| 100 Products | Jul 2025 | Jul 2026 | Change |
| John West Tuna Chunks in Brine (125g) | £5.06 | £5.01 | - £0.05 -1% decrease |
| | £5.00 | £5.00 | £0.00 No change |
| | £4.00 | £4.00 | £0.00 No change |
| | £3.57 | £3.65 | + £0.08 0.7% increase |
| | £5.00 | £5.00 | £0.00 0.5% increase |
| | £3.75 | £3.75 | £0.00 0.5% increase |
| | £4.70 | £4.25 | - £0.45 -1.4% decrease |
| | £9.09 | £9.09 | £0.00 -1.2% increase |
| | £5.35 | £5.35 | £0.00 -1% increase |
| John West Tuna Chunks in Sunflower Oil (132g) | £4.06 | £5.49 | + £1.43 35.2% increase |
| | £3.57 | £14.99 | + £11.42 319.9% increase |
| | £3.48 | £3.50 | + £0.02 162% increase |
| | £5.00 | £5.00 | £0.00 94.8% increase |
| | £3.75 | £3.75 | £0.00 72.4% increase |
| | £4.00 | £4.00 | £0.00 57.8% increase |
| | £4.00 | £4.00 | £0.00 47.9% increase |
| | £4.25 | £4.25 | £0.00 40.6% increase |
| | £4.45 | £4.45 | £0.00 35.2% increase |
| John West Tuna Chunks In Spring Water (145g) | £5.18 | £5.09 | - £0.09 -1.7% decrease |
| | £3.57 | £3.65 | + £0.08 2.2% increase |
| | £5.00 | £5.00 | £0.00 0.9% increase |
| | £4.00 | £4.00 | £0.00 0.7% increase |
| | £5.00 | £5.00 | £0.00 0.5% increase |
| | £3.75 | £3.75 | £0.00 0.5% increase |
| | £5.00 | £4.25 | - £0.75 -2.5% decrease |
| | £9.75 | £9.75 | £0.00 -1.7% increase |
| | £5.35 | £5.35 | £0.00 -1.7% increase |
| Princes Tuna Chunks in Brine (145g) | £3.83 | £3.94 | + £0.11 2.9% increase |
| | £4.25 | £4.25 | £0.00 No change |
| | £5.35 | £5.35 | £0.00 No change |
| | £3.50 | £4.25 | + £0.75 5.7% increase |
| | £4.00 | £4.00 | £0.00 4.2% increase |
| | £4.25 | £4.25 | £0.00 3.5% increase |
| | £4.49 | £4.49 | £0.00 2.8% increase |
| | £1.00 | £1.00 | £0.00 2.9% increase |
| Princes Tuna Chunks in Sunflower Oil (145g) | £4.16 | £4.16 | £0.00 No change |
| | £4.25 | £4.25 | £0.00 No change |
| | £5.35 | £5.35 | £0.00 No change |
| | £4.25 | £4.25 | £0.00 No change |
| | £3.50 | £3.50 | £0.00 No change |
| | £4.25 | £4.25 | £0.00 No change |
| | £4.49 | £4.49 | £0.00 No change |
| | £3.00 | £3.00 | £0.00 No change |
| John West No Drain Tuna Chunks In Sunflower Oil (100g) | £3.78 | £4.12 | + £0.34 9% increase |
| | £3.44 | £3.39 | - £0.05 -1.5% decrease |
| | £4.00 | £4.00 | £0.00 -0.5% increase |
| | £5.00 | £5.00 | £0.00 -0.5% increase |
| | £3.00 | £5.10 | + £2.10 13.2% increase |
| | £3.50 | £3.50 | £0.00 10.8% increase |
| | £3.75 | £3.75 | £0.00 9% increase |
| Princes Tuna Chunks in Spring Water (145g) | £4.04 | £4.43 | + £0.39 9.7% increase |
| | £4.25 | £4.25 | £0.00 No change |
| | £3.75 | £5.35 | + £1.60 20% increase |
| | £3.50 | £4.25 | + £0.75 20.6% increase |
| | £4.00 | £4.00 | £0.00 14.9% increase |
| | £4.25 | £4.25 | £0.00 11.9% increase |
| | £4.49 | £4.49 | £0.00 9.7% 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 |
| | £3.49 | £3.39 | - £0.10 -1.3% decrease |
| | £5.00 | £5.00 | £0.00 -0.7% increase |
| | £3.49 | £3.49 | £0.00 -0.7% increase |
| | £5.00 | £5.10 | + £0.10 No change |
| | £3.75 | £3.75 | £0.00 No change |
| John West Tuna Chunks in Spring Water with No Drain () | £4.11 | £4.12 | + £0.01 0.2% increase |
| | £4.00 | £4.00 | £0.00 No change |
| | £5.00 | £5.00 | £0.00 No change |
| | £3.49 | £3.49 | £0.00 No change |
| | £3.44 | £3.39 | - £0.05 -0.3% decrease |
| | £5.00 | £5.10 | + £0.10 0.2% increase |
| | £3.75 | £3.75 | £0.00 0.2% increase |
