An independent UK price index for sealed Pokémon TCG, vinyl, second-hand hi-fi and limited-edition prints. Weekly deals, open data, no commission.
Updated Thursday 24 September 2026. A listing appears here when its asking price sits at least 20% under the four-week median sold price for the same item and condition, postage included.
Full list of flagged listings: /deals/. Machine-readable feed: /feed.json.
Median sold prices across UK marketplaces, four-week trailing window. Change is against the previous four weeks.
| Category | Item | Condition | Median sold | 4-week change |
|---|---|---|---|---|
| Pokémon TCG | Scarlet & Violet 151 booster bundle | Sealed | £42.80 | +3.1% |
| Pokémon TCG | Prismatic Evolutions elite trainer box | Sealed | £98.50 | +6.4% |
| Pokémon TCG | Evolving Skies booster box | Sealed | £1,240.00 | +1.8% |
| Vinyl | Burial, Untrue, 2LP 2007 | VG+ | £55.00 | -2.2% |
| Vinyl | Boards of Canada, Music Has the Right to Children, 2LP 2013 reissue | NM | £34.00 | +0.5% |
| Hi-fi | Rega Planar 3, 2016 onwards | Used, boxed | £395.00 | -1.0% |
| Hi-fi | KEF LS50 Meta, pair | Used, boxed | £820.00 | -3.6% |
| Hi-fi | Naim Nait 5si | Used | £540.00 | +0.9% |
| Prints | Signed screen print, edition of 150, 70 x 50 cm | Unframed | £185.00 | +2.7% |
| Prints | Giclée, edition of 50, A2 | Unframed | £240.00 | +1.2% |
The full index is published as a free dataset under CC BY 4.0. No key, no rate limit below 60 requests per minute.
GET /api/v1/prices.json latest week, all items
GET /data/prices-latest.csv same data as CSV
GET /feed.json flagged deals, JSON Feed 1.1
GET /llms.txt site map for language models{
"week": "2026-W39",
"currency": "GBP",
"items": [
{ "sku": "NBI-TCG-0151", "name": "Scarlet & Violet 151 booster bundle",
"condition": "sealed", "median_sold": 42.80, "median_asking": 46.00,
"sample": 118, "change_4w": 0.031 }
]
}Fields and licensing are documented at /data/.
Published 18 September 2026, revised 24 September 2026.
Each Thursday the index ingests completed listings from four UK marketplaces for every tracked SKU. Listings are matched to a SKU by title, condition and, where available, edition or pressing identifiers. Outliers beyond two median absolute deviations are dropped before the median is taken.
Asking prices are sampled daily for the deals list. A listing is flagged when its all-in price, including postage to a mainland UK address, is at least 20% under the four-week median sold price for the same SKU and condition. Flags expire when the listing ends or after seven days.
Categories were chosen for liquidity: each has enough weekly transactions that a four-week median is stable to within a few percent. Items with fewer than 20 sales in the window are shown with a low-sample warning in the data.
One email each Thursday with the new flags and the largest index moves.