| Date | Currency | Open | High | Low | Close | A.Close | Day Change | Volume |
|---|---|---|---|---|---|---|---|---|
| 22 Sep 1980 | USD | 0.781 | 0.844 | 0.781 | 0.781 | 78.1 | +0.093 (+13.52%) | 390,300 |
| 19 Sep 1980 | USD | 0.688 | 0.781 | 0.688 | 0.688 | 68.8 | +0.032 (+4.88%) | 204,700 |
| 18 Sep 1980 | USD | 0.656 | 0.688 | 0.656 | 0.656 | 65.6 | +0.062 (+10.44%) | 171,800 |
| 17 Sep 1980 | USD | 0.594 | 0.656 | 0.594 | 0.594 | 59.4 | -0.031 (-4.96%) | 177,900 |
| 16 Sep 1980 | USD | 0.625 | 0.688 | 0.625 | 0.625 | 62.5 | -0.063 (-9.16%) | 307,400 |
| 15 Sep 1980 | USD | 0.688 | 0.719 | 0.688 | 0.688 | 68.8 | 0.0 (0.0%) | 346,800 |
| 12 Sep 1980 | USD | 0.688 | 0.75 | 0.688 | 0.688 | 68.8 | +0.063 (+10.08%) | 340,800 |
| 11 Sep 1980 | USD | 0.625 | 0.656 | 0.625 | 0.625 | 62.5 | 0.0 (0.0%) | 230,500 |
| 10 Sep 1980 | USD | 0.625 | 0.688 | 0.625 | 0.625 | 62.5 | +0.062 (+11.01%) | 636,500 |
| 9 Sep 1980 | USD | 0.563 | 0.625 | 0.563 | 0.563 | 56.3 | -0.031 (-5.22%) | 461,800 |
| 8 Sep 1980 | USD | 0.594 | 0.625 | 0.594 | 0.594 | 59.4 | +0.094 (+18.80%) | 467,000 |
| 5 Sep 1980 | USD | 0.5 | 0.563 | 0.5 | 0.5 | 50 | 0.0 (0.0%) | 155,000 |
| 4 Sep 1980 | USD | 0.5 | 0.531 | 0.5 | 0.5 | 50 | 0.0 (0.0%) | 148,600 |
| 3 Sep 1980 | USD | 0.5 | 0.531 | 0.5 | 0.5 | 50 | 0.0 (0.0%) | 242,400 |
| 2 Sep 1980 | USD | 0.5 | 0.531 | 0.5 | 0.5 | 50 | +0.062 (+14.16%) | 110,800 |
| 29 Aug 1980 | USD | 0.438 | 0.5 | 0.438 | 0.438 | 43.8 | 0.0 (0.0%) | 61,200 |
| 28 Aug 1980 | USD | 0.438 | 0.469 | 0.438 | 0.438 | 43.8 | 0.0 (0.0%) | 72,100 |
| 27 Aug 1980 | USD | 0.438 | 0.469 | 0.438 | 0.438 | 43.8 | 0.0 (0.0%) | 53,900 |
| 26 Aug 1980 | USD | 0.438 | 0.469 | 0.438 | 0.438 | 43.8 | -0.031 (-6.61%) | 86,900 |
| 25 Aug 1980 | USD | 0.469 | 0.5 | 0.469 | 0.469 | 46.9 | 0.0 (0.0%) | 132,600 |
| 22 Aug 1980 | USD | 0.469 | 0.5 | 0.469 | 0.469 | 46.9 | +0.031 (+7.08%) | 95,700 |
| 21 Aug 1980 | USD | 0.438 | 0.469 | 0.438 | 0.438 | 43.8 | 0.0 (0.0%) | 129,400 |
| 20 Aug 1980 | USD | 0.438 | 0.469 | 0.438 | 0.438 | 43.8 | +0.063 (+16.80%) | 160,800 |
| 19 Aug 1980 | USD | 0.375 | 0.438 | 0.375 | 0.375 | 37.5 | -0.031 (-7.64%) | 93,100 |
| 18 Aug 1980 | USD | 0.406 | 0.469 | 0.406 | 0.406 | 40.6 | -0.032 (-7.31%) | 30,400 |
| 15 Aug 1980 | USD | 0.438 | 0.5 | 0.438 | 0.438 | 43.8 | 0.0 (0.0%) | 24,800 |
| 14 Aug 1980 | USD | 0.438 | 0.5 | 0.438 | 0.438 | 43.8 | 0.0 (0.0%) | 125,600 |
| 13 Aug 1980 | USD | 0.438 | 0.469 | 0.438 | 0.438 | 43.8 | 0.0 (0.0%) | 36,900 |
| 12 Aug 1980 | USD | 0.438 | 0.5 | 0.438 | 0.438 | 43.8 | -0.062 (-12.40%) | 176,100 |
| 11 Aug 1980 | USD | 0.5 | 0.531 | 0.5 | 0.5 | 50 | 0.0 (0.0%) | 81,200 |
