Mercari Stock Plunges 30% in a Month, Hit by Pokémon Card Listing Ban and Resale Backlash

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The story

Mercari’s stock closed trading on September 16 down ¥247 (6.39%) from the previous day at ¥3,621. That marks a roughly 29% drop in about a month from its year-to-date high of ¥5,111 set on August 10, following three sharp sell-offs since the start of September. What drew attention during this downturn was the ban on listing the latest Pokémon Card series, along with criticism over resale and misuse. On 5channel threads, users traded observations that even after the ban policy was announced, a search still turned up the targeted items for sale, alongside the view that Mercari can’t bring itself to enforce strict regulations since scalpers are paying customers too. Criticism that the platform has become a breeding ground for criminal proceeds coexisted with an investor’s-eye view that over-regulating would cut into sales and hurt the stock price.

Published 9/16 (Wed) 16:25

ITmedia NEWS

Mercari’s stock closed trading on September 16 down ¥247 (6.39%) from the previous day at ¥3,621. It had marked a year-to-date high of ¥5,111 on August 10, but after three sharp sell-offs since the start of September, it fell about 29% in roughly a month.

Source: news.yahoo.co.jp / Original article here

What people said

2AnonymousSep 16, 2026 21:40
Gotta buy some!
42AnonymousSep 16, 2026 21:54
This company is seriously toxic
46AnonymousSep 16, 2026 21:56
Lately every popular character collab product causes some kind of trouble
13AnonymousSep 16, 2026 21:44
Sick of the resale criticism and the Pokémon card resale ban alike
The headline alone sounds self-contradictory
15AnonymousSep 16, 2026 21:45
Re: #13
It's the resellers (scalpers) people hate, I'd guess
35AnonymousSep 16, 2026 21:51
Try searching "Pokémon card 30th anniversary" on Mercari
Not regulated at all lol
38AnonymousSep 16, 2026 21:52
Re: #35
Everyone saw that coming
All talk, as usual
Regulation's way overdue
37AnonymousSep 16, 2026 21:51
Pokémon cards have gotten out of hand to begin with
Why does a piece of paper with some sparkles on it go for tens of millions of yen
There should be a law capping prices at like 1,000x the production cost
39AnonymousSep 16, 2026 21:53
Re: #37
That's been a thing since way back in the Yu-Gi-Oh! days
45AnonymousSep 16, 2026 21:55
Re: #37
Some old guy's amateur artwork sells for tens of billions of yen
If you reject that logic, you might as well say paintings and art are worthless too
51AnonymousSep 16, 2026 21:57
If they gave out Pokémon cards and Chiikawa merch as shareholder perks, the stock would go up
52AnonymousSep 16, 2026 21:57
What's the logic in saying resale of legitimately-obtained items is fine for some stuff but not others?
57AnonymousSep 16, 2026 22:00
Re: #52
Probably just goes by whichever gets the most complaints?
55AnonymousSep 16, 2026 21:59
I don't really get it, but are people buying Pokémon cards as an investment?
60AnonymousSep 16, 2026 22:01
Re: #55
That's basically what it's become now
It's a form of speculation
Feels like it really heated up once overseas celebrities started buying them up in bulk
75AnonymousSep 16, 2026 22:09
If a decent alternative to Mercari for online marketplaces ever showed up
everyone could jump ship in an instant
76AnonymousSep 16, 2026 22:11
Re: #75
Not really
Having the most users is what wins in the end
82AnonymousSep 16, 2026 22:14
There's quite a bit I'd like to sell on Mercari,
but the shipping fees are insanely high.
If you're not careful, shipping ends up costing more than the item itself.

It's a tricky business.
90AnonymousSep 16, 2026 22:19
Re: #82
There's always secondhand shops
84AnonymousSep 16, 2026 22:16
If the police or tax office ever got serious about this, it'd be curtains (糸冬 is a stylized split spelling of 終, "the end")
89AnonymousSep 16, 2026 22:18
Re: #84
Good momentum, but they'll probably let it slide since it's a hassle
They should at least crack down on the blatant cases
97AnonymousSep 16, 2026 22:22
But what do you do with loose trading cards or ones you don't use anymore?
Go back to using イエサブ (Yellow Submarine, a hobby/trading-card shop chain) like the old days?

Though these days it's more about pouring money into digital gacha and collecting that way
104AnonymousSep 16, 2026 22:25
Re: #97
Do it like the old days — hold swap-meet events where everyone brings their cards
For students, just trade with friends
That's what they were made for in the first place — trading cards aren't supposed to be a way to make money
112AnonymousSep 16, 2026 22:28
From Mercari's perspective, scalpers are customers too
Even this smallish listing ban was enough to tank the stock
I hate to say it, but that's just how it is
118AnonymousSep 16, 2026 22:31
Re: #112
That's why it's the Japanese government's fault for not regulating this by law
126AnonymousSep 16, 2026 22:35
I hear it's being used for money laundering (マネロン) these days too
Why is it just left unchecked?
129AnonymousSep 16, 2026 22:37
Re: #126
Because officially, they deny it
163AnonymousSep 16, 2026 22:59
Honestly the image is so bad there's no way I'd ever add it to my portfolio
169AnonymousSep 16, 2026 23:02
Re: #163
Same here
Normally I'd buy, but there are just too many problems
It's a breeding ground for crime and trouble
170AnonymousSep 16, 2026 23:02
Re: #163
If you get too hung up on ESG, it won't grow
You've gotta just go by the numbers
171AnonymousSep 16, 2026 23:04
Pokémon card listing ban (yeah, right)


i.imgur.com/2gV4WsX.jpeg
173AnonymousSep 16, 2026 23:05
Re: #171
It's messed up how the "shrink-wrapped" label means absolutely nothing (shrink wrap is supposed to prove the box is unopened)
187AnonymousSep 16, 2026 23:14
Re: #171
Nintendo should really just sue already
175AnonymousSep 16, 2026 23:09
Once people realize the proceeds of crime — which never seem to get cleaned up — are flowing back to shareholders, won't they just sell off the stock?
181AnonymousSep 16, 2026 23:11
Re: #175
Mercari pays its employees well but doesn't pay dividends,
so shareholders are basically thinking "I don't care if it's resale or whatever, just turn a profit, push the stock up, and buy back shares"
176AnonymousSep 16, 2026 23:09
Mercari stock was up around ¥7,000 back in 2021, you know
I remember buying in at ¥2,500 and just sitting on it for about a year
182AnonymousSep 16, 2026 23:12
Re: #176
Right after the Switch shortage panic in the early days of COVID, huh
186AnonymousSep 16, 2026 23:13
Apparently criminals would be in serious trouble without Mercari
189AnonymousSep 16, 2026 23:15
Re: #186
If Mercari couldn't be used for criminal activity, the company's value would plummet

Background and Points of Debate

Mercari is a platform that facilitates consumer-to-consumer flea-market transactions, and since how strictly it restricts listings directly affects the volume of goods in circulation and its transaction totals, investors tend to react sharply to regulation-related news. What split opinion in the thread was how effective the ban actually is: some pointed out that even after the “ban” was announced, a search still turned up the targeted items for sale, raising doubts about enforcement — alongside the opposing view that “if they actually crack down hard, sales will drop, and that’s bad for the stock.” Concerns that flea-market apps are being used to cash out stolen goods or launder money have circulated in some corners for a while, but Mercari itself denies any involvement, and it’s worth noting the posts in this thread are ultimately just speculation on an anonymous message board. The original article doesn’t attribute the stock’s decline to any single measure, and the breakdown behind each of the three recent sharp drops hasn’t been made clear.

*This article is excerpted and summarized from the 5channel (News Speed+) thread “[Stock Price] Mercari Shares Plunge, Down 30% in a Month — Latest Pokémon Card Listing Ban Draws Backlash, Resale and Fraud Criticism Continues.”

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