| 11 Products | Jul 2025 | Jul 2026 | Change |
| John West Light Lunch Mediterranean Style Tuna Salad (220g) | £1.87 | £1.75 | - £0.12 -6.4% decrease |
| | £1.87 | £1.75 | - £0.12 -6.4% decrease |
| John West No Drain Tuna Chunks In Sunflower Oil (100g) | £3.44 | £3.39 | - £0.05 -1.5% decrease |
| | £3.44 | £3.39 | - £0.05 -1.5% decrease |
| Princes Tuna Chunks in Brine (145g) | £1.00 | £1.00 | £0.00 No change |
| | £1.00 | £1.00 | £0.00 No change |
| John West Tuna Chunks in Brine (125g) | £3.57 | £3.65 | + £0.08 2.2% increase |
| | £3.57 | £3.65 | + £0.08 2.2% increase |
| John West Tuna Chunks in Sunflower Oil (132g) | £3.57 | £14.99 | + £11.42 319.9% increase |
| | £3.57 | £14.99 | + £11.42 319.9% increase |
| John West Tuna Chunks In Spring Water (145g) | £3.57 | £3.65 | + £0.08 2.2% increase |
| | £3.57 | £3.65 | + £0.08 2.2% increase |
| John West French Style Tuna Salad (220g) | £1.87 | £1.75 | - £0.12 -6.4% decrease |
| | £1.87 | £1.75 | - £0.12 -6.4% decrease |
| Princes Tuna Chunks in Sunflower Oil (145g) | £3.00 | £3.00 | £0.00 No change |
| | £3.00 | £3.00 | £0.00 No change |
| John West No Drain Tuna Chunks in Brine with a Little Brine (110g) | £3.49 | £3.39 | - £0.10 -2.9% decrease |
| | £3.49 | £3.39 | - £0.10 -2.9% decrease |
| John West Tuna Chunks in Spring Water with No Drain () | £3.44 | £3.39 | - £0.05 -1.5% decrease |
| | £3.44 | £3.39 | - £0.05 -1.5% decrease |
