| Date | Currency | Open | High | Low | Close | A.Close | Day Change | Volume |
|---|---|---|---|---|---|---|---|---|
| 4 Jun 1981 | USD | 25.5 | 26 | 25.5 | 25.5 | 4.25 | 0.0 (0.0%) | 900 |
| 3 Jun 1981 | USD | 25.5 | 26 | 25.5 | 25.5 | 4.25 | 0.0 (0.0%) | 1,800 |
| 2 Jun 1981 | USD | 25.5 | 26 | 25.5 | 25.5 | 4.25 | +0.5 (+2%) | 1,500 |
| 1 Jun 1981 | USD | 25 | 25.5 | 25 | 25 | 4.1667 | +0.5 (+2.04%) | 1,800 |
| 29 May 1981 | USD | 24.5 | 25 | 24.5 | 24.5 | 4.0833 | 0.0 (0.0%) | 400 |
| 28 May 1981 | USD | 24.5 | 25 | 24.5 | 24.5 | 4.0833 | 0.0 (0.0%) | 1,100 |
| 27 May 1981 | USD | 24.5 | 25 | 24.5 | 24.5 | 4.0833 | 0.0 (0.0%) | 900 |
| 26 May 1981 | USD | 24.5 | 25 | 24.5 | 24.5 | 4.0833 | 0.0 (0.0%) | 400 |
| 25 May 1981 | USD | 24.5 | 24.5 | 24.5 | 24.5 | 4.0833 | 0.0 (0.0%) | 0 |
| 22 May 1981 | USD | 24.5 | 25 | 24.5 | 24.5 | 4.0833 | 0.0 (0.0%) | 500 |
| 21 May 1981 | USD | 24.5 | 25 | 24.5 | 24.5 | 4.0833 | 0.0 (0.0%) | 500 |
| 20 May 1981 | USD | 24.5 | 25 | 24.5 | 24.5 | 4.0833 | 0.0 (0.0%) | 500 |
| 19 May 1981 | USD | 24.5 | 25 | 24.5 | 24.5 | 4.0833 | 0.0 (0.0%) | 1,700 |
| 18 May 1981 | USD | 24.5 | 25 | 24.5 | 24.5 | 4.0833 | +0.75 (+3.16%) | 2,900 |
| 15 May 1981 | USD | 23.75 | 24.5 | 23.75 | 23.75 | 3.9583 | 0.0 (0.0%) | 100 |
| 14 May 1981 | USD | 23.75 | 24.25 | 23.75 | 23.75 | 3.9583 | +0.25 (+1.06%) | 1,300 |
| 13 May 1981 | USD | 23.5 | 24 | 23.5 | 23.5 | 3.9167 | +0.25 (+1.08%) | 1,700 |
| 12 May 1981 | USD | 23.25 | 23.75 | 23.25 | 23.25 | 3.875 | 0.0 (0.0%) | 2,400 |
| 11 May 1981 | USD | 23.25 | 23.75 | 23.25 | 23.25 | 3.875 | 0.0 (0.0%) | 300 |
| 8 May 1981 | USD | 23.25 | 23.75 | 23.25 | 23.25 | 3.875 | -0.25 (-1.06%) | 1,500 |
| 7 May 1981 | USD | 23.5 | 24 | 23.5 | 23.5 | 3.9167 | 0.0 (0.0%) | 2,400 |
| 6 May 1981 | USD | 23.5 | 24 | 23.5 | 23.5 | 3.9167 | 0.0 (0.0%) | 100 |
| 5 May 1981 | USD | 23.5 | 24 | 23.5 | 23.5 | 3.9167 | -0.25 (-1.05%) | 2,300 |
| 4 May 1981 | USD | 23.75 | 24.5 | 23.75 | 23.75 | 3.9583 | -0.5 (-2.06%) | 1,300 |
| 1 May 1981 | USD | 24.25 | 24.75 | 24.25 | 24.25 | 4.0417 | -0.5 (-2.02%) | 1,700 |
| 30 Apr 1981 | USD | 24.75 | 25.25 | 24.75 | 24.75 | 4.125 | -0.25 (-1%) | 1,000 |
| 29 Apr 1981 | USD | 25 | 25.75 | 25 | 25 | 4.1667 | -0.75 (-2.91%) | 2,500 |
| 28 Apr 1981 | USD | 25.75 | 26.25 | 25.75 | 25.75 | 4.2917 | 0.0 (0.0%) | 400 |
| 27 Apr 1981 | USD | 25.75 | 26.5 | 25.75 | 25.75 | 4.2917 | -0.25 (-0.96%) | 800 |
| 24 Apr 1981 | USD | 26 | 26.5 | 26 | 26 | 4.3333 | 0.0 (0.0%) | 100 |
