Koga
Gym Challenge · Gym
- Number
- #19 / 132
- Supertype
- Trainer
- Rarity
- Rare Holo
- Artist
- Ken Sugimori
Market Price
Last Sale
$49.99
as of ~Aug 2026
Lowest Ask
$49.99
Price History
Market Price↑ +14.2% (3M)
Market Signal
Price Trend
↑ +9.9% (30d trend)
high confidence90d Range
$43.76$50.33
5% below 90d high
Volatility
moderate2.0%
Signal uses price history only. Grading ROI, graded-market trend, and population scarcity activate when graded data is available.
◉ Buy · 1 of 4 factors available
Grading ROI Calculator
Enter your estimated sale price for each grade.
Sale price by grade (edit to override)
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Grading company
Sell platform
| Grade | Sale Price | Grading Fee | Platform Fees | Net Profit | ROI% |
|---|---|---|---|---|---|
| 10 | $49.99 | $49.99 | $7.02 | -$7.02 | -14.0% |
| 9 | $20.00 | $49.99 | $3.05 | -$33.04 | -66.1% |
| 8 | $10.00 | $49.99 | $1.73 | -$41.72 | -83.5% |
| 7 | $6.00 | $49.99 | $1.20 | -$45.19 | -90.4% |
| 6 | $4.00 | $49.99 | $0.93 | -$46.92 | -93.9% |
Tax estimated at 28% max (long-term collectibles, IRC §1(h)(4)). Tax column hidden: enter a cost basis to see estimates. Platform fees generally reduce take-home but not your IRS capital gain.
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