Hidden Gems: 6 Pokemon Cards Flying Under the Radar - September 2026
Hidden Gems: 6 Pokemon Cards Flying Under the Radar - September 2026
Hidden GemsMonster Card Corner · Editorial
Hidden Gems
Six cards flying under the radar - cheap against their rarity peers, quietly climbing, still off their yearly highs.
Issue #8 · 12 September 2026 • 10 min read •Market intelligence
4,359
Eligible gems
6
Picks this issue
£3.50
Lowest entry
Alolan Muk · £3.50
This issue · 6 picks from 4,359 eligible gems
Every card here is overlooked relative to its own profile - cheap against genuine rarity peers, quietly moving, and still well off its yearly high. This is not a chase list. We screen the catalogue on deterministic rules, then read each pick across four dimensions so you can see exactly why it qualified.
01
THE SCORECARD
What we picked this issue
One card per filled category - the rule each one satisfied is stated plainly.
Quiet climberPick of issue
Alcremie VMAX
Champion's Path · 23/73
Up 18% over 90 days, -3% over the last 30 - a steady climb
£7.29
+18% over 90 days
Off the high
Magikarp
SWSH02: Rebel Clash · 039/192
At 11% of its 52-week high, +779% over the last 30 days
£17.46
+417% over 90 days
Artwork gem
Frogadier
ME04: Chaos Rising · 089/086
Illustration-rarity artwork, priced below the median for its rarity
Alcremie VMAX from Champion's Path is an Ultra Rare numbered 23/73, and its full-art treatment is immediately striking. The composition centres Gigantamax Alcremie as a towering confection, rendered in swirling pinks, creams and jewel-bright accents against a cosmic rainbow background that radiates outward in tight, luminous arcs. The layered toppings, each a distinct colour and texture, give the artwork an almost sculptural quality, and the holographic treatment intensifies every pastel band across the card's surface. It has posted a solid run over the past three months while sitting very close to its fifty-two-week high, making it one of the more quietly consistent performers in the Champion's Path Ultra Rare bracket. Worth watching for collectors who favour set-completion pieces with genuine visual appeal.
Value, momentum, liquidity and rarity, each scored 0-10 with the underlying number shown. Diagnostics, not the selection algorithm.
Quiet climber
Alcremie VMAX
£7.29
+18.4%
VALUErarity+era (845 peers)
2.7
MOMENTUM+18% over 90 days
4.6
LIQUIDITY34 sales / 30d
1.7
RARITYUltra Rare
7.0
52-week range92% of high
£5.27£7.93
Price · last 16 weeks
Sales · last 30 days
Value percentile 55th in Ultra Rare
RETURNING · 1 issue
Off the high
Magikarp
£17.46
+416.9%
VALUErarity+era (1426 peers)
0.0
MOMENTUM+100% over 90 days
10.0
LIQUIDITY36 sales / 30d
1.8
RARITYCommon
1.0
52-week range11% of high
£9.25£163
Price · last 16 weeks
Sales · last 30 days
Value percentile 98th in Common
NEW THIS ISSUE
Artwork gem
Frogadier
£6.89
-57.5%
VALUErarity+era (120 peers)
2.5
MOMENTUM-50% over 90 days
0.0
LIQUIDITY225 sales / 30d
10.0
RARITYIllustration Rare
8.0
52-week range18% of high
£6.26£38.71
Price · last 16 weeks
Sales · last 30 days
Value percentile 37th in Illustration Rare
NEW THIS ISSUE
Affordable gem
Arceus VSTAR
£14.90
+118.3%
VALUErarity+era (275 peers)
2.0
MOMENTUM+100% over 90 days
10.0
LIQUIDITY37 sales / 30d
1.8
RARITYSecret Rare
9.0
52-week range91% of high
£3.95£16.38
Price · last 16 weeks
Sales · last 30 days
Value percentile 68th in Secret Rare
RETURNING · 1 issue
SM-era gem
Alolan Muk
£3.50
-
VALUErarity+era (466 peers)
3.1
MOMENTUMNot available
LIQUIDITY8 sales / 30d
0.4
RARITYHolo Rare
3.0
52-week range72% of high
£3.21£4.84
Price · last 16 weeks
Sales · last 30 days
Value percentile 25th in Holo Rare
NEW THIS ISSUE
Grading gem
Milotic
£7.31
-
VALUErarity+era (845 peers)
2.7
MOMENTUMNot available
LIQUIDITY64 sales / 30d
3.2
RARITYUltra Rare
7.0
52-week range74% of high
£6.02£9.93
Price · last 16 weeks
Sales · last 30 days
Value percentile 56th in Ultra Rare
NEW THIS ISSUE
Momentum is winsorised - a single spike can't max the bar. Liquidity is Pulse-sourced for featured cards only; where absent it reads "Not available", never zero.
04
MARKET SNAPSHOT
Where these sit in the wider gem market
The full eligible gem universe, with this issue's picks marked. Context, not card detail.
4,359 gems in universe • avg 90-day change: +27.1% • 2,530 cards with 90d data
Runner-ups from the pool - different cards, forward-looking. The single dimension that held each one back is noted.
Cubone
SM - Unbroken Bonds · 90/214
£11.87
Up 0% over 90 days (+292% over the last 30)
HELD BACK BY VALUE
Altaria
Dragon Majesty · 40/70
£6.33
Up 0% over 90 days (+230% over the last 30)
HELD BACK BY VALUE
Butterfree
Hidden Fates · 3/68
£4.26
Up 0% over 90 days (+154% over the last 30)
HELD BACK BY RARITY
Blastoise
SM - Team Up · 25/181
£15.66
Up 0% over 90 days (+137% over the last 30)
HELD BACK BY VALUE
Prices are catalogue values and move with the market. Worth watching - not a promise of any return.
07FAQ
Hidden Gems, answered
How we screen for overlooked cards, what the four scores mean, and how to read each issue.
01What is Hidden Gems?⌄
Hidden Gems is Monster Card Corner's fortnightly screen of Pokemon TCG singles that look overlooked relative to their own profile - cards that are cheap against their genuine rarity peers, quietly climbing, and still sitting well off their yearly high. It is a collecting guide, not investment advice.
02How does Hidden Gems choose cards?⌄
Each issue we screen the tracked catalogue on deterministic rules across four dimensions - value (rarity-relative affordability), momentum (winsorised 90-day movement), liquidity (Pulse sales for featured cards) and rarity - then fill a fixed set of categories such as Quiet Climber, Artwork Gem, Affordable Gem and Grading Opportunity.
03What makes a card a “hidden gem”?⌄
A hidden gem is priced low against other cards of the same rarity and era, has been moving up quietly rather than spiking, and is still trading below its 52-week high. The idea is overlooked-relative-to-profile, not chasing whatever is already pumping.
04What do the four scores mean?⌄
Each featured card carries four 0-10 diagnostic bars. Value rewards cards that are cheap versus their rarity peers; Momentum reflects winsorised 90-day price movement so a single spike can't max it; Liquidity is Pulse-sourced sales for featured cards only and reads “Not available” when absent; Rarity is a fixed, versioned rarity map. They explain each pick - they are not the selection algorithm.
05Is Hidden Gems investment advice?⌄
No. Hidden Gems is a collecting guide. Prices are catalogue values that move with the market, there are no price predictions, and nothing here is financial advice - only what we think is worth watching.
06How often is Hidden Gems updated?⌄
Hidden Gems runs fortnightly, with a fresh screen of the eligible gem universe and a new set of picks each issue.
What to watch next
Every issue we run the same screens. When a card holds its new floor while staying off its high, it earns a second look. The ones that nearly qualified this issue are the ones worth watching.
Hidden Gems runs fortnightly. This is a collecting guide, not investment advice - no price predictions, only what's worth watching.
