| 17 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 |
| Sainsbury's Tuna Chunks in Sunflower Oil (145g) | £2.54 | £2.49 | - £0.05 -2% decrease |
| | £2.54 | £2.49 | - £0.05 -2% decrease |
| John West 30% Lower Salt Tuna Chunks in Sunflower Oil (145g) | £5.00 | £5.00 | £0.00 No change |
| | £5.00 | £5.00 | £0.00 No change |
| Sainsbury's Tuna Chunks in Sunflower Oil (145g) | £0.67 | £0.65 | - £0.02 -3% decrease |
| | £0.67 | £0.65 | - £0.02 -3% decrease |
| John West No Drain Tuna Chunks In Sunflower Oil (100g) | £3.00 | £5.10 | + £2.10 70% increase |
| | £3.00 | £5.10 | + £2.10 70% increase |
| Princes Tuna Chunks in Spring Water (145g) | £3.50 | £4.25 | + £0.75 21.4% increase |
| | £3.50 | £4.25 | + £0.75 21.4% increase |
| John West Tuna Chunks in Sunflower Oil (132g) | £4.25 | £4.25 | £0.00 No change |
| | £4.25 | £4.25 | £0.00 No change |
| Princes Tuna Chunks in Sunflower Oil (80g, 56g) | £2.75 | £2.75 | £0.00 No change |
| | £2.75 | £2.75 | £0.00 No change |
| John West Tuna Chunks In Spring Water (145g) | £5.00 | £4.25 | - £0.75 -15% decrease |
| | £5.00 | £4.25 | - £0.75 -15% decrease |
| Sainsbury's Tuna Steak in Sunflower Oil (120g) | £4.10 | £4.10 | £0.00 No change |
| | £4.10 | £4.10 | £0.00 No change |
