Professors Research Professor Sada 189 198

Market Value

$0.16

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Daily Change

+0.0%

30 Day Change

-15.8%

Price History

Gold is SlabIQ market. Blue / purple are eBay sold daily averages for PSA 10 and PSA 9 when available.

$0.21 → $0.16 (-23.8%)

SlabIQeBay sold · PSA 10

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$324.99$0.16

Oct 23

SlabIQ $0.16

PSA 10 $324.99

Recent eBay Sales

Recent eBay sold comps by grade

$324.99

Oct 11, 2026 · PSA 10

eBay

View sold

$540.16

May 26, 2026 · PSA 10

eBay

View sold

Live eBay Listings

Buy It Now & Best Offer listings in English and Japanese

PSA 10 2

eBay listings for this card have not been collected yet.

IQ Estimated Market Value

Multi-signal valuation when recent sales are sparse or unavailable

IQ Estimated Market Value

$138.70

Confidence

79% · Moderate

Method

Hybrid

Catalog market

$0.16

7d trend

-11.1%

Scarcity score

35/100

Recent sales median

$432.58

Supporting data points (5)

Recent sold comps$432.58
2 recent sales; median 432.58
Weight 35% · Confidence 71%
SlabIQ catalog market$0.16
Catalog NM market 0.16
Weight 30% · Confidence 72%
Set comparable cards$0.37
6 priced cards in Prize Pack Series Cards; set median 0.18, rare rarity adjustment
Weight 22% · Confidence 46%
Trend-adjusted historical$0.14
-11.1% 7d trend applied to base 0.16
Weight 18% · Confidence 78%
Lowest active listing$0.01
Lowest listing 0.01 (slight discount applied)
Weight 12% · Confidence 58%

How this was calculated

1.Limited recent sales (2) — estimate weighted toward catalog and comparable signals with sales as a partial anchor.
2.SlabIQ catalog market for Professors Research Professor Sada 189 198 is 0.16 (NM raw).
3.6 priced cards in Prize Pack Series Cards; set median 0.18, rare rarity adjustment.
4.Recent market trend: -11.1% over ~7 days.
5.Rarity/scarcity (rare, score 35/100) has limited premium impact.
6.Primary method: hybrid blend of sales and model signals.