Professor's Research
Crown Zenith · #150 · FAT$1.79fair value $3.34
▼ 46% underPriced below fair value.
Market readSimilar cards →
StableNo material movement in price, demand, or supply. A description of the data today, not a forecast.
30 daysPrice−12%Sales−12%Listings+4%
Repriced 2026-10-28 · Fair value is descriptive, not a forecast
Fair-Value Lab PremiumNudge the fundamentals and watch fair value respond. Explore scenarios for this card.
Start free trialPrice history
Raw priceRaw
$1.88▼ −$0.11 (−5.5%)past 90 days
$1.70$2.00$2.30$2.60$1.88
Aug 1Aug 23Sep 14Oct 5Oct 27
Market price
Latest raw market price · $1.88 · Oct 27, 2026Grading
Grade ladder
Confidence (High / Med / Low) is how much recorded sale history backs the price. Low means only a few sales, so treat it as directional. Prices are eBay-sold medians; ×raw is the grading premium; sales count the last 30 days.What this card sells for at each grade, and how many sales back each price.SkipGrading a raw copy to PSA 10 pencils about −67% expected return.Raw $1.79 → PSA 10 $50.00 · 27.9×
GradePrice× RawLast saleSales 30dConfidence
—Raw$1.79———High
PSA10$50.0027.9×$50.00 · Feb 270Med
CGC10$19.9911.2×$10.50 · Mar 150Low
Grade distribution
How copies sent to PSA have come back.Gem rate53.1%
PSA graded326
PSA 10
17353.1%
PSA 9
12036.8%
PSA 8
278.3%
PSA 7
41.2%
6 & below
20.6%
Other graders · as of Oct 2026
PSA population from our own psacard.com read, Oct 4, 2026. Half grades count toward the grade below (a 9.5 is a 9). Other graders as of Oct 2026.CGC190 graded · 63.2% top · 28 Pristine
BGS15 graded · 0% top
SGC20 graded · 60% top
Market
Supply & demand
How many copies are for sale, and how fast they're selling.Raw
TCGplayer listings340323 sellers · +3% vs 7d
Sold / week25▼ 11.6% vs 30d
Demand pressure7% · soft
softhot
Supply trendsteady · +4%
ClearingBuilding
TCGplayer sales · sold per day
Supply is the TCGplayer listing count; demand pressure = weekly TCGplayer sales ÷ listings (soft → hot), a single-venue sell-through read. The supply-trend gauge reads eBay where we have it, with the TCGplayer listings trend surfacing as its history matures. Descriptive market context, not a forecast.Sep 3Oct 27
Investment Score
One grade for how durable this card's demand looks today.Data snapshot, not a forecast
F
27/100Avoid
S+SABCDF
Professor's Research earns a 27/100 investment score and an F grade (avoid). It's trading 46% below our fair value. It's one of the lower-priced cards in Crown Zenith. Grading it to PSA-10 doesn't pencil at today's prices. It trades at a moderate pace.
30-day moven/a
Grading edge-67%
Time window30d
What drives the scoreout of 10, vs. modeled cards
Demand
1.2
Scarcity
3.8
Stability
8.9
