| Date | Currency | Open | High | Low | Close | A.Close | Day Change | Volume |
|---|---|---|---|---|---|---|---|---|
| 29 Sep 1980 | USD | 5.625 | 5.875 | 5.625 | 5.625 | 5.625 | -0.25 (-4.26%) | 14,000 |
| 26 Sep 1980 | USD | 5.875 | 6.125 | 5.875 | 5.875 | 5.875 | -0.125 (-2.08%) | 39,000 |
| 25 Sep 1980 | USD | 6 | 6.125 | 6 | 6 | 6 | -0.25 (-4%) | 28,600 |
| 24 Sep 1980 | USD | 6.25 | 6.375 | 6.25 | 6.25 | 6.25 | -0.125 (-1.96%) | 44,500 |
| 23 Sep 1980 | USD | 6.375 | 6.5 | 6.375 | 6.375 | 6.375 | -0.25 (-3.77%) | 41,200 |
| 22 Sep 1980 | USD | 6.625 | 6.75 | 6.625 | 6.625 | 6.625 | 0.0 (0.0%) | 22,400 |
| 19 Sep 1980 | USD | 6.625 | 6.75 | 6.625 | 6.625 | 6.625 | 0.0 (0.0%) | 24,000 |
| 18 Sep 1980 | USD | 6.625 | 6.75 | 6.625 | 6.625 | 6.625 | 0.0 (0.0%) | 56,900 |
| 17 Sep 1980 | USD | 6.625 | 6.875 | 6.625 | 6.625 | 6.625 | 0.0 (0.0%) | 54,600 |
| 16 Sep 1980 | USD | 6.625 | 6.75 | 6.625 | 6.625 | 6.625 | +0.125 (+1.92%) | 27,300 |
| 15 Sep 1980 | USD | 6.5 | 6.625 | 6.5 | 6.5 | 6.5 | -0.125 (-1.89%) | 42,400 |
| 12 Sep 1980 | USD | 6.625 | 6.875 | 6.625 | 6.625 | 6.625 | -0.5 (-7.02%) | 55,700 |
| 11 Sep 1980 | USD | 7.125 | 7.25 | 7.125 | 7.125 | 7.125 | 0.0 (0.0%) | 174,600 |
| 10 Sep 1980 | USD | 7.125 | 7.25 | 7.125 | 7.125 | 7.125 | +1.375 (+23.91%) | 320,500 |
| 9 Sep 1980 | USD | 5.75 | 5.875 | 5.75 | 5.75 | 5.75 | +0.125 (+2.22%) | 294,000 |
| 8 Sep 1980 | USD | 5.625 | 5.75 | 5.625 | 5.625 | 5.625 | -0.25 (-4.26%) | 19,400 |
| 5 Sep 1980 | USD | 5.875 | 6 | 5.875 | 5.875 | 5.875 | +0.125 (+2.17%) | 28,700 |
| 4 Sep 1980 | USD | 5.75 | 6 | 5.75 | 5.75 | 5.75 | -0.5 (-8%) | 62,100 |
| 3 Sep 1980 | USD | 6.25 | 6.375 | 6.25 | 6.25 | 6.25 | +0.25 (+4.17%) | 37,300 |
| 2 Sep 1980 | USD | 6 | 6.125 | 6 | 6 | 6 | +0.25 (+4.35%) | 40,900 |
| 29 Aug 1980 | USD | 5.75 | 5.875 | 5.75 | 5.75 | 5.75 | 0.0 (0.0%) | 26,300 |
| 28 Aug 1980 | USD | 5.75 | 5.875 | 5.75 | 5.75 | 5.75 | 0.0 (0.0%) | 33,800 |
| 27 Aug 1980 | USD | 5.75 | 6 | 5.75 | 5.75 | 5.75 | -0.125 (-2.13%) | 33,500 |
| 26 Aug 1980 | USD | 5.875 | 6 | 5.875 | 5.875 | 5.875 | +0.125 (+2.17%) | 55,500 |
| 25 Aug 1980 | USD | 5.75 | 5.875 | 5.75 | 5.75 | 5.75 | +0.25 (+4.55%) | 126,400 |
| 22 Aug 1980 | USD | 5.5 | 5.625 | 5.5 | 5.5 | 5.5 | +0.5 (+10%) | 159,200 |
| 21 Aug 1980 | USD | 5 | 5.125 | 5 | 5 | 5 | +0.25 (+5.26%) | 50,500 |
| 20 Aug 1980 | USD | 4.75 | 4.875 | 4.75 | 4.75 | 4.75 | 0.0 (0.0%) | 25,800 |
| 19 Aug 1980 | USD | 4.75 | 4.875 | 4.75 | 4.75 | 4.75 | -0.125 (-2.56%) | 20,000 |
| 18 Aug 1980 | USD | 4.875 | 5 | 4.875 | 4.875 | 4.875 | 0.0 (0.0%) | 24,500 |
