| Date | Currency | Open | High | Low | Close | A.Close | Day Change | Volume |
|---|---|---|---|---|---|---|---|---|
| 26 Aug 1981 | USD | 38 | 38.75 | 37.625 | 38 | 475 | -0.625 (-1.62%) | 185,000 |
| 25 Aug 1981 | USD | 38.625 | 38.875 | 38.25 | 38.625 | 482.8125 | -0.625 (-1.59%) | 87,100 |
| 24 Aug 1981 | USD | 39.25 | 41.125 | 39.25 | 39.25 | 490.625 | -2 (-4.85%) | 79,000 |
| 21 Aug 1981 | USD | 41.25 | 42 | 41.25 | 41.25 | 515.625 | -0.375 (-0.90%) | 107,400 |
| 20 Aug 1981 | USD | 41.625 | 42 | 41.5 | 41.625 | 520.3125 | -0.125 (-0.30%) | 76,000 |
| 19 Aug 1981 | USD | 41.75 | 42 | 41.125 | 41.75 | 521.875 | +0.25 (+0.60%) | 74,500 |
| 18 Aug 1981 | USD | 41.5 | 42.25 | 41.25 | 41.5 | 518.75 | -0.875 (-2.06%) | 63,400 |
| 17 Aug 1981 | USD | 42.375 | 42.375 | 41.875 | 42.375 | 529.6875 | +0.5 (+1.19%) | 151,400 |
| 14 Aug 1981 | USD | 41.875 | 43.125 | 41.625 | 41.875 | 523.4375 | -1 (-2.33%) | 141,200 |
| 13 Aug 1981 | USD | 42.875 | 43.125 | 42.75 | 42.875 | 535.9375 | +0.125 (+0.29%) | 107,700 |
| 12 Aug 1981 | USD | 42.75 | 43.625 | 42.75 | 42.75 | 534.375 | -0.25 (-0.58%) | 192,800 |
| 11 Aug 1981 | USD | 43 | 43.5 | 42.625 | 43 | 537.5 | +1.25 (+2.99%) | 330,500 |
| 10 Aug 1981 | USD | 41.75 | 42 | 40 | 41.75 | 521.875 | +0.875 (+2.14%) | 441,500 |
| 7 Aug 1981 | USD | 40.875 | 41.375 | 40.625 | 40.875 | 510.9375 | +0.25 (+0.62%) | 305,300 |
| 6 Aug 1981 | USD | 40.625 | 41.5 | 39 | 40.625 | 507.8125 | +1.875 (+4.84%) | 290,100 |
| 5 Aug 1981 | USD | 38.75 | 38.75 | 38 | 38.75 | 484.375 | +0.75 (+1.97%) | 222,500 |
| 4 Aug 1981 | USD | 38 | 38.25 | 37.875 | 38 | 475 | -0.375 (-0.98%) | 96,300 |
| 3 Aug 1981 | USD | 38.375 | 39.125 | 38 | 38.375 | 479.6875 | -0.625 (-1.60%) | 110,600 |
| 31 Jul 1981 | USD | 39 | 39.625 | 39 | 39 | 487.5 | -0.375 (-0.95%) | 72,900 |
| 30 Jul 1981 | USD | 39.375 | 39.5 | 39 | 39.375 | 492.1875 | +0.25 (+0.64%) | 75,200 |
| 29 Jul 1981 | USD | 39.125 | 39.75 | 38.875 | 39.125 | 489.0625 | +0.125 (+0.32%) | 183,600 |
| 28 Jul 1981 | USD | 39 | 39 | 38.5 | 39 | 487.5 | -0.125 (-0.32%) | 98,000 |
| 27 Jul 1981 | USD | 39.125 | 39.25 | 38.625 | 39.125 | 489.0625 | +0.375 (+0.97%) | 108,000 |
| 24 Jul 1981 | USD | 38.75 | 38.875 | 38 | 38.75 | 484.375 | +0.75 (+1.97%) | 87,800 |
| 23 Jul 1981 | USD | 38 | 38.25 | 37.75 | 38 | 475 | 0.0 (0.0%) | 150,700 |
| 22 Jul 1981 | USD | 38 | 39 | 38 | 38 | 475 | -0.25 (-0.65%) | 112,500 |
| 21 Jul 1981 | USD | 38.25 | 39 | 38.25 | 38.25 | 478.125 | 0.0 (0.0%) | 74,400 |
| 20 Jul 1981 | USD | 38.25 | 39 | 38.25 | 38.25 | 478.125 | -0.875 (-2.24%) | 58,500 |
| 17 Jul 1981 | USD | 39.125 | 39.625 | 39 | 39.125 | 489.0625 | -0.5 (-1.26%) | 123,300 |
| 16 Jul 1981 | USD | 39.625 | 40.25 | 39.625 | 39.625 | 495.3125 | +0.125 (+0.32%) | 81,200 |
