TCGBerg fair value· PSA 8Estimated value from recent sales using TCGBerg's adaptive blend methodology: a weighted mix of time-decayed EWMA, trimmed median, and recent-window robust estimators.Learn more →
$527
Our estimate of a fair value of this card based on our proprietary pricing algorithm and recent verified sales.
Data quality moderate56/100
30D performance↑36.9%
30D↑ 36.9%
YTD↑ 38.3%
MCAP$23.2K
VOL11.2%
Last sale
$650
PSA 8 · May 27, 2026
23.3% above TCGBerg fair value
5-sale avg
$548
last 5 sales
Population · PSA 8
44
graded copies
Price spectrum
The bar shades green (below fair) to red (above), saturating at ±25%: the statistical band where most sales and listings cluster.
No price-spectrum data for this grade yet.
Price historyWeekly fair value over time, plus a confidence band around it: how precisely we can pin the value, which tightens as more sales confirm it. Dots mark individual sales, snapped to their week: red when above fair value (a premium), green when below (a deal), hollow when flagged as an outlier. Switch the active grade with the selector above.
Showing weekly fair value for PSA 8. Shaded area is the confidence band: how precisely we can pin the value; it tightens as more sales confirm it. Dots are individual sales. Confidence band: how precisely we can pin the fair value. It widens when sales scatter and narrows as more sales back the value up. The dots show the actual sale prices.
tcgberg.com
TCGBerg fair value · PSA 8Sale below fairSale above fairOutlier
Jun 22, 202552 weekly points · 5 salesJun 12, 2026
TCGBerg fair value by gradeSide-by-side comparison of fair value across every grade we track for this printing. The bar chart uses a log scale so raw and gem-mint fit on one axis.
Implied fair value at each grade, on a log scale that spans the full range from raw at $212 up to gem-mint at $663.
tcgberg.com
All grades matrix
Every grade we track for this printing. Click any column header to sort; the rightmost column jumps you to listings for that grade.
Listings
PSA9
$663
16
$10.6K
·0.0%
·0.0%
·0.0%
·0.0%
—
36
$6009mo ago
PSA8
$527
44
$23.2K
·0.0%
·0.0%
↑36.9%
↑36.9%
—
56
$6502w ago
PSA7
$301
40
$12.0K
·0.0%
·0.0%
·0.0%
↓0.3%
—
44
$3153mo ago
PSA6
$212
54
$11.4K
·0.0%
·0.0%
↑0.1%
↓0.2%
—
43
$2503mo ago
Active listings on eBayLive asking prices from eBay sellers. The delta shows how each ask compares to TCGBerg's quoted fair value for that grade. Verified deals are marked from the published analytics feed.
No active listings tracked for this printing yet.
About Base Set
This printing in the context of its parent set: total set cap and this printing's share of it.
Most recent transactions from public auction comps and dealer reporting. Showing 5 of 5; delta vs fair value is the difference between the sale price and the grade's quoted fair value on that date.
Date
Grade
Price
Source
vs TCGBerg FV
May 27, 2026
PSA8
$650
ebay
↑23.3%
May 15, 2026
PSA8
$750
ebay
↑42.2%
Feb 6, 2026
PSA8
$450
ebay
↓14.6%
Feb 1, 2026
PSA8
$479
ebay
↓9.1%
Oct 12, 2025
PSA8
$410
ebay
↓22.2%
May 27, 2026PSA8
$650↑23.3%
via ebay
May 15, 2026PSA8
$750↑42.2%
via ebay
Feb 6, 2026PSA8
$450↓14.6%
via ebay
Feb 1, 2026PSA8
$479↓9.1%
via ebay
Oct 12, 2025PSA8
$410↓22.2%
via ebay
Population & rarityHow Blastoise's graded copies are spread across grades. Each bar is the number of copies graded at that grade; the percentage is that grade's share of the total graded population. Fewer copies at a grade = scarcer = a scarcity premium.
154 graded copies of Blastoise Red Dot Error across 4 grades. The selected grade is highlighted.
PSA 9
16 · 10%
PSA 8
44 · 29%
PSA 7
40 · 26%
PSA 6
54 · 35%
PSA 8 makes up 29% of graded copies: 44 of 154. PSA 6 is the most common grade (35%).
Relative valuation vs. indexBoth series are indexed to 100 at May 10, 2026, the index’s inception date, not the start of the selected range. A divergence means the card has outperformed or underperformed the index since then, by exactly the percentage-point gap.
How PSA 8 has moved relative to Base Set · Composite since May 10, 2026. Both indexed to 100 at the index’s inception. Card outperformed by 48.3 pp.
tcgberg.com
Analysis
Blastoise-Holo Red Dot Error - Red Dot Error at PSA 9 carries a TCGBerg fair value of $663 as of 2026-06-11. We track a TCGBerg fair value across 4 grades from Base Set, from PSA 6 up to PSA 9. A graded population of 16 copies sits behind the PSA 9 grade. The PSA 9 valuation carries low confidence (a confidence score of 36). Over the past 30 days, the PSA 8 TCGBerg fair value has risen 36.9%.
Show more analysis
PSA 9 commentary
The TCGBerg fair value of a PSA 9 Blastoise-Holo Red Dot Error - Red Dot Error is $663 as of 2026-06-11. 16 copies have been graded at this level. This valuation carries low confidence (a confidence score of 36). The most recent recorded sale was $600 on 2025-09-21.
PSA 9 — frequently asked
What is the TCGBerg fair value of a PSA 9 Blastoise-Holo Red Dot Error - Red Dot Error?
$663 as of 2026-06-11, our model-derived fair value for a PSA 9 Blastoise-Holo Red Dot Error - Red Dot Error based on recent graded sales.
How rare is a PSA 9 Blastoise-Holo Red Dot Error - Red Dot Error?
16 copies have been graded at PSA 9, the graded population behind this atom.
PSA 8 commentary
The TCGBerg fair value of a PSA 8 Blastoise-Holo Red Dot Error - Red Dot Error is $527 as of 2026-06-11. 44 copies have been graded at this level. This valuation carries medium confidence (a confidence score of 56). Over the past 30 days the TCGBerg fair value has risen 36.9%. The most recent recorded sale was $650 on 2026-05-27.
PSA 8 — frequently asked
What is the TCGBerg fair value of a PSA 8 Blastoise-Holo Red Dot Error - Red Dot Error?
$527 as of 2026-06-11, our model-derived fair value for a PSA 8 Blastoise-Holo Red Dot Error - Red Dot Error based on recent graded sales.
How rare is a PSA 8 Blastoise-Holo Red Dot Error - Red Dot Error?
44 copies have been graded at PSA 8, the graded population behind this atom.
How has the PSA 8 Blastoise-Holo Red Dot Error - Red Dot Error price moved recently?
Its TCGBerg fair value has risen 36.9% over the past 30 days.
PSA 7 commentary
The TCGBerg fair value of a PSA 7 Blastoise-Holo Red Dot Error - Red Dot Error is $301 as of 2026-06-11. 40 copies have been graded at this level. This valuation carries medium confidence (a confidence score of 44). Over the past 90 days the TCGBerg fair value has fallen 0.3%. The most recent recorded sale was $315 on 2026-03-09.
PSA 7 — frequently asked
What is the TCGBerg fair value of a PSA 7 Blastoise-Holo Red Dot Error - Red Dot Error?
$301 as of 2026-06-11, our model-derived fair value for a PSA 7 Blastoise-Holo Red Dot Error - Red Dot Error based on recent graded sales.
How rare is a PSA 7 Blastoise-Holo Red Dot Error - Red Dot Error?
40 copies have been graded at PSA 7, the graded population behind this atom.
How has the PSA 7 Blastoise-Holo Red Dot Error - Red Dot Error price moved recently?
Its TCGBerg fair value has fallen 0.3% over the past 90 days.
PSA 6 commentary
The TCGBerg fair value of a PSA 6 Blastoise-Holo Red Dot Error - Red Dot Error is $212 as of 2026-06-11. 54 copies have been graded at this level. This valuation carries medium confidence (a confidence score of 43). Over the past 30 days the TCGBerg fair value has risen 0.1%. The most recent recorded sale was $250 on 2026-03-08.
PSA 6 — frequently asked
What is the TCGBerg fair value of a PSA 6 Blastoise-Holo Red Dot Error - Red Dot Error?
$212 as of 2026-06-11, our model-derived fair value for a PSA 6 Blastoise-Holo Red Dot Error - Red Dot Error based on recent graded sales.
How rare is a PSA 6 Blastoise-Holo Red Dot Error - Red Dot Error?
54 copies have been graded at PSA 6, the graded population behind this atom.
How has the PSA 6 Blastoise-Holo Red Dot Error - Red Dot Error price moved recently?
Its TCGBerg fair value has risen 0.1% over the past 30 days.
Related
Other printings of Blastoise and indices that include this card in their constituent basket.
