| Date | Currency | Open | High | Low | Close | A.Close | Day Change | Volume |
|---|---|---|---|---|---|---|---|---|
| 27 Aug 1981 | USD | 20.376 | 20.752 | 20.376 | 20.376 | 1.9883 | -0.124 (-0.60%) | 700 |
| 26 Aug 1981 | USD | 20.5 | 20.5 | 20.5 | 20.5 | 2.0004 | 0.0 (0.0%) | 0 |
| 25 Aug 1981 | USD | 20.5 | 20.876 | 20.5 | 20.5 | 2.0004 | 0.0 (0.0%) | 300 |
| 24 Aug 1981 | USD | 20.5 | 20.876 | 20.5 | 20.5 | 2.0004 | 0.0 (0.0%) | 3,300 |
| 21 Aug 1981 | USD | 20.5 | 20.876 | 20.5 | 20.5 | 2.0004 | 0.0 (0.0%) | 300 |
| 20 Aug 1981 | USD | 20.5 | 20.876 | 20.5 | 20.5 | 2.0004 | -0.128 (-0.62%) | 600 |
| 19 Aug 1981 | USD | 20.628 | 20.876 | 20.628 | 20.628 | 2.0129 | -0.124 (-0.60%) | 1,000 |
| 18 Aug 1981 | USD | 20.752 | 21 | 20.752 | 20.752 | 2.025 | 0.0 (0.0%) | 2,000 |
| 17 Aug 1981 | USD | 20.752 | 21.128 | 20.752 | 20.752 | 2.025 | -0.124 (-0.59%) | 2,500 |
| 14 Aug 1981 | USD | 20.876 | 21.128 | 20.876 | 20.876 | 2.0371 | 0.0 (0.0%) | 200 |
| 13 Aug 1981 | USD | 20.876 | 21.128 | 20.876 | 20.876 | 2.0371 | 0.0 (0.0%) | 1,700 |
| 12 Aug 1981 | USD | 20.876 | 21.128 | 20.876 | 20.876 | 2.0371 | 0.0 (0.0%) | 300 |
| 11 Aug 1981 | USD | 20.876 | 21.128 | 20.876 | 20.876 | 2.0371 | 0.0 (0.0%) | 500 |
| 10 Aug 1981 | USD | 20.876 | 20.876 | 20.876 | 20.876 | 2.0371 | 0.0 (0.0%) | 0 |
| 7 Aug 1981 | USD | 20.876 | 20.876 | 20.876 | 20.876 | 2.0371 | 0.0 (0.0%) | 0 |
| 6 Aug 1981 | USD | 20.876 | 20.876 | 20.876 | 20.876 | 2.0371 | 0.0 (0.0%) | 0 |
| 5 Aug 1981 | USD | 20.876 | 21.128 | 20.876 | 20.876 | 2.0371 | 0.0 (0.0%) | 1,100 |
| 4 Aug 1981 | USD | 20.876 | 21.252 | 20.876 | 20.876 | 2.0371 | 0.0 (0.0%) | 1,000 |
| 3 Aug 1981 | USD | 20.876 | 21.252 | 20.876 | 20.876 | 2.0371 | 0.0 (0.0%) | 400 |
| 31 Jul 1981 | USD | 20.876 | 21.252 | 20.876 | 20.876 | 2.0371 | 0.0 (0.0%) | 800 |
| 30 Jul 1981 | USD | 20.876 | 20.876 | 20.876 | 20.876 | 2.0371 | 0.0 (0.0%) | 0 |
| 29 Jul 1981 | USD | 20.876 | 21.252 | 20.876 | 20.876 | 2.0371 | 0.0 (0.0%) | 1,200 |
| 28 Jul 1981 | USD | 20.876 | 21.252 | 20.876 | 20.876 | 2.0371 | 0.0 (0.0%) | 2,400 |
| 27 Jul 1981 | USD | 20.876 | 21.376 | 20.876 | 20.876 | 2.0371 | 0.0 (0.0%) | 400 |
| 24 Jul 1981 | USD | 20.876 | 21.252 | 20.876 | 20.876 | 2.0371 | 0.0 (0.0%) | 300 |
| 23 Jul 1981 | USD | 20.876 | 21.252 | 20.876 | 20.876 | 2.0371 | 0.0 (0.0%) | 500 |
| 22 Jul 1981 | USD | 20.876 | 21.252 | 20.876 | 20.876 | 2.0371 | +0.376 (+1.83%) | 4,200 |
| 21 Jul 1981 | USD | 20.5 | 20.876 | 20.5 | 20.5 | 2.0004 | 0.0 (0.0%) | 1,000 |
| 20 Jul 1981 | USD | 20.5 | 20.876 | 20.5 | 20.5 | 2.0004 | -0.128 (-0.62%) | 2,200 |
| 17 Jul 1981 | USD | 20.628 | 21 | 20.628 | 20.628 | 2.0129 | 0.0 (0.0%) | 300 |
