| 25 Products | Jan 2025 | Jan 2026 | Change |
| Princes Mackerel Sizzle Rich Tomato & Herbs (160g) | £1.83 | £1.83 | £0.00 No change |
| | £1.90 | £1.90 | £0.00 No change |
| | £1.99 | £1.99 | £0.00 No change |
| | £1.75 | £1.75 | £0.00 No change |
| | £1.50 | £1.50 | £0.00 No change |
| | £2.00 | £2.00 | £0.00 No change |
| Princes Mackerel Fillets in Tomato Sauce () | £1.19 | £1.19 | £0.00 No change |
| | £1.75 | £1.75 | £0.00 No change |
| | £1.75 | £1.75 | £0.00 No change |
| | £0.25 | £0.25 | £0.00 No change |
| | £0.99 | £0.99 | £0.00 No change |
| Princes Mackerel Spicy Fajita & Lime (160g) | £2.10 | £2.10 | £0.00 No change |
| | £1.99 | £1.99 | £0.00 No change |
| | £0.31 | £0.31 | £0.00 No change |
| | £4.01 | £4.01 | £0.00 No change |
| Princes Mackerel Fillets in Spicy Tomato Sauce (125g) | £1.53 | £1.53 | £0.00 No change |
| | £1.75 | £1.75 | £0.00 No change |
| | £1.10 | £1.10 | £0.00 No change |
| | £1.75 | £1.75 | £0.00 No change |
| Princes Mackerel Fillets in Mustard Sauce () | £1.75 | £1.75 | £0.00 No change |
| | £1.75 | £1.75 | £0.00 No change |
| | £1.75 | £1.75 | £0.00 No change |
| Princes Mackerel Spicy Smoked Salsa (125g) | £1.13 | £1.13 | £0.00 No change |
| | £1.00 | £1.00 | £0.00 No change |
| | £1.25 | £1.25 | £0.00 No change |
| Princes Mackerel Fillets Olive Oil (125g) | £1.75 | £1.75 | £0.00 No change |
| | £1.75 | £1.75 | £0.00 No change |
| Tesco Finest Mackerel With Black Pepper (110g) | £2.25 | £3.00 | + £0.75 33.3% increase |
| | £2.25 | £3.00 | + £0.75 33.3% increase |
| Tesco Mackerel In Extra Virgin Olive Oil (125g) | £0.68 | £0.68 | £0.00 No change |
| | £0.68 | £0.68 | £0.00 No change |
| Tesco Finest Sardines With Chilli Lime & Coriander (105g) | £1.15 | £1.15 | £0.00 No change |
| | £1.15 | £1.15 | £0.00 No change |
