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Blastoise EX #XY30, Holo, XY Black Star Promos

  • Card number: #XY30
  • Rarity: Promo

A PSA 10 Blastoise EX #XY30 Holo from XY Black Star Promos has a TCGBerg fair value of $1,312 as of Nov 15, 2026. It rests on 30 recorded sales, the latest on Nov 12, 2026. PSA has graded 124 copies at PSA 10. Sales evidence is limited, so treat this value as a rough estimate.

TCGBerg fair valuePSA 10
As of Nov 15, 2026
$1,312up 66.4%30-day change

TCGBerg Algorithm (estimated from recorded sales).

30 sales · latest Nov 12, 2026

Fair value3 months
Last sale$1,026Nov 12, 202621.8% below fair
5-sale avg$1,461Oct 22Nov 12
Population · PSA 10
124
Market cap
$162.7K
Volatility
20.6%
YTD
↑ 443.2%
Sales evidence
Limited

TCGBerg fair value · PSA 10

$1,312

30D66.4%YTD443.2%
Sales evidenceLimited

Based on 30 recorded sales. Latest sale: Nov 12, 2026.

Market cap
$162.7K
fair value x population
Population
124
graded copies
Last sale
$1,026
-21.8% vs fair
5-sale avg
$1,461
recent sales
Grading

Price history

Open terminalPro

Weekly fair value for PSA 10.

Open in TerminalCandles, every grade, full historyPro

What the evidence says

The last PSA 10 sale, $1,026 on Nov 12, 2026, sits 21.8% below the $1,312 fair value. The value rests on 30 recorded PSA 10 sales. Its confidence band runs from $1,104 to $1,521. A PSA 10 ($1,312) is worth 9.4 times a PSA 9 ($139). Over the past 30 days the PSA 10 value has risen 66.4%. With limited sales evidence, read the gap and the band as rough guides.

TCGBerg fair value by grade

Value at each grade and ungraded condition. Log scale. Tap a row to switch the whole page.

  • Raw NM$9.67Ungraded · market price
  • Raw LP$5.37Ungraded · market price
  • Raw MP$2.93Ungraded · market price
  • Raw HP$2.48Ungraded · market price
  • Raw Damaged$1.86Ungraded · market price
hatched = market price, not a TCGBerg fair value

Behind the scenes

What goes into this price, and how much we know.

Recent sales

20 tracked

Each sale against the grade's fair value on the day it sold.

  • $1,026
    Nov 12, 2026 · via eBay
    PSA10below fair value by 21.8%
  • $930
    Nov 2, 2026 · via Fanatics Collect
    PSA10below fair value by 34.9%
  • $150
    Nov 1, 2026 · via eBay
    PSA8above fair value by 63.1%
  • $1,800
    Oct 25, 2026 · via eBay
    PSA10above fair value by 33.8%
  • $1,700
    Oct 25, 2026 · via eBay
    PSA10above fair value by 26.4%

15 more sales with Pro

Up to 20 recent sales, each with its venue and its gap to fair value.

Includes a sale 26.8% below fair value

All grades matrix

Every grade we track for this printing.

  • PSA10$1,312
    1d 7.3%7d 8.3%30d 66.4%
    Pop
    124
    Mcap
    $162.7K
    Evidence
    Limited
    Last
    $1,026
  • PSA9$139
    1d 0.6%7d 0.7%30d 56.1%
    Pop
    208
    Mcap
    $28.9K
    Evidence
    Limited
    Last
    $108
  • PSA8$98
    1d 0.5%7d 0.7%30d 44.1%
    Pop
    140
    Mcap
    $13.7K
    Evidence
    Sparse
    Last
    $150
PSA10$1,312124$162.7Kdown 8.3%up 66.4%up 335.4%Limited$1,0263d ago
PSA9$139208$28.9Kup 0.7%up 56.1%up 274.5%Limited$1081mo ago
PSA8$98140$13.7Kup 0.7%up 44.1%up 170.6%Sparse$1502w ago
PSA7$3989$3.4Kup 2.0%up 15.8%up 22.7%Limited$351mo ago
PSA6$3951$2.0Kup 2.0%up 15.8%up 55.2%Limited$571mo ago
PSA5$3933-up 2.0%up 34.7%up 72.0%Sparse-
Raw$9.67--down 0.7%down 4.6%down 13.0%--

PSA population report

645 graded copies of Blastoise EX Holo across 6 grades.

PSA 10
124 · 19%
PSA 9
208 · 32%
PSA 8
140 · 22%
PSA 7
89 · 14%
PSA 6
51 · 7.9%
PSA 5
33 · 5.1%

PSA 10 makes up 19% of graded copies: 124 of 645. PSA 9 is the most common grade (32%).

Analysis

Blastoise EX - Holo at PSA 10 carries a TCGBerg fair value of $1,312 as of 2026-11-14. We track a TCGBerg fair value across 6 grades from XY Black Star Promos, from PSA 7 up to PSA 10. A graded population of 124 copies sits behind the PSA 10 grade. The PSA 10 valuation rests on limited sales evidence. Over the past 30 days, the PSA 10 TCGBerg fair value has risen 66.4%.

PSA 10 - frequently asked

How much is a PSA 10 Blastoise EX - Holo from XY Black Star Promos worth?
$1,312 as of 2026-11-14, the model-derived TCGBerg fair value for a PSA 10 Blastoise EX - Holo from XY Black Star Promos. It rests on limited sales evidence. This estimate is not a guaranteed sale price.
What is the graded population of a PSA 10 Blastoise EX - Holo from XY Black Star Promos?
124 copies have been graded at PSA 10, the recorded graded population, not the number of copies printed.
How has the PSA 10 Blastoise EX - Holo from XY Black Star Promos price moved recently?
Its TCGBerg fair value has risen 66.4% over the past 30 days.
What did a PSA 10 Blastoise EX - Holo from XY Black Star Promos last sell for?
The most recent recorded sale was $1,026 on 2026-11-12. This recorded sale is separate from the model-derived fair value.