| Date | Currency | Open | High | Low | Close | A.Close | Day Change | Volume |
|---|---|---|---|---|---|---|---|---|
| 12 Mar 1981 | USD | 17.875 | 18 | 17.875 | 17.875 | 4.4688 | +0.375 (+2.14%) | 23,600 |
| 11 Mar 1981 | USD | 17.5 | 17.75 | 17.5 | 17.5 | 4.375 | -0.375 (-2.10%) | 14,200 |
| 10 Mar 1981 | USD | 17.875 | 18.125 | 17.875 | 17.875 | 4.4688 | -0.125 (-0.69%) | 36,000 |
| 9 Mar 1981 | USD | 18 | 18.25 | 18 | 18 | 4.5 | 0.0 (0.0%) | 8,000 |
| 6 Mar 1981 | USD | 18 | 18.25 | 18 | 18 | 4.5 | 0.0 (0.0%) | 14,300 |
| 5 Mar 1981 | USD | 18 | 18.125 | 18 | 18 | 4.5 | +0.5 (+2.86%) | 27,300 |
| 4 Mar 1981 | USD | 17.5 | 17.75 | 17.5 | 17.5 | 4.375 | -0.5 (-2.78%) | 47,400 |
| 3 Mar 1981 | USD | 18 | 18.125 | 18 | 18 | 4.5 | 0.0 (0.0%) | 48,200 |
| 2 Mar 1981 | USD | 18 | 18.125 | 18 | 18 | 4.5 | +0.5 (+2.86%) | 52,000 |
| 27 Feb 1981 | USD | 17.5 | 17.75 | 17.5 | 17.5 | 4.375 | +0.625 (+3.70%) | 52,200 |
| 26 Feb 1981 | USD | 16.875 | 17 | 16.875 | 16.875 | 4.2188 | +0.75 (+4.65%) | 41,300 |
| 25 Feb 1981 | USD | 16.125 | 16.25 | 16.125 | 16.125 | 4.0312 | +0.125 (+0.78%) | 37,600 |
| 24 Feb 1981 | USD | 16 | 16.125 | 16 | 16 | 4 | +0.75 (+4.92%) | 43,400 |
| 23 Feb 1981 | USD | 15.25 | 15.375 | 15.25 | 15.25 | 3.8125 | -0.25 (-1.61%) | 13,800 |
| 20 Feb 1981 | USD | 15.5 | 15.625 | 15.5 | 15.5 | 3.875 | +0.125 (+0.81%) | 57,800 |
| 19 Feb 1981 | USD | 15.375 | 15.625 | 15.375 | 15.375 | 3.8438 | -0.375 (-2.38%) | 45,700 |
| 18 Feb 1981 | USD | 15.75 | 16 | 15.75 | 15.75 | 3.9375 | +0.125 (+0.80%) | 27,400 |
| 17 Feb 1981 | USD | 15.625 | 15.875 | 15.625 | 15.625 | 3.9062 | -0.125 (-0.79%) | 28,400 |
| 16 Feb 1981 | USD | 15.75 | 15.75 | 15.75 | 15.75 | 3.9375 | 0.0 (0.0%) | 0 |
| 13 Feb 1981 | USD | 15.75 | 15.875 | 15.75 | 15.75 | 3.9375 | +0.125 (+0.80%) | 40,700 |
| 12 Feb 1981 | USD | 15.625 | 15.875 | 15.625 | 15.625 | 3.9062 | -0.75 (-4.58%) | 36,500 |
| 11 Feb 1981 | USD | 16.375 | 16.5 | 16.375 | 16.375 | 4.0938 | -0.375 (-2.24%) | 42,200 |
| 10 Feb 1981 | USD | 16.75 | 16.875 | 16.75 | 16.75 | 4.1875 | -0.125 (-0.74%) | 20,700 |
| 9 Feb 1981 | USD | 16.875 | 17.125 | 16.875 | 16.875 | 4.2188 | -0.375 (-2.17%) | 37,100 |
| 6 Feb 1981 | USD | 17.25 | 17.375 | 17.25 | 17.25 | 4.3125 | 0.0 (0.0%) | 28,400 |
| 5 Feb 1981 | USD | 17.25 | 17.375 | 17.25 | 17.25 | 4.3125 | +0.375 (+2.22%) | 26,400 |
| 4 Feb 1981 | USD | 16.875 | 17.125 | 16.875 | 16.875 | 4.2188 | 0.0 (0.0%) | 139,100 |
| 3 Feb 1981 | USD | 16.875 | 17 | 16.875 | 16.875 | 4.2188 | -0.5 (-2.88%) | 61,100 |
| 2 Feb 1981 | USD | 17.375 | 17.625 | 17.375 | 17.375 | 4.3438 | -0.625 (-3.47%) | 26,600 |
| 30 Jan 1981 | USD | 18 | 18.375 | 18 | 18 | 4.5 | 0.0 (0.0%) | 48,100 |
