| Date | Currency | Open | High | Low | Close | A.Close | Day Change | Volume |
|---|---|---|---|---|---|---|---|---|
| 10 Dec 1980 | USD | 14 | 14.5 | 14 | 14 | 3,500,000 | -0.5 (-3.45%) | 11,200 |
| 9 Dec 1980 | USD | 14.5 | 14.75 | 14.5 | 14.5 | 3,625,000 | +0.25 (+1.75%) | 5,800 |
| 8 Dec 1980 | USD | 14.25 | 14.75 | 14.25 | 14.25 | 3,562,500 | -0.5 (-3.39%) | 16,300 |
| 5 Dec 1980 | USD | 14.75 | 15 | 14.75 | 14.75 | 3,687,500 | 0.0 (0.0%) | 4,500 |
| 4 Dec 1980 | USD | 14.75 | 15 | 14.75 | 14.75 | 3,687,500 | -0.5 (-3.28%) | 6,200 |
| 3 Dec 1980 | USD | 15.25 | 15.5 | 15.25 | 15.25 | 3,812,500 | +0.25 (+1.67%) | 13,200 |
| 2 Dec 1980 | USD | 15 | 15.25 | 15 | 15 | 3,750,000 | -0.25 (-1.64%) | 28,100 |
| 1 Dec 1980 | USD | 15.25 | 15.75 | 15.25 | 15.25 | 3,812,500 | -1.25 (-7.58%) | 12,700 |
| 28 Nov 1980 | USD | 16.5 | 16.75 | 16.5 | 16.5 | 4,125,000 | 0.0 (0.0%) | 5,600 |
| 27 Nov 1980 | USD | 16.5 | 16.5 | 16.5 | 16.5 | 4,125,000 | 0.0 (0.0%) | 0 |
| 26 Nov 1980 | USD | 16.5 | 16.75 | 16.5 | 16.5 | 4,125,000 | 0.0 (0.0%) | 12,400 |
| 25 Nov 1980 | USD | 16.5 | 17 | 16.5 | 16.5 | 4,125,000 | -0.25 (-1.49%) | 7,100 |
| 24 Nov 1980 | USD | 16.75 | 17.25 | 16.75 | 16.75 | 4,187,500 | -0.5 (-2.90%) | 26,200 |
| 21 Nov 1980 | USD | 17.25 | 17.5 | 17.25 | 17.25 | 4,312,500 | -0.25 (-1.43%) | 16,900 |
| 20 Nov 1980 | USD | 17.5 | 17.75 | 17.5 | 17.5 | 4,375,000 | 0.0 (0.0%) | 35,200 |
| 19 Nov 1980 | USD | 17.5 | 17.75 | 17.5 | 17.5 | 4,375,000 | 0.0 (0.0%) | 33,200 |
| 18 Nov 1980 | USD | 17.5 | 18 | 17.5 | 17.5 | 4,375,000 | +0.25 (+1.45%) | 31,800 |
| 17 Nov 1980 | USD | 17.25 | 17.5 | 17.25 | 17.25 | 4,312,500 | +0.75 (+4.55%) | 39,500 |
| 14 Nov 1980 | USD | 16.5 | 16.75 | 16.5 | 16.5 | 4,125,000 | +1.25 (+8.20%) | 27,900 |
| 13 Nov 1980 | USD | 15.25 | 15.5 | 15.25 | 15.25 | 3,812,500 | +0.5 (+3.39%) | 65,100 |
| 12 Nov 1980 | USD | 14.75 | 15 | 14.75 | 14.75 | 3,687,500 | +0.5 (+3.51%) | 19,700 |
| 11 Nov 1980 | USD | 14.25 | 14.75 | 14.25 | 14.25 | 3,562,500 | -0.75 (-5%) | 22,900 |
| 10 Nov 1980 | USD | 15 | 15.25 | 15 | 15 | 3,750,000 | 0.0 (0.0%) | 6,300 |
| 7 Nov 1980 | USD | 15 | 15.5 | 15 | 15 | 3,750,000 | 0.0 (0.0%) | 7,600 |
| 6 Nov 1980 | USD | 15 | 15.5 | 15 | 15 | 3,750,000 | -0.25 (-1.64%) | 14,800 |
| 5 Nov 1980 | USD | 15.25 | 15.5 | 15.25 | 15.25 | 3,812,500 | +0.25 (+1.67%) | 14,200 |
| 4 Nov 1980 | USD | 15 | 15 | 15 | 15 | 3,750,000 | 0.0 (0.0%) | 0 |
| 3 Nov 1980 | USD | 15 | 15.25 | 15 | 15 | 3,750,000 | 0.0 (0.0%) | 17,000 |
| 31 Oct 1980 | USD | 15 | 15.25 | 15 | 15 | 3,750,000 | 0.0 (0.0%) | 12,400 |
| 30 Oct 1980 | USD | 15 | 15.5 | 15 | 15 | 3,750,000 | 0.0 (0.0%) | 13,100 |
