| Date | Currency | Open | High | Low | Close | A.Close | Day Change | Volume |
|---|---|---|---|---|---|---|---|---|
| 25 Aug 1981 | USD | 14.5 | 14.75 | 14.5 | 14.5 | 3,625,000 | +1.75 (+13.73%) | 25,800 |
| 24 Aug 1981 | USD | 12.75 | 13.25 | 12.75 | 12.75 | 3,187,500 | -1.5 (-10.53%) | 19,600 |
| 21 Aug 1981 | USD | 14.25 | 14.75 | 14.25 | 14.25 | 3,562,500 | -0.25 (-1.72%) | 4,300 |
| 20 Aug 1981 | USD | 14.5 | 15 | 14.5 | 14.5 | 3,625,000 | -0.75 (-4.92%) | 6,000 |
| 19 Aug 1981 | USD | 15.25 | 15.5 | 15.25 | 15.25 | 3,812,500 | +0.25 (+1.67%) | 7,500 |
| 18 Aug 1981 | USD | 15 | 15.25 | 15 | 15 | 3,750,000 | 0.0 (0.0%) | 6,200 |
| 17 Aug 1981 | USD | 15 | 15.25 | 15 | 15 | 3,750,000 | +0.5 (+3.45%) | 8,800 |
| 14 Aug 1981 | USD | 14.5 | 15.25 | 14.5 | 14.5 | 3,625,000 | -0.25 (-1.69%) | 9,000 |
| 13 Aug 1981 | USD | 14.75 | 15.25 | 14.75 | 14.75 | 3,687,500 | -0.25 (-1.67%) | 18,700 |
| 12 Aug 1981 | USD | 15 | 15.5 | 15 | 15 | 3,750,000 | -0.25 (-1.64%) | 3,100 |
| 11 Aug 1981 | USD | 15.25 | 15.75 | 15.25 | 15.25 | 3,812,500 | -0.5 (-3.17%) | 7,000 |
| 10 Aug 1981 | USD | 15.75 | 15.75 | 15.75 | 15.75 | 3,937,500 | 0.0 (0.0%) | 0 |
| 7 Aug 1981 | USD | 15.75 | 16.25 | 15.75 | 15.75 | 3,937,500 | 0.0 (0.0%) | 3,700 |
| 6 Aug 1981 | USD | 15.75 | 16 | 15.75 | 15.75 | 3,937,500 | -0.25 (-1.56%) | 2,200 |
| 5 Aug 1981 | USD | 16 | 16.25 | 16 | 16 | 4,000,000 | 0.0 (0.0%) | 1,900 |
| 4 Aug 1981 | USD | 16 | 16.25 | 16 | 16 | 4,000,000 | 0.0 (0.0%) | 5,900 |
| 3 Aug 1981 | USD | 16 | 16.5 | 16 | 16 | 4,000,000 | -1 (-5.88%) | 16,700 |
| 31 Jul 1981 | USD | 17 | 17.25 | 17 | 17 | 4,250,000 | +1 (+6.25%) | 28,000 |
| 30 Jul 1981 | USD | 16 | 16.25 | 16 | 16 | 4,000,000 | +1.25 (+8.47%) | 29,000 |
| 29 Jul 1981 | USD | 14.75 | 15 | 14.75 | 14.75 | 3,687,500 | +0.75 (+5.36%) | 18,200 |
| 28 Jul 1981 | USD | 14 | 14.5 | 14 | 14 | 3,500,000 | -0.75 (-5.08%) | 8,100 |
| 27 Jul 1981 | USD | 14.75 | 15.25 | 14.75 | 14.75 | 3,687,500 | -0.75 (-4.84%) | 10,700 |
| 24 Jul 1981 | USD | 15.5 | 16 | 15.5 | 15.5 | 3,875,000 | 0.0 (0.0%) | 6,800 |
| 23 Jul 1981 | USD | 15.5 | 16 | 15.5 | 15.5 | 3,875,000 | -1 (-6.06%) | 3,900 |
| 22 Jul 1981 | USD | 16.5 | 17 | 16.5 | 16.5 | 4,125,000 | -0.25 (-1.49%) | 3,200 |
| 21 Jul 1981 | USD | 16.75 | 17.25 | 16.75 | 16.75 | 4,187,500 | 0.0 (0.0%) | 5,900 |
| 20 Jul 1981 | USD | 16.75 | 17.25 | 16.75 | 16.75 | 4,187,500 | -1 (-5.63%) | 14,700 |
| 17 Jul 1981 | USD | 17.75 | 18.25 | 17.75 | 17.75 | 4,437,500 | 0.0 (0.0%) | 7,300 |
| 16 Jul 1981 | USD | 17.75 | 18 | 17.75 | 17.75 | 4,437,500 | +0.25 (+1.43%) | 4,500 |
| 15 Jul 1981 | USD | 17.5 | 17.75 | 17.5 | 17.5 | 4,375,000 | +0.25 (+1.45%) | 11,600 |
