| Date | Currency | Open | High | Low | Close | A.Close | Day Change | Volume |
|---|---|---|---|---|---|---|---|---|
| 12 Mar 1981 | USD | 18 | 18.252 | 18 | 18 | 1.7564 | +0.5 (+2.86%) | 2,400 |
| 11 Mar 1981 | USD | 17.5 | 17.876 | 17.5 | 17.5 | 1.7077 | +0.372 (+2.17%) | 2,300 |
| 10 Mar 1981 | USD | 17.128 | 17.376 | 17.128 | 17.128 | 1.6714 | -1 (-5.52%) | 3,200 |
| 9 Mar 1981 | USD | 18.128 | 18.5 | 18.128 | 18.128 | 1.7689 | -0.124 (-0.68%) | 100 |
| 6 Mar 1981 | USD | 18.252 | 18.252 | 18.252 | 18.252 | 1.781 | 0.0 (0.0%) | 0 |
| 5 Mar 1981 | USD | 18.252 | 18.252 | 18.252 | 18.252 | 1.781 | 0.0 (0.0%) | 0 |
| 4 Mar 1981 | USD | 18.252 | 18.628 | 18.252 | 18.252 | 1.781 | -0.376 (-2.02%) | 1,600 |
| 3 Mar 1981 | USD | 18.628 | 18.876 | 18.628 | 18.628 | 1.8177 | 0.0 (0.0%) | 100 |
| 2 Mar 1981 | USD | 18.628 | 18.876 | 18.628 | 18.628 | 1.8177 | 0.0 (0.0%) | 200 |
| 27 Feb 1981 | USD | 18.628 | 18.876 | 18.628 | 18.628 | 1.8177 | +0.128 (+0.69%) | 1,000 |
| 26 Feb 1981 | USD | 18.5 | 18.752 | 18.5 | 18.5 | 1.8052 | 0.0 (0.0%) | 1,400 |
| 25 Feb 1981 | USD | 18.5 | 18.752 | 18.5 | 18.5 | 1.8052 | 0.0 (0.0%) | 500 |
| 24 Feb 1981 | USD | 18.5 | 18.752 | 18.5 | 18.5 | 1.8052 | 0.0 (0.0%) | 100 |
| 23 Feb 1981 | USD | 18.5 | 18.752 | 18.5 | 18.5 | 1.8052 | -0.128 (-0.69%) | 2,000 |
| 20 Feb 1981 | USD | 18.628 | 18.876 | 18.628 | 18.628 | 1.8177 | -0.124 (-0.66%) | 200 |
| 19 Feb 1981 | USD | 18.752 | 19 | 18.752 | 18.752 | 1.8298 | -0.124 (-0.66%) | 600 |
| 18 Feb 1981 | USD | 18.876 | 19.128 | 18.876 | 18.876 | 1.8419 | -0.124 (-0.65%) | 3,100 |
| 17 Feb 1981 | USD | 19 | 19.376 | 19 | 19 | 1.854 | 0.0 (0.0%) | 2,300 |
| 16 Feb 1981 | USD | 19 | 19 | 19 | 19 | 1.854 | 0.0 (0.0%) | 0 |
| 13 Feb 1981 | USD | 19 | 19.376 | 19 | 19 | 1.854 | 0.0 (0.0%) | 400 |
| 12 Feb 1981 | USD | 19 | 19.376 | 19 | 19 | 1.854 | 0.0 (0.0%) | 1,100 |
| 11 Feb 1981 | USD | 19 | 19.376 | 19 | 19 | 1.854 | 0.0 (0.0%) | 200 |
| 10 Feb 1981 | USD | 19 | 19.376 | 19 | 19 | 1.854 | 0.0 (0.0%) | 1,400 |
| 9 Feb 1981 | USD | 19 | 19.376 | 19 | 19 | 1.854 | +0.748 (+4.10%) | 2,600 |
| 6 Feb 1981 | USD | 18.252 | 18.628 | 18.252 | 18.252 | 1.781 | 0.0 (0.0%) | 800 |
| 5 Feb 1981 | USD | 18.252 | 18.628 | 18.252 | 18.252 | 1.781 | +0.124 (+0.68%) | 1,500 |
| 4 Feb 1981 | USD | 18.128 | 18.252 | 18.128 | 18.128 | 1.7689 | +0.252 (+1.41%) | 1,800 |
| 3 Feb 1981 | USD | 17.876 | 18.252 | 17.876 | 17.876 | 1.7443 | 0.0 (0.0%) | 1,000 |
| 2 Feb 1981 | USD | 17.876 | 18.252 | 17.876 | 17.876 | 1.7443 | 0.0 (0.0%) | 900 |
| 30 Jan 1981 | USD | 17.876 | 18.252 | 17.876 | 17.876 | 1.7443 | 0.0 (0.0%) | 100 |
