| 13 Products | May 2024 | May 2025 | Change |
| Prince's Princes Tuna Chunks In Sunflower Oil (145g) | £1.70 | £1.75 | + £0.05 2.9% increase |
| | £1.70 | £1.75 | + £0.05 2.9% increase |
| Tesco Tuna Chunks In Spring Water (400g) | £1.90 | £1.90 | £0.00 No change |
| | £1.90 | £1.90 | £0.00 No change |
| Tesco Tuna Chunks In Sunflower Oil (145g) | £0.72 | £0.70 | - £0.02 -2.8% decrease |
| | £0.72 | £0.70 | - £0.02 -2.8% decrease |
| Tesco Tuna Chunks In Spring Water (80g) | £2.20 | £2.20 | £0.00 No change |
| | £2.20 | £2.20 | £0.00 No change |
| Tesco Tuna Chunks In Spring Water (145g) | £0.72 | £0.70 | - £0.02 -2.8% decrease |
| | £0.72 | £0.70 | - £0.02 -2.8% decrease |
| Tesco Tuna Chunks In Sunflower Oil (400g) | £2.10 | £1.90 | - £0.20 -9.5% decrease |
| | £2.10 | £1.90 | - £0.20 -9.5% decrease |
| Princes Tuna Chunks in Spring Water (145g) | £4.40 | £4.25 | - £0.15 -3.4% decrease |
| | £4.40 | £4.25 | - £0.15 -3.4% decrease |
| Princes Tuna Chunks In Sunflower Oil (400g) | £2.90 | £2.90 | £0.00 No change |
| | £2.90 | £2.90 | £0.00 No change |
| Tesco Tuna Chunks In Oil (80g) | £2.20 | £2.20 | £0.00 No change |
| | £2.20 | £2.20 | £0.00 No change |
| Princes Drained Tuna Steak In Sunflower Oil (60g) | £2.50 | £2.50 | £0.00 No change |
| | £2.50 | £2.50 | £0.00 No change |
