Blastoise
Boundaries Crossed · Black & White
- Number
- #31 / 149
- Supertype
- Pokemon
- Subtypes
- Stage2
- HP
- 140
- Types
- Water
- Rarity
- Rare
- Artist
- Satoshi Shirai
Market Price
Last Sale
$23.07
as of ~Aug 2026
Lowest Ask
$13.10
Price History
Market Price↑ +5.0% (3M)
Market Signal
Price Trend
↑ +4.0% (30d trend)
high confidence90d Range
$18.97$23.07
0% below 90d high
Volatility
low1.8%
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)
Grade 10
Grade 9
Grade 8
Grade 7
Grade 6
Grading company
Sell platform
| Grade | Sale Price | Grading Fee | Platform Fees | Net Profit | ROI% |
|---|---|---|---|---|---|
| 10 | $23.07 | $49.99 | $3.46 | -$30.38 | -60.8% |
| 9 | $9.23 | $49.99 | $1.62 | -$42.38 | -84.8% |
| 8 | $4.61 | $49.99 | $1.01 | -$46.39 | -92.8% |
| 7 | $2.77 | $49.99 | $0.77 | -$47.99 | -96.0% |
| 6 | $1.85 | $49.99 | $0.65 | -$48.79 | -97.6% |
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.
Get detailed grade recommendation →Sign in to save this scenario to your portfolio.