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TCIN Manager

What’s new

Changes to the site itself — new features, improvements and fixes.

This page is about the site. For price and market moves on the products, see market activity.

9 September 2026

New Show only the products on your list. Paste a list of twelve and the page still showed all 228. One button in the list bar now hides everything else, and it works alongside the search box and the filters. It stays off until you ask for it — browsing the whole catalog is still what the site is for.
Fixed Tiers said they accounted for fees and shipping. They don’t. That deduction was removed on 4 September, because it assumed you resell through one particular marketplace at one particular fee — and most people don’t. The legend and the how-it-works page had gone on claiming it. A tier is the market price over Target’s price, and nothing else.
Fixed Unreleased products showed a multiple as if it had been traded. A box that isn’t out yet read “2.5× retail” in the same type as one that has been selling for a year. Nothing has sold, so nothing has traded: those cards now read “pre-order 2.5×”. The site already left pre-release prices out of every chart for this exact reason.
Fixed “24 new items” above a page showing eight. The strip at the top counted what had been added to the catalog in a fortnight; the NEW stickers mark what Target put on sale in the last month. Both were right, and they were using the same word for it. The strip now says “added”.
Fixed Huge “Target price” jumps that Target never made. Eight entries on the market activity page showed shelf prices doubling or halving. Those are us correcting prices we had read wrongly in late August, not Target moving anything, and they are now labelled as such rather than presented as news.
Improved The how-it-works page counts instead of remembering. It claimed a third of the catalog had no market price (it was under a fifth) and that eleven listings had been kept out (it was twenty-two). Those sentences are now counted from the published data every time the page loads, so they can’t drift again.
Improved Product names stop repeating their set. A card headed “30TH CELEBRATION” then called itself “30th Celebration Greninja ex”, spending both lines of the title on a word already directly above it. It now just says “Greninja ex”.

8 September 2026

Fixed A green arrow next to a falling red line. The trend arrow read the last 30 days while the mini chart beside it drew whatever history the product had — so the two openly disagreed on the same card, each correct about a different period. The arrow is gone. The chart’s own colour says it.
Improved Mini charts got the width of the card. They were a small squiggle floating at the right edge of every card while everything else was left-aligned. Same height, four times the detail.

7 September 2026

New Charts now say what happened. A price can fall a third in four days with nothing on the page to explain it. Restocks, reprints and set rotations are now marked on the chart and listed underneath, so a drop reads as an event rather than a mystery. Written by hand, because no price feed announces a reprint.
Fixed A panel that claimed a year of history it didn’t have. Products we have tracked for eight months still said “from 1-yr high.” It now names the window actually measured.
Fixed Sparklines drawn outside their cards. On a full grid the little charts spilled into the gaps between products. They now sit on their own line inside the card.

6 September 2026

New Price history for every priced product, back to February 2024. Each product carries a small 90-day chart, and clicking it opens the full history: the market price day by day, the lowest listing, Target’s shelf price and the release date. Up to two and a half years of it, where the product is that old.
New A plain-English read on where a product sits. Some products now carry a short label — launch window, reprint wave, near a 1-year high, recovering, still in print. At most one, and most products have none: it means a recognisable pattern, not that we checked. Nothing here is advice.
New How a product compares to the rest of the market. A sealed-market index per game, drawn on every chart, so you can tell a product falling on its own from one falling because everything is. Pokémon sealed has roughly tripled since February 2024.
New Whether a set is running hot for its age. Sets follow a shape: a launch premium, a dip while it is still being printed, then a climb once it isn’t. Each Pokémon set now shows its month since release against what a typical set does at the same age.
Improved Trend arrows no longer appear on unreleased products. Pre-order prices are speculation, not a market. They are now left out of every trend and chart, so a product that hasn’t shipped can’t show as “falling.”

31 August 2026

Fixed The ticker was reporting our own corrections as price moves. It carried Target price changes as well as market price ones, and most of those turned out to be us fixing prices we had read wrongly in the first place — shown as if Target had moved them. The ticker is now market price only.
Fixed “NEW” on products that were years old. Where Target publishes no release date, the badge fell back to when the product was added here — so 2024 stock catalogued last week looked brand new. A set’s own release date now rules that out.

30 August 2026

New Market activity page. The full history of price moves, market price moves and newly added products, grouped by day and filterable — rather than just the newest few in the strip on the front page.
Improved Almost every set now shows its release date. Sets without one sorted to the bottom in alphabetical order, which told you nothing. Down from 11 undated sets to 5, and those five genuinely aren’t sold as sets on TCGplayer.
Improved More products now have a market price. Where the automatic matcher can find the right set but can’t tell two similar products apart — a “1-Tab” and a “3-Tab” box share a name on Target — a person now picks the right one by hand instead of the item going unpriced.

29 August 2026

New A scrolling ticker of market price moves. What actually moved, at the top of the page, using short set codes. Clicking one jumps to that item rather than applying a filter you then had to work out how to clear.
Improved “NEW” now means newly released, not newly added here. It used to flag anything recently added to our database, so backfilling a 2023 product looked identical to a genuine new release. It now uses Target’s own on-sale date. Products that aren’t out yet show their release date instead of a NEW badge.
Improved Flagged listings show the actual product. A third-party listing used to be a red box with a number in it. Being flagged says something about the listing, not the product, so the name, photo, price and market price are all shown — the warning is the exception on a normal card, not a replacement for one.
Fixed Some retail prices were wrong. The wrong element on Target’s page was being read for certain products. Because a tier is market price divided by retail price, a wrong price quietly distorted both the tier and the “most expensive first” ordering within a set.
Improved Pasted TCINs we don’t know get checked faster. An unknown TCIN used to wait up to a day to be looked up and published. It’s now usually resolved and live within about 20 minutes.

28 August 2026

New All five games, not just Pokémon. Magic, Lorcana, One Piece and Yu-Gi-Oh joined the catalogue, with real market prices rather than estimates.
New Sets ordered by release date, newest first. Alphabetical put “151” next to “30th Celebration” next to “Ascended Heroes”. Release order matches how people actually think about sets.
New A “How it works” page. Where the prices come from, what the tiers mean, and what this site deliberately doesn’t claim to know.
Improved The paste box is open by default. The main thing the site is for was hidden behind a collapsed row that looked like every other collapsed row.
Fixed Magic products had no market prices at all. Sets whose name matched several TCGplayer sets were being skipped entirely rather than resolved.

Older work predates this log. Nothing before 28 August 2026 is recorded here — not because nothing changed, but because we weren’t writing it down yet.