| 15 Products | May 2024 | May 2025 | Change |
| John West 30% Lower Salt Tuna Chunks in Sunflower Oil (145g) | £5.00 | £4.00 | - £1.00 -20% decrease |
| | £5.00 | £4.00 | - £1.00 -20% decrease |
| Princes Tuna Steaks In Sunflower Oil (160g) | £1.50 | £1.50 | £0.00 No change |
| | £1.50 | £1.50 | £0.00 No change |
| Morrisons Tuna Chunks In Spring Water (145g, 102g) | £0.95 | £0.95 | £0.00 No change |
| | £0.95 | £0.95 | £0.00 No change |
| John West No Drain Tuna Chunks In Sunflower Oil (110g) | £3.49 | £3.50 | + £0.01 0.3% increase |
| | £3.49 | £3.50 | + £0.01 0.3% increase |
| Morrisons Fad Free Tuna Chunks In Sunflower Oil (145g, 102g) | £0.95 | £0.80 | - £0.15 -15.8% decrease |
| | £0.95 | £0.80 | - £0.15 -15.8% decrease |
| Princes Tuna Chunks in Spring Water (145g) | £3.75 | £4.25 | + £0.50 13.3% increase |
| | £3.75 | £4.25 | + £0.50 13.3% increase |
| John West Tuna Chunks in Spring Water (80g) | £2.89 | £2.89 | £0.00 No change |
| | £2.89 | £2.89 | £0.00 No change |
| Morrisons Fad Free Tuna Chunks In Sunflower Oil (145g, 102g) | £2.95 | £3.20 | + £0.25 8.5% increase |
| | £2.95 | £3.20 | + £0.25 8.5% increase |
| John West Tuna Chunks in Sunflower Oil (132g) | £5.00 | £5.00 | £0.00 No change |
| | £5.00 | £5.00 | £0.00 No change |
| John West Tuna Chunks In Spring Water (145g) | £5.00 | £5.00 | £0.00 No change |
| | £5.00 | £5.00 | £0.00 No change |
