| 100 Products | May 2025 | May 2026 | Change |
| John West Tuna Chunks in Brine (125g) | £5.07 | £5.01 | - £0.06 -1.2% decrease |
| | £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 |
| | £4.70 | £4.25 | - £0.45 -1.6% decrease |
| | £9.09 | £9.09 | £0.00 -1.4% increase |
| | £5.35 | £5.35 | £0.00 -1.2% increase |
| John West Tuna Chunks in Sunflower Oil (132g) | £4.17 | £5.51 | + £1.34 32.1% increase |
| | £3.65 | £14.99 | + £11.34 310.7% increase |
| | £3.48 | £3.64 | + £0.16 161.1% increase |
| | £5.00 | £5.00 | £0.00 95% increase |
| | £3.75 | £3.75 | £0.00 72.5% increase |
| | £4.00 | £4.00 | £0.00 57.8% increase |
| | £4.00 | £4.00 | £0.00 48.2% increase |
| | £5.00 | £4.25 | - £0.75 37% decrease |
| | £4.45 | £4.45 | £0.00 32.1% increase |
| John West Tuna Chunks In Spring Water (145g) | £5.19 | £5.09 | - £0.10 -1.9% decrease |
| | £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 |
| | £5.00 | £4.25 | - £0.75 -2.7% decrease |
| | £9.75 | £9.75 | £0.00 -1.9% increase |
| | £5.35 | £5.35 | £0.00 -1.9% increase |
| Princes Tuna Chunks in Brine (145g) | £4.00 | £3.94 | - £0.06 -1.5% decrease |
| | £4.63 | £4.25 | - £0.38 -8.2% decrease |
| | £5.35 | £5.35 | £0.00 -3.8% increase |
| | £4.25 | £4.25 | £0.00 -2.5% increase |
| | £4.00 | £4.00 | £0.00 -2.2% increase |
| | £4.25 | £4.25 | £0.00 -1.8% increase |
| | £4.49 | £4.49 | £0.00 -1.6% increase |
| | £1.00 | £1.00 | £0.00 -1.5% increase |
| Princes Tuna Chunks in Sunflower Oil (145g) | £4.21 | £4.16 | - £0.05 -1.2% decrease |
| | £4.63 | £4.25 | - £0.38 -8.2% decrease |
| | £5.35 | £5.35 | £0.00 -3.8% increase |
| | £4.25 | £4.25 | £0.00 -2.5% increase |
| | £3.50 | £3.50 | £0.00 -2% increase |
| | £4.25 | £4.25 | £0.00 -1.8% increase |
| | £4.49 | £4.49 | £0.00 -1.4% increase |
| | £3.00 | £3.00 | £0.00 -1.2% increase |
| Rolson Signature John West No Drain Tuna Chunks In Sunflower Oil (110g) | £4.12 | £4.12 | £0.00 No change |
| | £3.49 | £3.39 | - £0.10 -2.9% decrease |
| | £4.00 | £4.00 | £0.00 -1.3% increase |
| | £5.00 | £5.00 | £0.00 -0.7% increase |
| | £5.00 | £5.10 | + £0.10 No change |
| | £3.50 | £3.50 | £0.00 No change |
| | £3.75 | £3.75 | £0.00 No change |
| Princes Tuna Chunks in Spring Water (145g) | £4.23 | £4.35 | + £0.12 2.8% increase |
| | £4.63 | £3.75 | - £0.88 -19% decrease |
| | £3.75 | £5.35 | + £1.60 8.6% increase |
| | £4.25 | £4.25 | £0.00 5.7% increase |
| | £4.00 | £4.00 | £0.00 4.3% increase |
| | £4.25 | £4.25 | £0.00 3.3% increase |
| | £4.49 | £4.49 | £0.00 2.8% 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 () | £4.12 | £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 |
| | £3.49 | £3.39 | - £0.10 -0.7% decrease |
| | £5.00 | £5.10 | + £0.10 No change |
| | £3.75 | £3.75 | £0.00 No change |
