| Date | Currency | Open | High | Low | Close | A.Close | Day Change | Volume |
|---|---|---|---|---|---|---|---|---|
| 8 May 1981 | USD | 19.751 | 19.751 | 19.626 | 19.751 | 31.2115 | +0.375 (+1.94%) | 301 |
| 7 May 1981 | USD | 19.376 | 19.875 | 19.376 | 19.376 | 30.6189 | -0.375 (-1.90%) | 1,301 |
| 6 May 1981 | USD | 19.751 | 20.004 | 19.497 | 19.751 | 31.2115 | +0.254 (+1.30%) | 3,800 |
| 5 May 1981 | USD | 19.497 | 19.497 | 19.126 | 19.497 | 30.8101 | +0.246 (+1.28%) | 1,301 |
| 4 May 1981 | USD | 19.251 | 19.751 | 19.251 | 19.251 | 30.4213 | -0.246 (-1.26%) | 1,000 |
| 1 May 1981 | USD | 19.497 | 19.875 | 19.497 | 19.497 | 30.8101 | -0.507 (-2.53%) | 1,400 |
| 30 Apr 1981 | USD | 20.004 | 20.496 | 20.004 | 20.004 | 31.6113 | 0.0 (0.0%) | 3,200 |
| 29 Apr 1981 | USD | 20.004 | 20.004 | 19.751 | 20.004 | 31.6113 | +0.628 (+3.24%) | 2,301 |
| 28 Apr 1981 | USD | 19.376 | 19.875 | 19.376 | 19.376 | 30.6189 | -0.375 (-1.90%) | 800 |
| 27 Apr 1981 | USD | 19.751 | 19.751 | 19.751 | 19.751 | 31.2115 | 0.0 (0.0%) | 0 |
| 24 Apr 1981 | USD | 19.751 | 20.004 | 19.751 | 19.751 | 31.2115 | -0.124 (-0.62%) | 2,200 |
| 23 Apr 1981 | USD | 19.875 | 19.875 | 19.875 | 19.875 | 31.4074 | +0.124 (+0.63%) | 200 |
| 22 Apr 1981 | USD | 19.751 | 19.751 | 19.497 | 19.751 | 31.2115 | +0.125 (+0.64%) | 200 |
| 21 Apr 1981 | USD | 19.626 | 19.875 | 19.626 | 19.626 | 31.0139 | -0.249 (-1.25%) | 400 |
| 20 Apr 1981 | USD | 19.875 | 19.875 | 19.751 | 19.875 | 31.4074 | 0.0 (0.0%) | 1,501 |
| 17 Apr 1981 | USD | 19.875 | 19.875 | 19.875 | 19.875 | 31.4074 | 0.0 (0.0%) | 0 |
| 16 Apr 1981 | USD | 19.875 | 19.875 | 19.875 | 19.875 | 31.4074 | +0.124 (+0.63%) | 400 |
| 15 Apr 1981 | USD | 19.751 | 19.751 | 19.497 | 19.751 | 31.2115 | 0.0 (0.0%) | 800 |
| 14 Apr 1981 | USD | 19.751 | 19.751 | 19.751 | 19.751 | 31.2115 | 0.0 (0.0%) | 1,600 |
| 13 Apr 1981 | USD | 19.751 | 19.751 | 19.751 | 19.751 | 31.2115 | 0.0 (0.0%) | 200 |
| 10 Apr 1981 | USD | 19.751 | 19.751 | 19.751 | 19.751 | 31.2115 | +0.254 (+1.30%) | 600 |
| 9 Apr 1981 | USD | 19.497 | 19.497 | 19.251 | 19.497 | 30.8101 | +0.371 (+1.94%) | 701 |
| 8 Apr 1981 | USD | 19.126 | 19.251 | 18.876 | 19.126 | 30.2238 | +0.128 (+0.67%) | 1,101 |
| 7 Apr 1981 | USD | 18.998 | 18.998 | 18.498 | 18.998 | 30.0215 | +0.371 (+1.99%) | 1,301 |
| 6 Apr 1981 | USD | 18.627 | 19.251 | 18.627 | 18.627 | 29.4353 | -0.749 (-3.87%) | 1,200 |
| 3 Apr 1981 | USD | 19.376 | 19.626 | 19.376 | 19.376 | 30.6189 | -0.121 (-0.62%) | 301 |
| 2 Apr 1981 | USD | 19.497 | 19.497 | 19.497 | 19.497 | 30.8101 | +0.246 (+1.28%) | 701 |
| 1 Apr 1981 | USD | 19.251 | 19.251 | 19.251 | 19.251 | 30.4213 | +0.253 (+1.33%) | 400 |
| 31 Mar 1981 | USD | 18.998 | 18.998 | 18.498 | 18.998 | 30.0215 | +0.246 (+1.31%) | 1,800 |
| 30 Mar 1981 | USD | 18.752 | 19.376 | 18.752 | 18.752 | 29.6328 | -0.874 (-4.45%) | 3,600 |
