| 15 Products | Oct 2025 | Oct 2026 | Change |
| ASDA Mackerel Fillets in a Sweet Chilli Sauce (125g) | £0.97 | £1.30 | + £0.33 34% increase |
| | £0.97 | £1.30 | + £0.33 34% increase |
| John West Mackerel Fillets in Sweet Chilli (115g) | £1.50 | £1.50 | £0.00 No change |
| | £1.50 | £1.50 | £0.00 No change |
| Grace Mackerel in Tomato Sauce () | £2.25 | £2.25 | £0.00 No change |
| | £2.25 | £2.25 | £0.00 No change |
| John West Mackerel Fillets in Sunflower Oil () | £1.78 | £1.80 | + £0.02 1.1% increase |
| | £1.78 | £1.80 | + £0.02 1.1% increase |
| Graal Mackerel Fillets in Tomato Sauce (170g) | £1.55 | £1.99 | + £0.44 28.4% increase |
| | £1.55 | £1.99 | + £0.44 28.4% increase |
| Grace Mackerel in Hot Tomato & Chilli Sauce () | £1.75 | £1.75 | £0.00 No change |
| | £1.75 | £1.75 | £0.00 No change |
| John West Mackerel Fillets in Tomato Sauce () | £1.78 | £1.80 | + £0.02 1.1% increase |
| | £1.78 | £1.80 | + £0.02 1.1% increase |
| John West Mackerel Fillets in Olive Oil (80g) | £1.78 | £1.80 | + £0.02 1.1% increase |
| | £1.78 | £1.80 | + £0.02 1.1% increase |
| ASDA Mackerel Fillets in a Rich Sun-Dried Tomato and Basil Sauce (125g) | £0.97 | £1.00 | + £0.03 3.1% increase |
| | £0.97 | £1.00 | + £0.03 3.1% increase |
| ASDA Mackerel Fillets in Brine (125g) | £0.96 | £1.30 | + £0.34 35.4% increase |
| | £0.96 | £1.30 | + £0.34 35.4% increase |
