| Date | Currency | Open | High | Low | Close | A.Close | Day Change | Volume |
|---|---|---|---|---|---|---|---|---|
| 22 Jul 1981 | USD | 18 | 18.752 | 18 | 18 | 2.25 | -0.876 (-4.64%) | 4,900 |
| 21 Jul 1981 | USD | 18.876 | 18.876 | 18.628 | 18.876 | 2.3595 | -0.124 (-0.65%) | 2,300 |
| 20 Jul 1981 | USD | 19 | 19.376 | 18.752 | 19 | 2.375 | -0.376 (-1.94%) | 1,500 |
| 17 Jul 1981 | USD | 19.376 | 19.376 | 19 | 19.376 | 2.422 | +0.376 (+1.98%) | 1,000 |
| 16 Jul 1981 | USD | 19 | 19.376 | 19 | 19 | 2.375 | -0.128 (-0.67%) | 1,600 |
| 15 Jul 1981 | USD | 19.128 | 19.5 | 19.128 | 19.128 | 2.391 | -0.624 (-3.16%) | 2,200 |
| 14 Jul 1981 | USD | 19.752 | 20.252 | 19.752 | 19.752 | 2.469 | -0.248 (-1.24%) | 3,400 |
| 13 Jul 1981 | USD | 20 | 20 | 19.752 | 20 | 2.5 | 0.0 (0.0%) | 3,500 |
| 10 Jul 1981 | USD | 20 | 20 | 19.752 | 20 | 2.5 | +0.5 (+2.56%) | 2,800 |
| 9 Jul 1981 | USD | 19.5 | 19.752 | 19.252 | 19.5 | 2.4375 | +0.5 (+2.63%) | 2,700 |
| 8 Jul 1981 | USD | 19 | 19.628 | 19 | 19 | 2.375 | -0.5 (-2.56%) | 5,200 |
| 7 Jul 1981 | USD | 19.5 | 19.5 | 19.5 | 19.5 | 2.4375 | -0.252 (-1.28%) | 700 |
| 6 Jul 1981 | USD | 19.752 | 19.876 | 19.752 | 19.752 | 2.469 | -0.248 (-1.24%) | 500 |
| 3 Jul 1981 | USD | 20 | 20 | 20 | 20 | 2.5 | 0.0 (0.0%) | 0 |
| 2 Jul 1981 | USD | 20 | 20.752 | 20 | 20 | 2.5 | -0.752 (-3.62%) | 2,400 |
| 1 Jul 1981 | USD | 20.752 | 20.876 | 20.5 | 20.752 | 2.594 | 0.0 (0.0%) | 3,800 |
| 30 Jun 1981 | USD | 20.752 | 21.128 | 20.5 | 20.752 | 2.594 | -0.376 (-1.78%) | 6,300 |
| 29 Jun 1981 | USD | 21.128 | 21.128 | 20.628 | 21.128 | 2.641 | +0.752 (+3.69%) | 4,700 |
| 26 Jun 1981 | USD | 20.376 | 20.628 | 20 | 20.376 | 2.547 | -0.124 (-0.60%) | 7,500 |
| 25 Jun 1981 | USD | 20.5 | 20.752 | 20.252 | 20.5 | 2.5625 | -0.252 (-1.21%) | 2,400 |
| 24 Jun 1981 | USD | 20.752 | 20.752 | 20.5 | 20.752 | 2.594 | +0.5 (+2.47%) | 800 |
| 23 Jun 1981 | USD | 20.252 | 20.252 | 20.128 | 20.252 | 2.5315 | -0.124 (-0.61%) | 300 |
| 22 Jun 1981 | USD | 20.376 | 20.628 | 20 | 20.376 | 2.547 | -0.624 (-2.97%) | 6,500 |
| 19 Jun 1981 | USD | 21 | 21 | 20.128 | 21 | 2.625 | +0.624 (+3.06%) | 3,300 |
| 18 Jun 1981 | USD | 20.376 | 20.628 | 20.128 | 20.376 | 2.547 | +0.248 (+1.23%) | 4,400 |
| 17 Jun 1981 | USD | 20.128 | 20.252 | 19.752 | 20.128 | 2.516 | -0.124 (-0.61%) | 3,200 |
| 16 Jun 1981 | USD | 20.252 | 20.252 | 19.876 | 20.252 | 2.5315 | +0.752 (+3.86%) | 2,700 |
| 15 Jun 1981 | USD | 19.5 | 19.752 | 19.252 | 19.5 | 2.4375 | +0.5 (+2.63%) | 2,100 |
| 12 Jun 1981 | USD | 19 | 19.252 | 19 | 19 | 2.375 | 0.0 (0.0%) | 600 |
| 11 Jun 1981 | USD | 19 | 19.128 | 19 | 19 | 2.375 | -0.128 (-0.67%) | 1,000 |
