Identity checkMatches
✓CardStormfront #SH3 · Rev Holo
✓Tracker matchVoltorb (Shiny) · Stormfront · #SH3
✓Raw pricePulse $43.43 vs tracker $43.43 (+0%)
✓Gem rate2.7% · GemRate snapshot enrichment · this printing
✓PSA 10 comp$9,000 · PokemonPriceTracker 90d · matched by product ID
✓PSA 9 comp$1,015 · PokemonPriceTracker 90d · matched by product ID
✓PSA 8 comp$171.27 · 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+259%
PSA 10$9,000PokemonPriceTracker 90d
PSA 9$1,015PokemonPriceTracker 90d
PSA 8$171.27PokemonPriceTracker 90d
Net EV$343.30$476.02 net sale vs $132.72 cost
EV rangeEV range: +239% / +259% / > 300% (pessimistic / expected / optimistic)Max buy $130.29 (pessimistic case returns 20%), with the card's value held at $43.43PSA 10 rate 1.8–4.1% (80% interval on 9 / 331); comps ±5.0% (comp quality 93). The 80% interval, the comp band and the ×0.5 / ×1.5 fallback without population counts are starting assumptions.
Outcome mix10 1% / 9 36% / 8 34% / ≤7 29%
PSA 10 ratePopulation 2.7% → adjusted 1.4% (Vintage, ×0.51 at $43 value, starting assumption)
Break-evenProfitable even with no PSA 10s
CostsRaw $43.43 + shipping $5.00 + grading $74.63 (expected; 37% chance of an upcharge tier) + submission shipping $6.00 + time cost $3.67 = $132.72Net sale after fees: PSA 10 $7,950.79 · PSA 9 $866.09 · PSA 8 $141.59 · ≤7 $28.15PSA tier: Standard $59.99; 37% chance of an upcharge to Priority/Premier; about 121 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 split adjusted for this card's low PSA 10 rate (≤ 4.1% vs Vintage typical 6.4%): PSA 9 45% → 36%, starting assumption; ≤7 valued at 90% of raw
PSA 10/9 premium8.9x
PopulationPSA 10
Gem rate2.7%
PSA 10 pop9
Total pop331
SourceGemRate snapshot enrichment
PSA 10 velocity-
Total velocity-
SnapshotJun 20, 2026
Scarcity92/100
LabelElite
Confidence96/100
Supply95/100
Demand100/100
Gem rate 2.7%PSA 10 pop 9/331PSA 10/9 premium 8.9xSupply constraint 95/100
Raw validationconfirmed
TCG market$43.43
Pulse price$43.43
Delta0%
CheckedNov 1, 2026
Voltorb (Shiny)PSA comps refreshed Nov 1, 2026PSA sales window 90 days
Signal context1
Support$39.65 floor, 5 tests
*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.