| 75 Products | Dec 2024 | Dec 2025 | Change |
| Butterkist Sweet & Salted Popcorn (100g) | £1.60 | £4.67 | + £3.07 191.9% increase |
| | £1.25 | £30.00 | + £28.75 2300% increase |
| | £2.00 | £2.00 | £0.00 881.6% increase |
| | £2.00 | £1.35 | - £0.65 535.4% decrease |
| | £2.00 | £1.35 | - £0.65 379.6% decrease |
| | £1.25 | £1.33 | + £0.08 324.1% increase |
| | £1.50 | £1.50 | £0.00 274.9% increase |
| | £1.25 | £1.35 | + £0.10 244.7% increase |
| | £1.49 | £1.49 | £0.00 217.6% increase |
| | £1.65 | £1.65 | £0.00 191.9% increase |
| Propercorn Sweet & Salty Popcorn (30g) | £3.34 | £3.34 | £0.00 No change |
| | £1.10 | £1.10 | £0.00 No change |
| | £1.05 | £1.00 | - £0.05 -2.8% decrease |
| | £22.35 | £22.35 | £0.00 -0.2% increase |
| | £1.00 | £1.00 | £0.00 -0.3% increase |
| | £1.05 | £1.05 | £0.00 -0.2% increase |
| | £0.95 | £0.95 | £0.00 No change |
| | £0.69 | £0.69 | £0.00 -0.2% increase |
| | £1.00 | £1.00 | £0.00 -0.3% increase |
| | £0.90 | £0.90 | £0.00 No change |
| Butterkist Sweet Popcorn (100g) | £1.66 | £1.52 | - £0.14 -8.4% decrease |
| | £1.25 | £1.35 | + £0.10 8% increase |
| | £2.00 | £1.35 | - £0.65 -17.2% decrease |
| | £2.00 | £2.00 | £0.00 -10.3% increase |
| | £2.00 | £1.35 | - £0.65 -16.6% decrease |
| | £1.75 | £1.75 | £0.00 -13.3% increase |
| | £1.25 | £1.33 | + £0.08 -11.1% increase |
| | £1.50 | £1.50 | £0.00 -9.5% increase |
| | £1.49 | £1.49 | £0.00 -8.4% increase |
| Propercorn Salted Caramel Popcorn (90g) | £2.17 | £2.17 | £0.00 No change |
| | £1.80 | £1.80 | £0.00 No change |
| | £1.90 | £2.00 | + £0.10 2.7% increase |
| | £1.70 | £1.58 | - £0.12 -0.6% decrease |
| | £1.35 | £1.35 | £0.00 -0.6% increase |
| | £1.90 | £1.90 | £0.00 No change |
| | £1.50 | £1.50 | £0.00 No change |
| | £1.50 | £1.50 | £0.00 No change |
| | £5.72 | £5.72 | £0.00 No change |
| Butterkist Crunchy Toffee Popcorn (170g) | £1.78 | £1.74 | - £0.04 -2.2% decrease |
| | £1.80 | £2.00 | + £0.20 11.1% increase |
| | £1.80 | £1.65 | - £0.15 1.7% decrease |
| | £1.75 | £1.64 | - £0.11 -1.1% decrease |
| | £2.00 | £1.65 | - £0.35 -5.4% decrease |
| | £2.00 | £2.00 | £0.00 -4.3% increase |
| | £1.50 | £1.50 | £0.00 -3.9% increase |
| | £1.90 | £2.00 | + £0.10 -2.2% increase |
| | £1.49 | £1.49 | £0.00 -2.2% increase |
| Propercorn Sweet & Salty Popcorn Sharing Bag (90g) | £1.74 | £1.77 | + £0.03 1.7% increase |
| | £1.90 | £1.50 | - £0.40 -21.1% decrease |
| | £1.75 | £1.50 | - £0.25 -18% decrease |
| | £1.70 | £1.57 | - £0.13 -14.6% decrease |
| | £2.00 | £2.10 | + £0.10 -9.2% increase |
| | £1.90 | £2.00 | + £0.10 -6.5% increase |
| | £1.90 | £2.00 | + £0.10 -4.3% increase |
| | £1.35 | £2.10 | + £0.75 1.7% increase |
| | £1.39 | £1.39 | £0.00 1.7% increase |
| Propercorn Sweet & Salty Popcorn Multipack (14g) | £1.85 | £1.86 | + £0.01 0.5% increase |
| | £1.75 | £2.25 | + £0.50 28.6% increase |
| | £1.90 | £1.75 | - £0.15 9.3% decrease |
| | £2.00 | £2.10 | + £0.10 8% increase |
| | £1.90 | £2.10 | + £0.20 8.5% increase |
| | £2.00 | £1.75 | - £0.25 4.2% decrease |
| | £1.90 | £1.57 | - £0.33 0.5% decrease |
| | £1.50 | £1.50 | £0.00 0.5% increase |
| Butterkist Sweet & Salted Microwave Popcorn (60g) | £2.09 | £2.09 | £0.00 No change |
| | £2.20 | £2.60 | + £0.40 18.2% increase |
| | £1.75 | £2.50 | + £0.75 28.8% increase |
| | £2.13 | £1.74 | - £0.39 12.3% decrease |
| | £2.50 | £1.75 | - £0.75 0% decrease |
| | £1.75 | £1.75 | £0.00 No change |
| | £2.50 | £2.50 | £0.00 No change |
| | £1.79 | £1.79 | £0.00 No change |
| Butterkist Crunchy Toffee Popcorn (20g) | £1.43 | £1.53 | + £0.10 7% increase |
| | £1.88 | £2.25 | + £0.37 19.7% increase |
| | £1.50 | £1.60 | + £0.10 14.2% increase |
| | £2.25 | £2.25 | £0.00 8% increase |
| | £1.50 | £1.58 | + £0.08 7.9% increase |
| | £1.50 | £1.60 | + £0.10 7.5% increase |
| | £0.41 | £0.41 | £0.00 7.3% increase |
| | £1.00 | £1.00 | £0.00 7% increase |
| Propercorn Lightly Sea Salted Popcorn Sharing Bag (70g) | £1.62 | £1.82 | + £0.20 12.3% increase |
| | £1.90 | £1.50 | - £0.40 -21.1% decrease |
| | £1.75 | £1.50 | - £0.25 -18% decrease |
| | £1.70 | £1.57 | - £0.13 -14.6% decrease |
| | £1.90 | £2.10 | + £0.20 -7.7% increase |
| | £1.90 | £2.00 | + £0.10 -5.5% increase |
| | £1.90 | £2.00 | + £0.10 -3.3% increase |
| | £0.27 | £2.10 | + £1.83 12.3% increase |
