| 13 Products | Jul 2025 | Jul 2026 | Change |
| Prince's Princes Tuna Chunks In Sunflower Oil (145g) | £1.75 | £1.80 | + £0.05 2.9% increase |
| | £1.75 | £1.80 | + £0.05 2.9% increase |
| Tesco Tuna Chunks In Spring Water (400g) | £1.75 | £2.00 | + £0.25 14.3% increase |
| | £1.75 | £2.00 | + £0.25 14.3% increase |
| Tesco Tuna Chunks In Sunflower Oil (145g) | £0.65 | £0.65 | £0.00 No change |
| | £0.65 | £0.65 | £0.00 No change |
| 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) | £0.65 | £0.65 | £0.00 No change |
| | £0.65 | £0.65 | £0.00 No change |
| Tesco Tuna Chunks In Sunflower Oil (400g) | £1.75 | £2.00 | + £0.25 14.3% increase |
| | £1.75 | £2.00 | + £0.25 14.3% increase |
| Princes Tuna Chunks in Spring Water (145g) | £4.25 | £4.25 | £0.00 No change |
| | £4.25 | £4.25 | £0.00 No change |
| 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 |
