| Date | Currency | Open | High | Low | Close | A.Close | Day Change | Volume |
|---|---|---|---|---|---|---|---|---|
| 19 May 1980 | USD | 15.128 | 15.376 | 15.128 | 15.128 | 0.2364 | 0.0 (0.0%) | 2,800 |
| 16 May 1980 | USD | 15.128 | 15.128 | 15 | 15.128 | 0.2364 | +0.128 (+0.85%) | 400 |
| 15 May 1980 | USD | 15 | 15.376 | 15 | 15 | 0.2344 | -0.632 (-4.04%) | 1,900 |
| 14 May 1980 | USD | 15.632 | 15.752 | 15.504 | 15.632 | 0.2442 | 0.0 (0.0%) | 2,200 |
| 13 May 1980 | USD | 15.632 | 15.632 | 15.632 | 15.632 | 0.2442 | -0.248 (-1.56%) | 500 |
| 12 May 1980 | USD | 15.88 | 15.88 | 15.88 | 15.88 | 0.2481 | +0.248 (+1.59%) | 2,500 |
| 9 May 1980 | USD | 15.632 | 15.88 | 15.632 | 15.632 | 0.2442 | -0.12 (-0.76%) | 1,200 |
| 8 May 1980 | USD | 15.752 | 15.752 | 15.752 | 15.752 | 0.2461 | -0.128 (-0.81%) | 200 |
| 7 May 1980 | USD | 15.88 | 15.88 | 15.752 | 15.88 | 0.2481 | 0.0 (0.0%) | 600 |
| 6 May 1980 | USD | 15.88 | 15.88 | 15.504 | 15.88 | 0.2481 | +0.504 (+3.28%) | 3,100 |
| 5 May 1980 | USD | 15.376 | 15.376 | 15.128 | 15.376 | 0.2402 | 0.0 (0.0%) | 400 |
| 2 May 1980 | USD | 15.376 | 15.376 | 15 | 15.376 | 0.2402 | +0.12 (+0.79%) | 1,300 |
| 1 May 1980 | USD | 15.256 | 15.376 | 15.256 | 15.256 | 0.2384 | 0.0 (0.0%) | 700 |
| 30 Apr 1980 | USD | 15.256 | 15.256 | 15.128 | 15.256 | 0.2384 | +0.256 (+1.71%) | 600 |
| 29 Apr 1980 | USD | 15 | 15.128 | 15 | 15 | 0.2344 | -0.376 (-2.45%) | 1,600 |
| 28 Apr 1980 | USD | 15.376 | 15.376 | 15 | 15.376 | 0.2402 | +0.624 (+4.23%) | 3,600 |
| 25 Apr 1980 | USD | 14.752 | 14.752 | 14.504 | 14.752 | 0.2305 | 0.0 (0.0%) | 2,200 |
| 24 Apr 1980 | USD | 14.752 | 14.752 | 14.504 | 14.752 | 0.2305 | 0.0 (0.0%) | 400 |
| 23 Apr 1980 | USD | 14.752 | 14.752 | 14.504 | 14.752 | 0.2305 | +0.376 (+2.62%) | 2,500 |
| 22 Apr 1980 | USD | 14.376 | 14.376 | 14.128 | 14.376 | 0.2246 | +0.12 (+0.84%) | 1,800 |
| 21 Apr 1980 | USD | 14.256 | 14.504 | 14.256 | 14.256 | 0.2228 | -0.248 (-1.71%) | 800 |
| 18 Apr 1980 | USD | 14.504 | 14.632 | 14.504 | 14.504 | 0.2266 | -0.128 (-0.87%) | 800 |
| 17 Apr 1980 | USD | 14.632 | 14.632 | 14.504 | 14.632 | 0.2286 | -0.248 (-1.67%) | 1,200 |
| 16 Apr 1980 | USD | 14.88 | 15.88 | 14.88 | 14.88 | 0.2325 | -0.872 (-5.54%) | 2,400 |
| 15 Apr 1980 | USD | 15.752 | 15.752 | 15.256 | 15.752 | 0.2461 | +0.496 (+3.25%) | 3,100 |
| 14 Apr 1980 | USD | 15.256 | 15.504 | 15.128 | 15.256 | 0.2384 | -0.376 (-2.41%) | 2,400 |
| 11 Apr 1980 | USD | 15.632 | 16 | 15.632 | 15.632 | 0.2442 | -0.368 (-2.30%) | 1,500 |
| 10 Apr 1980 | USD | 16 | 16.256 | 16 | 16 | 0.25 | 0.0 (0.0%) | 500 |
| 9 Apr 1980 | USD | 16 | 16.376 | 16 | 16 | 0.25 | 0.0 (0.0%) | 4,200 |
| 8 Apr 1980 | USD | 16 | 16 | 16 | 16 | 0.25 | 0.0 (0.0%) | 300 |
