| 15 Products | Aug 2025 | Aug 2026 | Change |
| ASDA Mackerel Fillets in a Sweet Chilli Sauce (125g) | £0.95 | £1.35 | + £0.40 42.1% increase |
| | £0.95 | £1.35 | + £0.40 42.1% 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 | £2.00 | + £0.45 29% increase |
| | £1.55 | £2.00 | + £0.45 29% increase |
| Grace Mackerel in Hot Tomato & Chilli Sauce (425g) | £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) | £0.95 | £1.35 | + £0.40 42.1% increase |
| | £0.95 | £1.35 | + £0.40 42.1% increase |
| ASDA Mackerel Fillets in Brine (125g) | £0.94 | £1.35 | + £0.41 43.6% increase |
| | £0.94 | £1.35 | + £0.41 43.6% increase |
