%) | 4,100 |
| 29 Jun 1981 | USD | 23.25 | 23.75 | 23.25 | 23.25 | 23.25 | -0.25 (-1.06%) | 3,400 |
| 26 Jun 1981 | USD | 23.5 | 23.75 | 23.375 | 23.5 | 23.5 | -0.125 (-0.53%) | 3,500 |
| 25 Jun 1981 | USD | 23.625 | 23.625 | 23.25 | 23.625 | 23.625 | +0.375 (+1.61%) | 600 |
| 24 Jun 1981 | USD | 23.25 | 23.375 | 23.25 | 23.25 | 23.25 | +0.25 (+1.09%) | 2,100 |
| 23 Jun 1981 | USD | 23 | 23.25 | 23 | 23 | 23 | -0.25 (-1.08%) | 3,900 |
| 22 Jun 1981 | USD | 23.25 | 23.5 | 23 | 23.25 | 23.25 | +0.125 (+0.54%) | 4,500 |
| 19 Jun 1981 | USD | 23.125 | 23.25 | 22.75 | 23.125 | 23.125 | -0.25 (-1.07%) | 11,400 |
| 18 Jun 1981 | USD | 23.375 | 23.5 | 23.125 | 23.375 | 23.375 | +0.25 (+1.08%) | 5,300 |
| 17 Jun 1981 | USD | 23.125 | 23.625 | 23.125 | 23.125 | 23.125 | -0.375 (-1.60%) | 4,000 |
| 16 Jun 1981 | USD | 23.5 | 23.875 | 23.5 | 23.5 | 23.5 | 0.0 (0.0%) | 4,600 |
| 15 Jun 1981 | USD | 23.5 | 23.75 | 23.375 | 23.5 | 23.5 | 0.0 (0.0%) | 5,800 |
| 12 Jun 1981 | USD | 23.5 | 23.625 | 23.375 | 23.5 | 23.5 | +0.125 (+0.53%) | 2,400 |
| 11 Jun 1981 | USD | 23.375 | 23.375 | 23 | 23.375 | 23.375 | +0.375 (+1.63%) | 3,000 |
| 10 Jun 1981 | USD | 23 | 23.25 | 23 | 23 | 23 | -0.375 (-1.60%) | 7,900 |
| 9 Jun 1981 | USD | 23.375 | 23.625 | 23 | 23.375 | 23.375 | +0.5 (+2.19%) | 4,700 |
| 8 Jun 1981 | USD | 22.875 | 23.25 | 22.875 | 22.875 | 22.875 | 0.0 (0.0%) | 1,900 |
| 5 Jun 1981 | USD | 22.875 | 23 | 22.875 | 22.875 | 22.875 | -0.375 (-1.61%) | 2,700 |
| 4 Jun 1981 | USD | 23.25 | 23.25 | 23 | 23.25 | 23.25 | +0.25 (+1.09%) | 2,800 |
