| 18 Products | Oct 2025 | Oct 2026 | Change |
| Morrisons Mackerel Fillets (380g) | £4.00 | £4.00 | £0.00 No change |
| | £4.00 | £4.00 | £0.00 No change |
| John West Mackerel Fillets in Sweet Chilli (115g) | £1.50 | £1.50 | £0.00 No change |
| | £1.50 | £1.50 | £0.00 No change |
| Morrisons Mackerel Fillets In Olive Oil (125g) | £1.03 | £1.30 | + £0.27 26.2% increase |
| | £1.03 | £1.30 | + £0.27 26.2% increase |
| Grace Mackerel in Tomato Sauce () | £1.85 | £1.85 | £0.00 No change |
| | £1.85 | £1.85 | £0.00 No change |
| Morrisons Mackerel Fillets in Sunflower Oil (125g) | £1.12 | £1.30 | + £0.18 16.1% increase |
| | £1.12 | £1.30 | + £0.18 16.1% increase |
| John West Mackerel Fillets in Sunflower Oil () | £1.78 | £1.75 | - £0.03 -1.7% decrease |
| | £1.78 | £1.75 | - £0.03 -1.7% decrease |
| Graal Mackerel Fillets in Tomato Sauce (170g) | £1.65 | £1.65 | £0.00 No change |
| | £1.65 | £1.65 | £0.00 No change |
| John West Mackerel Fillets in Tomato Sauce () | £1.98 | £1.75 | - £0.23 -11.6% decrease |
| | £1.98 | £1.75 | - £0.23 -11.6% decrease |
| John West Mackerel Fillets in Olive Oil (80g) | £1.83 | £1.75 | - £0.08 -4.4% decrease |
| | £1.83 | £1.75 | - £0.08 -4.4% decrease |
| Morrisons Mackerel Fillets In Tomato Sauce () | £1.00 | £1.30 | + £0.30 30% increase |
| | £1.00 | £1.30 | + £0.30 30% increase |
