| 100 Products | May 2025 | May 2026 | Change |
| John West Light Lunch Mediterranean Style Tuna Salad (220g) | £2.42 | £2.22 | - £0.20 -8.3% decrease |
| | £2.60 | £1.75 | - £0.85 -32.7% decrease |
| | £1.75 | £2.70 | + £0.95 2.3% increase |
| | £2.60 | £2.25 | - £0.35 -3.9% decrease |
| | £2.58 | £1.92 | - £0.66 -9.2% decrease |
| | £2.00 | £2.00 | £0.00 -8.2% increase |
| | £2.00 | £1.75 | - £0.25 -8.8% decrease |
| | £1.99 | £1.75 | - £0.24 -9% decrease |
| | £2.90 | £2.45 | - £0.45 -10% decrease |
| | £3.39 | £3.39 | £0.00 -8.3% increase |
| John West French Style Tuna Salad (220g) | £2.88 | £2.75 | - £0.13 -4.5% decrease |
| | £2.60 | £1.75 | - £0.85 -32.7% decrease |
| | £2.60 | £2.25 | - £0.35 -23.1% decrease |
| | £2.58 | £2.63 | + £0.05 -14.7% increase |
| | £1.75 | £2.70 | + £0.95 -2.1% increase |
| | £2.00 | £2.00 | £0.00 -1.7% increase |
| | £7.49 | £7.49 | £0.00 -0.9% increase |
| | £2.00 | £1.75 | - £0.25 -2% decrease |
| | £2.90 | £2.45 | - £0.45 -3.7% decrease |
| | £1.99 | £1.75 | - £0.24 -4.5% decrease |
| John West On The Go Honey & Ginger Super Tuna Salad (220g) | £2.36 | £2.17 | - £0.19 -8.1% decrease |
| | £2.70 | £2.70 | £0.00 No change |
| | £2.70 | £2.25 | - £0.45 -8.1% decrease |
| | £2.05 | £1.75 | - £0.30 -10.1% decrease |
| | £2.23 | £1.75 | - £0.48 -12.8% decrease |
| | £2.69 | £2.69 | £0.00 -9.7% increase |
| | £2.00 | £1.75 | - £0.25 -10.4% decrease |
| | £1.99 | £1.99 | £0.00 -9% increase |
| | £2.50 | £2.50 | £0.00 -8.1% increase |
| John West Tuna Chunks in Brine (125g) | £5.07 | £5.01 | - £0.06 -1.2% decrease |
| | £5.00 | £5.00 | £0.00 No change |
| | £4.00 | £4.00 | £0.00 No change |
| | £3.65 | £3.65 | £0.00 No change |
| | £5.00 | £5.00 | £0.00 No change |
| | £3.75 | £3.75 | £0.00 No change |
| | £4.70 | £4.25 | - £0.45 -1.6% decrease |
| | £9.09 | £9.09 | £0.00 -1.4% increase |
| | £5.35 | £5.35 | £0.00 -1.2% increase |
| John West Tuna Chunks in Sunflower Oil (132g) | £4.17 | £5.51 | + £1.34 32.1% increase |
| | £3.65 | £14.99 | + £11.34 310.7% increase |
| | £3.48 | £3.64 | + £0.16 161.1% increase |
| | £5.00 | £5.00 | £0.00 95% increase |
| | £3.75 | £3.75 | £0.00 72.5% increase |
| | £4.00 | £4.00 | £0.00 57.8% increase |
| | £4.00 | £4.00 | £0.00 48.2% increase |
| | £5.00 | £4.25 | - £0.75 37% decrease |
| | £4.45 | £4.45 | £0.00 32.1% increase |
| John West Tuna Chunks In Spring Water (145g) | £5.19 | £5.09 | - £0.10 -1.9% decrease |
| | £3.65 | £3.65 | £0.00 No change |
| | £5.00 | £5.00 | £0.00 No change |
| | £4.00 | £4.00 | £0.00 No change |
| | £5.00 | £5.00 | £0.00 No change |
| | £3.75 | £3.75 | £0.00 No change |
| | £5.00 | £4.25 | - £0.75 -2.7% decrease |
| | £9.75 | £9.75 | £0.00 -1.9% increase |
| | £5.35 | £5.35 | £0.00 -1.9% increase |
| John West No Drain Tuna Steak with Springwater (60g) | £2.94 | £2.74 | - £0.20 -6.8% decrease |
| | £2.48 | £2.28 | - £0.20 -8.1% decrease |
| | £3.40 | £3.40 | £0.00 -3.4% increase |
| | £2.55 | £2.30 | - £0.25 -5.3% decrease |
| | £3.60 | £2.50 | - £1.10 -13% decrease |
| | £3.40 | £3.50 | + £0.10 -9.4% increase |
| | £2.50 | £2.30 | - £0.20 -9.4% decrease |
| | £2.40 | £2.40 | £0.00 -7.9% increase |
| | £3.20 | £3.20 | £0.00 -6.8% increase |
| John West No Drain Tuna Steak In Sunflower Oil (60g) | £2.96 | £2.72 | - £0.24 -8.1% decrease |
| | £2.48 | £2.28 | - £0.20 -8.1% decrease |
| | £3.60 | £2.50 | - £1.10 -21.4% decrease |
| | £2.55 | £2.30 | - £0.25 -18.1% decrease |
| | £3.40 | £3.50 | + £0.10 -12% increase |
| | £2.99 | £2.99 | £0.00 -9.7% increase |
| | £2.50 | £2.30 | - £0.20 -9.2% decrease |
| | £3.20 | £3.20 | £0.00 -8.1% increase |
| John West No Drain Tuna Steak in Brine (60g) | £2.99 | £2.75 | - £0.24 -8% decrease |
| | £2.48 | £2.28 | - £0.20 -8.1% decrease |
| | £3.40 | £3.40 | £0.00 -3.4% increase |
| | £3.60 | £2.50 | - £1.10 -13.6% decrease |
| | £2.55 | £2.30 | - £0.25 -13% decrease |
| | £3.40 | £3.50 | + £0.10 -9.4% increase |
| | £2.50 | £2.30 | - £0.20 -9.4% decrease |
| | £2.99 | £2.99 | £0.00 -8% increase |
| Princes Tuna Chunks in Brine (145g) | £4.00 | £3.94 | - £0.06 -1.5% decrease |
| | £4.63 | £4.25 | - £0.38 -8.2% decrease |
| | £5.35 | £5.35 | £0.00 -3.8% increase |
| | £4.25 | £4.25 | £0.00 -2.5% increase |
| | £4.00 | £4.00 | £0.00 -2.2% increase |
| | £4.25 | £4.25 | £0.00 -1.8% increase |
| | £4.49 | £4.49 | £0.00 -1.6% increase |
| | £1.00 | £1.00 | £0.00 -1.5% increase |
