As of 2026-06-15, the Relative Valuation of GlaxoSmithKline PLC (GSK.L) is 3,634.28 GBP. This relative valuation is based on P/E multiples. With the latest stock price at 1,984.00 GBP, the upside of GlaxoSmithKline PLC based on Relative Valuation is 83.2%.
The range of the Relative Valuation is 3,199.00 - 4,021.75 GBP.
| Range | Selected | |
| Trailing P/E multiples | 21.1x - 22.9x | 22.7x |
| Forward P/E multiples | 21.9x - 23.5x | 22.4x |
| Fair Price | 3,199.00 - 4,021.75 | 3,634.28 |
| Upside | 61.2% - 102.7% | 83.2% |
| Date | P/E |
| 2026-06-12 | 13.06 |
| 2026-06-11 | 12.93 |
| 2026-06-10 | 12.66 |
| 2026-06-09 | 12.56 |
| 2026-06-08 | 12.65 |
| 2026-06-05 | 12.79 |
| 2026-06-04 | 12.55 |
| 2026-06-03 | 12.22 |
| 2026-06-02 | 12.02 |
| 2026-06-01 | 12.11 |
| 2026-05-29 | 12.44 |
| 2026-05-28 | 12.64 |
| 2026-05-27 | 12.80 |
| 2026-05-26 | 12.69 |
| 2026-05-22 | 12.62 |
| 2026-05-21 | 12.65 |
| 2026-05-20 | 12.48 |
| 2026-05-19 | 12.54 |
| 2026-05-18 | 12.34 |
| 2026-05-15 | 12.26 |
| 2026-05-14 | 12.36 |
| 2026-05-13 | 12.43 |
| 2026-05-12 | 12.45 |
| 2026-05-11 | 12.18 |
| 2026-05-08 | 12.14 |
| 2026-05-07 | 12.30 |
| 2026-05-06 | 12.36 |
| 2026-05-05 | 12.21 |
| 2026-05-01 | 12.52 |
| 2026-04-30 | 12.69 |
| 2026-04-29 | 12.54 |
| 2026-04-28 | 13.41 |
| 2026-04-27 | 13.28 |
| 2026-04-24 | 13.33 |
| 2026-04-23 | 13.73 |
| 2026-04-22 | 13.69 |
| 2026-04-21 | 13.73 |
| 2026-04-20 | 14.13 |
| 2026-04-17 | 14.10 |
| 2026-04-16 | 13.99 |
| 2026-04-15 | 14.10 |
| 2026-04-14 | 14.37 |
| 2026-04-13 | 14.30 |
| 2026-04-10 | 14.35 |
| 2026-04-09 | 14.26 |
| 2026-04-08 | 13.99 |
| 2026-04-07 | 13.79 |
| 2026-04-02 | 14.13 |
| 2026-04-01 | 13.87 |
| 2026-03-31 | 13.66 |