Identity checkMismatch
✓CardSkyridge #139/144 · Rev Holo (1 of 2 printings)
✓Tracker matchStar Piece · Skyridge · #139/144
✕Raw pricePulse $18.53 vs tracker $9.35 (-50%)
✓Gem rate12.0% · GemRate snapshot enrichment · this printing
!PSA 10 comp$999.00 · PokemonPriceTracker 90d · matched by product ID
!PSA 9 comp$33.64 · PokemonPriceTracker 90d · matched by product ID
!PSA 8 comp$13.78 · PokemonPriceTracker 90d · matched by product ID
Your grading resultsNone logged
Your results on this set: none graded yet
Your results on Vintage: none graded yet
Vintage grade odds use the starting assumptions until 5 Vintage grades are back.
Graded economics-36%
PSA 10$999.00PokemonPriceTracker 90d
PSA 9$33.64PokemonPriceTracker 90d
PSA 8$13.78PokemonPriceTracker 90d
Net EV−$33.21$59.18 net sale vs $92.38 cost
EV rangeEV range: -55% / -36% / -10% (pessimistic / expected / optimistic)Max buy: none (the pessimistic case can't return 20% at any price), with the card's value held at $18.53PSA 10 rate 8.3–17.0% (80% interval on 11 / 92); comps ±8.0% (comp quality 84). The 80% interval, the comp band and the ×0.5 / ×1.5 fallback without population counts are starting assumptions.
Outcome mix10 5% / 9 43% / 8 28% / ≤7 24%
PSA 10 ratePopulation 12.0% → adjusted 5.4% (Vintage, ×0.45 at $19 value, starting assumption)
Break-evenNeeds ≥ 9.3% adjusted (≈ 20.8% population)
CostsRaw $18.53 + shipping $5.00 + grading $59.99 (expected) + submission shipping $6.00 + time cost $2.86 = $92.38Net sale after fees: PSA 10 $851.97 · PSA 9 $23.47 · PSA 8 $6.42 · ≤7 $6.42PSA tier: Standard $59.99; about 133 days at PSA. PSA and eBay fees from their official pages; eBay fees include 7% sales tax in their base; that, the shipping and the 10%/yr time cost are your assumptions (Settings).
Grade splitVintage grade split (starting assumption); ≤7 valued at 90% of raw
PSA 10/9 premium29.7x
PopulationPSA 10
Gem rate12.0%
PSA 10 pop11
Total pop92
SourceGemRate snapshot enrichment
PSA 10 velocity-
Total velocity-
SnapshotJun 20, 2026
Scarcity85/100
LabelStrong
Confidence96/100
Supply78/100
Demand100/100
Gem rate 12.0%PSA 10 pop 11/92PSA 10/9 premium 29.7xSupply constraint 78/100
Raw validationprice mismatch
TCG market$9.35
Pulse price$18.53
Delta-50%
CheckedNov 1, 2026
Star PiecePSA comps refreshed Nov 1, 2026PSA sales window 90 days
Signal context1
Support$16.99 floor, 4 tests
Other printings of this card
*All-time high/low are within the tracked window (2024-03-08 - 2026-11-02). Raw, ungraded TCGplayer market price (blue) and cheapest listing (grey) via the free TCGCSV mirror. Personal, non-commercial prototype - not investment advice.