| 100 Products | Sep 2025 | Sep 2026 | Change |
| John West Tuna Chunks in Brine (125g) | £5.04 | £5.04 | £0.00 No change |
| | £5.00 | £5.00 | £0.00 No change |
| | £4.00 | £4.00 | £0.00 No change |
| | £3.65 | £3.65 | £0.00 No change |
| | £5.00 | £5.00 | £0.00 No change |
| | £3.75 | £3.75 | £0.00 No change |
| | £4.48 | £4.45 | - £0.03 0% decrease |
| | £9.09 | £9.09 | £0.00 -0.2% increase |
| | £5.35 | £5.35 | £0.00 No change |
| John West Tuna Chunks in Sunflower Oil (132g) | £4.14 | £5.51 | + £1.37 33.1% increase |
| | £3.65 | £14.99 | + £11.34 310.7% increase |
| | £3.98 | £3.50 | - £0.48 142.1% decrease |
| | £5.00 | £5.00 | £0.00 86% increase |
| | £3.75 | £3.85 | + £0.10 66.8% increase |
| | £4.00 | £4.00 | £0.00 53.7% increase |
| | £4.00 | £4.00 | £0.00 45.1% increase |
| | £4.25 | £4.25 | £0.00 38.4% increase |
| | £4.45 | £4.45 | £0.00 33.1% increase |
| John West Tuna Chunks In Spring Water (145g) | £5.09 | £5.09 | £0.00 No change |
| | £3.65 | £3.65 | £0.00 No change |
| | £5.00 | £5.00 | £0.00 No change |
| | £4.00 | £4.00 | £0.00 No change |
| | £5.00 | £5.00 | £0.00 No change |
| | £3.75 | £3.75 | £0.00 No change |
| | £4.25 | £4.25 | £0.00 No change |
| | £9.75 | £9.75 | £0.00 No change |
| | £5.35 | £5.35 | £0.00 No change |
| Princes Tuna Chunks in Brine (145g) | £3.91 | £3.94 | + £0.03 0.8% increase |
| | £4.00 | £4.25 | + £0.25 6.3% increase |
| | £5.35 | £5.35 | £0.00 2.6% increase |
| | £4.25 | £4.25 | £0.00 2% increase |
| | £4.00 | £4.00 | £0.00 1.4% increase |
| | £4.25 | £4.25 | £0.00 1.1% increase |
| | £4.49 | £4.49 | £0.00 0.9% increase |
| | £1.00 | £1.00 | £0.00 0.8% increase |
| Princes Tuna Chunks in Sunflower Oil (145g) | £4.13 | £4.16 | + £0.03 0.7% increase |
| | £4.06 | £4.25 | + £0.19 4.7% increase |
| | £5.35 | £5.35 | £0.00 1.9% increase |
| | £4.25 | £4.25 | £0.00 1.5% increase |
| | £3.50 | £3.50 | £0.00 1.2% increase |
| | £4.25 | £4.25 | £0.00 0.9% increase |
| | £4.49 | £4.49 | £0.00 0.7% increase |
| | £3.00 | £3.00 | £0.00 0.7% increase |
| John West No Drain Tuna Chunks In Sunflower Oil (110g) | £4.11 | £4.12 | + £0.01 0.2% increase |
| | £3.39 | £3.39 | £0.00 No change |
| | £4.00 | £4.00 | £0.00 No change |
| | £5.00 | £5.00 | £0.00 No change |
| | £5.00 | £5.10 | + £0.10 0.5% increase |
| | £3.50 | £3.50 | £0.00 0.5% increase |
| | £3.75 | £3.75 | £0.00 0.2% increase |
| Princes Tuna Chunks in Spring Water (145g) | £4.12 | £4.43 | + £0.31 7.5% increase |
| | £4.00 | £4.25 | + £0.25 6.3% increase |
| | £3.75 | £5.35 | + £1.60 23.7% increase |
| | £4.25 | £4.25 | £0.00 15.5% increase |
| | £4.00 | £4.00 | £0.00 11.5% increase |
| | £4.25 | £4.25 | £0.00 9.1% increase |
| | £4.49 | £4.49 | £0.00 7.5% increase |
| John West Tuna Chunks in Spring Water (145g) | £1.26 | £1.26 | £0.00 No change |
| | £1.50 | £1.50 | £0.00 No change |
| | £1.15 | £1.15 | £0.00 No change |
| | £1.50 | £1.50 | £0.00 No change |
| | £1.15 | £1.15 | £0.00 No change |
| | £1.25 | £1.25 | £0.00 No change |
| | £1.00 | £1.00 | £0.00 No change |
| John West No Drain Tuna Chunks in Brine with a Little Brine (110g) | £4.12 | £4.12 | £0.00 No change |
| | £4.00 | £4.00 | £0.00 No change |
| | £3.39 | £3.39 | £0.00 No change |
| | £5.00 | £5.00 | £0.00 No change |
| | £3.49 | £3.49 | £0.00 No change |
| | £5.10 | £5.10 | £0.00 No change |
| | £3.75 | £3.75 | £0.00 No change |
| John West Tuna Chunks in Spring Water with No Drain () | £4.12 | £4.12 | £0.00 No change |
| | £4.00 | £4.00 | £0.00 No change |
| | £5.00 | £5.00 | £0.00 No change |
| | £3.49 | £3.49 | £0.00 No change |
| | £3.39 | £3.39 | £0.00 No change |
| | £5.10 | £5.10 | £0.00 No change |
| | £3.75 | £3.75 | £0.00 No change |
