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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.