| 15 Products | Apr 2025 | Apr 2026 | Change |
| ASDA Mackerel Fillets in a Sweet Chilli Sauce (125g) | £0.95 | £1.30 | + £0.35 36.8% increase |
| | £0.95 | £1.30 | + £0.35 36.8% 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 (425g) | £2.25 | £2.25 | £0.00 No change |
| | £2.25 | £2.25 | £0.00 No change |
| John West Mackerel Fillets in Sunflower Oil (115g) | £1.48 | £1.80 | + £0.32 21.6% increase |
| | £1.48 | £1.80 | + £0.32 21.6% increase |
| Graal Mackerel Fillets in Tomato Sauce (170g) | £1.55 | £1.67 | + £0.12 7.7% increase |
| | £1.55 | £1.67 | + £0.12 7.7% 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 (115g) | £1.48 | £1.80 | + £0.32 21.6% increase |
| | £1.48 | £1.80 | + £0.32 21.6% increase |
| John West Mackerel Fillets in Olive Oil (80g) | £1.48 | £1.80 | + £0.32 21.6% increase |
| | £1.48 | £1.80 | + £0.32 21.6% increase |
| ASDA Mackerel Fillets in a Rich Sun-Dried Tomato and Basil Sauce (125g) | £0.95 | £1.30 | + £0.35 36.8% increase |
| | £0.95 | £1.30 | + £0.35 36.8% increase |
| ASDA Mackerel Fillets in Brine (125g) | £0.90 | £1.30 | + £0.40 44.4% increase |
| | £0.90 | £1.30 | + £0.40 44.4% increase |
