| 21 Products | Apr 2025 | Apr 2026 | Change |
| Tesco Finest Sweetcure Smoked Mackerel Fillets (160g) | £4.70 | £6.10 | + £1.40 29.8% increase |
| | £4.70 | £6.10 | + £1.40 29.8% increase |
| Tesco Sweetcure Smoked Mackerel Strips (200g) | £3.60 | £5.00 | + £1.40 38.9% increase |
| | £3.60 | £5.00 | + £1.40 38.9% increase |
| Princes Mackerel Fillets in Olive Oil (90g*) (125g) | £1.40 | £1.40 | £0.00 No change |
| | £1.40 | £1.40 | £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 |
| Tesco Peppered Smoked Mackerel Fillets () | £14.13 | £25.00 | + £10.87 76.9% increase |
| | £14.13 | £25.00 | + £10.87 76.9% increase |
| Graal Mackerel Fillets in Tomato Sauce (170g) | £1.30 | £1.90 | + £0.60 46.2% increase |
| | £1.30 | £1.90 | + £0.60 46.2% increase |
| Princes Mackerel Fillets in Spicy Tomato Sauce () | £1.75 | £1.75 | £0.00 No change |
| | £1.75 | £1.75 | £0.00 No change |
| Grace Mackerel in Hot Tomato & Chilli Sauce (425g) | £2.25 | £2.25 | £0.00 No change |
| | £2.25 | £2.25 | £0.00 No change |
| Tesco Mackerel In Hot Sauce (125g) | £0.95 | £1.30 | + £0.35 36.8% increase |
| | £0.95 | £1.30 | + £0.35 36.8% increase |
| Princes Mackerel Fillets in Tomato Sauce () | £1.75 | £1.80 | + £0.05 2.9% increase |
| | £1.75 | £1.80 | + £0.05 2.9% increase |
