Professor Burnet
Silver Tempest · #TG26 · TGV$4.28fair value $4.10
≈ at fairPriced about right.
Market readSimilar cards →
StableNo material movement in price, demand, or supply. A description of the data today, not a forecast.
30 daysPrice0%Sales−13%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
$4.32▼ −$0.73 (−14.5%)past 90 days
$4.04$4.79$5.17$4.32
Aug 1Aug 23Sep 14Oct 5Oct 27
Market price
Latest raw market price · $4.32 · 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.GradePrice× RawLast saleSales 30dConfidence
—Raw$4.28———High
PSA10$29.817.0×$33.00 · May 260High
CGCPristine 10CGC 10 sales whose eBay listing says Pristine. The top CGC grade, so it can sell above a PSA 10. 13% of this card's graded CGC slabs are Pristine (population as of Oct 3), across everything CGC has graded, so it isn't the odds for your slab.$34.998.2×$45.00 · Oct 191Low
CGC10Pristine 10 sales are left out and shown on their own line.$14.403.4×$16.80 · Oct 260Med
Grade distribution
How copies sent to PSA have come back.Gem rate58%
PSA graded779
PSA 10
45258%
PSA 9
22428.8%
PSA 8
8210.5%
PSA 7
91.2%
6 & below
121.5%
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.CGC230 graded · 51.3% top · 36 Pristine
SGC17 graded · 52.9% top
Market
Supply & demand
How many copies are for sale, and how fast they're selling.Raw
TCGplayer listings234223 sellers · -0% vs 7d
Sold / week11▼ 13.0% vs 30d
Demand pressure5% · 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.Aug 23Oct 25
Investment Score
One grade for how durable this card's demand looks today.Data snapshot, not a forecast
F
22/100Avoid
S+SABCDF
Professor Burnet earns a 22/100 investment score and an F grade (avoid). It's trading 4% above our fair value. It sits mid-pack in Silver Tempest by price. It trades thinly.
30-day moven/a
Grading edgen/a
Time window30d
What drives the scoreout of 10, vs. modeled cards
Demand
0.7
Scarcity
3.2
Stability
8.4
