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Bastiodon #21, Cosmos, DP Mysterious Treasures

  • Card number: #21/123
  • Rarity: Rare
  • Finish: Holo

A PSA 8 Bastiodon #21 Cosmos from DP Mysterious Treasures has a TCGBerg fair value of $95 as of Nov 15, 2026. It rests on 5 recorded sales, the latest on Oct 24, 2026. PSA has graded 16 copies at PSA 8. Sales evidence is limited, so treat this value as a rough estimate.

TCGBerg fair valuePSA 8
As of Nov 15, 2026
$95up 73.6%30-day change

TCGBerg Algorithm (estimated from recorded sales).

5 sales · latest Oct 24, 2026

Fair value3 months
Last sale$160Oct 24, 202669.2% above fair
5-sale avg$66Feb 9Oct 24
Population · PSA 8
16
Market cap
$1.5K
Volatility
20.8%
YTD
↑ 101.2%
Sales evidence
Limited

TCGBerg fair value · PSA 8

$95

30D73.6%YTD101.2%
Sales evidenceLimited

Based on 5 recorded sales. Latest sale: Oct 24, 2026.

Market cap
$1.5K
fair value x population
Population
16
graded copies
Last sale
$160
+69.2% vs fair
5-sale avg
$66
recent sales
Grading

Price history

Open terminalPro

Weekly fair value for PSA 8.

Open in TerminalCandles, every grade, full historyPro

What the evidence says

The latest recorded PSA 8 sale ($160 on Oct 24, 2026) sits 69.2% above the $95 fair value, too far off to read as this grade's price. The value rests on 5 recorded PSA 8 sales. The latest sale ran above the recent run: the last 3 PSA 8 sales averaged $66, within 30.7% of the value. Its confidence band runs from $71 to $118. A PSA 10 ($1,303) is worth 4.9 times a PSA 9 ($267). 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.

Behind the scenes

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

Recent sales

6 tracked

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

  • $500
    Nov 8, 2026 · via eBay
    PSA9above fair value by 87.6%
  • $160
    Oct 24, 2026 · via eBay
    PSA8above fair value by 58.3%
  • $60
    Oct 17, 2026 · via eBay
    PSA8above fair value by 6.5%
  • $16
    Apr 13, 2026 · via eBay
    PSA5below fair value by 3.7%
  • $12
    Feb 9, 2026 · via eBay
    PSA8below fair value by 49.4%

1 more sale with Pro

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

All grades matrix

Every grade we track for this printing.

  • CGC7$20
    1d -7d -30d -
    Pop
    -
    Mcap
    -
    Evidence
    Sparse
    Last
    -
  • CGC6$19
    1d -7d -30d -
    Pop
    -
    Mcap
    -
    Evidence
    Sparse
    Last
    -
  • PSA10$1,303
    1d 0.0%7d 0.0%30d 12.3%
    Pop
    1
    Mcap
    $1.3K
    Evidence
    Sparse
    Last
    -
CGC7$20-----Sparse-
CGC6$19-----Sparse-
PSA10$1,3031$1.3K0.0%down 12.3%up 5.1%Sparse-
PSA9$2676$1.6Kup 0.8%up 224.4%up 311.2%Limited$5001w ago
PSA8$9516$1.5Kup 0.3%up 73.6%up 116.1%Limited$1603w ago
PSA7$955$473up 0.3%up 392.8%up 489.5%Sparse-
PSA6$255$1260.0%up 31.3%up 57.0%Sparse-
PSA5$253-0.0%up 28.3%up 53.5%Sparse$167mo ago

Graded population report

42 graded copies of Bastiodon Cosmos across 10 grades.

PSA 10
1 · 2.4%
PSA 9
6 · 14%
PSA 8
16 · 38%
PSA 7
5 · 12%
PSA 6
5 · 12%
PSA 8.5
1 · 2.4%
PSA 5
3 · 7.1%
PSA 4
2 · 4.8%
PSA 3
1 · 2.4%
PSA 2
2 · 4.8%

PSA 8 makes up 38% of graded copies: 16 of 42. It’s the most common grade for this card.

Analysis

Bastiodon-Holo Cosmos - Cosmos at PSA 10 carries a TCGBerg fair value of $1,303 as of 2026-11-14. We track a TCGBerg fair value across 8 grades from DP Mysterious Treasures, from CGC 6 up to PSA 10. A graded population of 1 copies sits behind the PSA 10 grade. The PSA 10 valuation rests on sparse sales evidence. Over the past 30 days, the PSA 10 TCGBerg fair value has fallen 12.3%.

PSA 8 - frequently asked

How much is a PSA 8 Bastiodon-Holo Cosmos - Cosmos from DP Mysterious Treasures worth?
$95 as of 2026-11-14, the model-derived TCGBerg fair value for a PSA 8 Bastiodon-Holo Cosmos - Cosmos from DP Mysterious Treasures. It rests on limited sales evidence. This estimate is not a guaranteed sale price.
What is the graded population of a PSA 8 Bastiodon-Holo Cosmos - Cosmos from DP Mysterious Treasures?
16 copies have been graded at PSA 8, the recorded graded population, not the number of copies printed.
How has the PSA 8 Bastiodon-Holo Cosmos - Cosmos from DP Mysterious Treasures price moved recently?
Its TCGBerg fair value has risen 73.6% over the past 30 days.