| Date | Currency | Open | High | Low | Close | A.Close | Day Change | Volume |
|---|---|---|---|---|---|---|---|---|
| 2 Sep 1981 | USD | 19.75 | 19.876 | 19.75 | 19.75 | 1.2344 | -0.126 (-0.63%) | 8,500 |
| 1 Sep 1981 | USD | 19.876 | 20 | 19.876 | 19.876 | 1.2423 | -0.374 (-1.85%) | 11,700 |
| 31 Aug 1981 | USD | 20.25 | 20.376 | 20.25 | 20.25 | 1.2656 | -0.25 (-1.22%) | 29,300 |
| 28 Aug 1981 | USD | 20.5 | 20.626 | 20.5 | 20.5 | 1.2812 | 0.0 (0.0%) | 7,500 |
| 27 Aug 1981 | USD | 20.5 | 20.75 | 20.5 | 20.5 | 1.2812 | -0.25 (-1.20%) | 13,100 |
| 26 Aug 1981 | USD | 20.75 | 21 | 20.75 | 20.75 | 1.2969 | 0.0 (0.0%) | 14,200 |
| 25 Aug 1981 | USD | 20.75 | 21 | 20.75 | 20.75 | 1.2969 | -0.5 (-2.35%) | 20,600 |
| 24 Aug 1981 | USD | 21.25 | 21.5 | 21.25 | 21.25 | 1.3281 | -0.75 (-3.41%) | 34,900 |
| 21 Aug 1981 | USD | 22 | 22.25 | 22 | 22 | 1.375 | +0.124 (+0.57%) | 98,300 |
| 20 Aug 1981 | USD | 21.876 | 22 | 21.876 | 21.876 | 1.3673 | +0.126 (+0.58%) | 40,800 |
| 19 Aug 1981 | USD | 21.75 | 21.876 | 21.75 | 21.75 | 1.3594 | 0.0 (0.0%) | 13,600 |
| 18 Aug 1981 | USD | 21.75 | 22 | 21.75 | 21.75 | 1.3594 | -0.25 (-1.14%) | 37,500 |
| 17 Aug 1981 | USD | 22 | 22.126 | 22 | 22 | 1.375 | 0.0 (0.0%) | 23,100 |
| 14 Aug 1981 | USD | 22 | 22.126 | 22 | 22 | 1.375 | +0.124 (+0.57%) | 15,800 |
| 13 Aug 1981 | USD | 21.876 | 22 | 21.876 | 21.876 | 1.3673 | 0.0 (0.0%) | 11,600 |
| 12 Aug 1981 | USD | 21.876 | 22.126 | 21.876 | 21.876 | 1.3673 | 0.0 (0.0%) | 14,800 |
| 11 Aug 1981 | USD | 21.876 | 22.126 | 21.876 | 21.876 | 1.3673 | 0.0 (0.0%) | 36,000 |
| 10 Aug 1981 | USD | 21.876 | 21.876 | 21.876 | 21.876 | 1.3673 | 0.0 (0.0%) | 0 |
| 7 Aug 1981 | USD | 21.876 | 22.126 | 21.876 | 21.876 | 1.3673 | -0.124 (-0.56%) | 28,700 |
| 6 Aug 1981 | USD | 22 | 22.25 | 22 | 22 | 1.375 | 0.0 (0.0%) | 33,200 |
| 5 Aug 1981 | USD | 22 | 22.25 | 22 | 22 | 1.375 | +0.374 (+1.73%) | 31,300 |
| 4 Aug 1981 | USD | 21.626 | 21.876 | 21.626 | 21.626 | 1.3516 | -0.124 (-0.57%) | 116,100 |
| 3 Aug 1981 | USD | 21.75 | 21.876 | 21.75 | 21.75 | 1.3594 | 0.0 (0.0%) | 29,800 |
| 31 Jul 1981 | USD | 21.75 | 22 | 21.75 | 21.75 | 1.3594 | 0.0 (0.0%) | 11,100 |
| 30 Jul 1981 | USD | 21.75 | 22 | 21.75 | 21.75 | 1.3594 | 0.0 (0.0%) | 31,600 |
| 29 Jul 1981 | USD | 21.75 | 22 | 21.75 | 21.75 | 1.3594 | 0.0 (0.0%) | 7,300 |
| 28 Jul 1981 | USD | 21.75 | 22 | 21.75 | 21.75 | 1.3594 | +0.624 (+2.95%) | 24,200 |
| 27 Jul 1981 | USD | 21.126 | 21.5 | 21.126 | 21.126 | 1.3204 | 0.0 (0.0%) | 7,200 |
| 24 Jul 1981 | USD | 21.126 | 21.25 | 21.126 | 21.126 | 1.3204 | +0.25 (+1.20%) | 9,700 |
| 23 Jul 1981 | USD | 20.876 | 21.126 | 20.876 | 20.876 | 1.3048 | +0.25 (+1.21%) | 13,800 |
