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 #7 · 5 September 2026 • 10 min read •Market intelligence
4,405
Eligible gems
6
Picks this issue
£3.31
Lowest entry
Battle Cage · £3.31
This issue · 6 picks from 4,405 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 31% over 90 days, +3% over the last 30 - a steady climb
£6.88
+31% over 90 days
Off the high
Battle Cage
ME02: Phantasmal Flames · 116/094
At 47% of its 52-week high, +2% over the last 30 days
£3.31
-48% over 90 days
Artwork gem
Turtonator
SV07: Stellar Crown · 146/142
Illustration-rarity artwork, priced below the median for its rarity
£4.45
+22% over 90 days
Affordable gem
Alolan Vulpix V
SWSH12: Silver Tempest · 173/195
Under £15 and up 16% over 90 days
£8.93
+16% over 90 days
SM-era gem
Ultra Ball
SM Base Set · 161/149
Sun & Moon-era card, +0% over the last 30 days
£19.06
Value score 3.9
Grading gem
Sudowoodo
SV02: Paldea Evolved · 219/193
A PSA 10 sells for about 9x the raw card
£17.50
+28% over 90 days
02
PICK OF THE ISSUE
Why this one has the highest conviction
Quiet climber · Pick of the issue
Alcremie VMAX
Champion's Path · 23/73 · Ultra Rare
£6.88
Current price
+31.0%
90-day movement
52-week range96% of high
£4.79 low£7.14 high
Alcremie VMAX from Champion's Path is a full-art Ultra Rare that makes an immediate visual impression. The illustration layers confectionery forms into a towering, swirling composition dominated by soft pinks, creams and a scattering of jewel-toned berries and flowers, all set against a prismatic holo background that radiates outward like spun sugar catching the light. The card sits numbered 23/73 within one of the more compact and sought-after sets in the Sword and Shield era, which keeps the pool of available copies relatively shallow. Its 90-day movement has been steady and directional rather than volatile, and it is currently trading very close to its 52-week peak, suggesting the recent run has had genuine staying power rather than being a short-lived spike. Worth watching for collectors who favour Psychic-type artwork or Champion's Path as a set.
Value, momentum, liquidity and rarity, each scored 0-10 with the underlying number shown. Diagnostics, not the selection algorithm.
Quiet climber
Alcremie VMAX
£6.88
+31.0%
VALUErarity+era (845 peers)
2.8
MOMENTUM+31% over 90 days
5.4
LIQUIDITY34 sales / 30d
1.7
RARITYUltra Rare
7.0
52-week range96% of high
£4.79£7.14
Price · last 16 weeks
Sales · last 30 days
Value percentile 54th in Ultra Rare
NEW THIS ISSUE
Off the high
Battle Cage
£3.31
-48.0%
VALUErarity+era (107 peers)
7.3
MOMENTUM-48% over 90 days
0.1
LIQUIDITY86 sales / 30d
4.3
RARITYUltra Rare
7.0
52-week range47% of high
£2.70£7.06
Price · last 16 weeks
Sales · last 30 days
Value percentile 9th in Ultra Rare
RETURNING · 1 issue
Artwork gem
Turtonator
£4.45
+21.8%
VALUErarity+era (392 peers)
9.1
MOMENTUM+22% over 90 days
4.8
LIQUIDITY54 sales / 30d
2.7
RARITYIllustration Rare
8.0
52-week range96% of high
£2.93£4.64
Price · last 16 weeks
Sales · last 30 days
Value percentile 14th in Illustration Rare
NEW THIS ISSUE
Affordable gem
Alolan Vulpix V
£8.93
+16.3%
VALUErarity+era (845 peers)
2.1
MOMENTUM+16% over 90 days
4.4
LIQUIDITY34 sales / 30d
1.7
RARITYUltra Rare
7.0
52-week range98% of high
£0.74£9.09
Price · last 16 weeks
Sales · last 30 days
Value percentile 64th in Ultra Rare
NEW THIS ISSUE
SM-era gem
Ultra Ball
£19.06
-
VALUErarity+era (212 peers)
3.9
MOMENTUMNot available
LIQUIDITY29 sales / 30d
1.4
RARITYSecret Rare
9.0
52-week range99% of high
£18.64£19.33
Price · last 16 weeks
Sales · last 30 days
Value percentile 76th in Secret Rare
NEW THIS ISSUE
Grading gem
Sudowoodo
£17.50
+27.5%
VALUErarity+era (392 peers)
2.4
MOMENTUM+28% over 90 days
5.2
LIQUIDITY48 sales / 30d
2.4
RARITYIllustration Rare
8.0
52-week range98% of high
£8.99£17.95
Price · last 16 weeks
Sales · last 30 days
Value percentile 79th in Illustration 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.
4,405 gems in universe • avg 90-day change: +12.5% • 2,537 cards with 90d data
This issue's picks: Illustration Rare, Secret Rare, Ultra Rare
Price vs 52-week position4,405-gem universe
Are these low-in-range AND affordable? The hidden-gem sweet spot.
Price vs momentum4,405-gem universe
Cheap and climbing, or cheap and dead?
Price distribution4,405-gem universe
Are these cheap or dear within the gem field?
Appreciation - 90 days4,405-gem universe
Are these unusually strong movers?
Universe-wide liquidity is not shown: Pulse liquidity covers featured cards only, so it appears as per-card context, never as a market percentile.
05
COMPARISON SHEET
The whole issue at a glance
One row per pick, columns you won't find elsewhere. Built to be screenshotted.
The issue at a glance6 picks
Card
Category
Price
52-wk position
Rarity value
Momentum
Liquidity
Runs
Alcremie VMAX
Champion's Path · 23/73
Quiet climber
£6.88
96%
6% above median
+31.0%over 90 days
Low
1
Battle Cage
ME02: Phantasmal Flames · 116/094
Off the high
£3.31
47%
49% below median
-48.0%over 90 days
Med
2
Turtonator
SV07: Stellar Crown · 146/142
Artwork gem
£4.45
96%
46% below median
+21.8%over 90 days
Low
1
Alolan Vulpix V
SWSH12: Silver Tempest · 173/195
Affordable gem
£8.93
98%
38% above median
+16.3%over 90 days
Low
1
Ultra Ball
SM Base Set · 161/149
SM-era gem
£19.06
99%
75% above median
-over 90 days
Low
1
Sudowoodo
SV02: Paldea Evolved · 219/193
Grading gem
£17.50
98%
114% above median
+27.5%over 90 days
Low
1
06
WATCH LIST
What nearly made it
Runner-ups from the pool - different cards, forward-looking. The single dimension that held each one back is noted.
Flying Pikachu V
Celebrations · 006/025
£4.95
Up 0% over 90 days (+21% over the last 30)
HELD BACK BY VALUE
Arbok
SV05: Temporal Forces · 176/162
£16.41
Up 27% over 90 days (-6% over the last 30)
HELD BACK BY VALUE
Volo
SWSH11: Lost Origin · 211/196
£5.65
Up 7% over 90 days (+9% over the last 30)
HELD BACK BY MOMENTUM
Machamp
Detective Pikachu · 13/18
£5.51
Up 0% over 90 days (+15% 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.
