Lady by Styx first appeared on the Israeli foreign-music chart on 16 Feb 1975, entering at #25. It peaked at #6 on 9 Mar 1975. In total it spent 7 weeks on the chart, last charting on 30 Mar 1975.
| Wk | Date | Pos |
|---|---|---|
| 1 | 16 Feb 1975 | 25 |
| 2 | 23 Feb 1975 | 16 |
| 3 | 2 Mar 1975 | 12 |
| 4 | 9 Mar 1975 | 6 |
| 5 | 16 Mar 1975 | 6 |
| 6 | 23 Mar 1975 | 14 |
| 7 | 30 Mar 1975 | 22 |