Ninja Boy #103
Steam Siege · Pokémon TCG
Market Value (Raw)
$0.19
Price by Grade
Ungraded
$0.19
PSA 10
—
PSA 9
—
PSA 8
—
BGS 10
—
BGS 9.5
—
CGC 10
—
CGC 9.5
—
SGC 10
—
| Card Number | #103 |
| Rarity | Uncommon |
| Set | Steam Siege |
Ninja Boy #103 from the Steam Siege set. Current raw market value: $0.19.Click the eBay button above to find this exact card on eBay UK.
Price History
Live90-day trendSimulated trend data for Ninja Boy #103. Prices are illustrative.
Investment Analysis
Current Value
$0.19
Market price (raw)
Price Range
$0.16 – $0.24
52-week estimate
Volatility
20%
Moderate movement
Market Trend
→ Stable
Short-term outlook
Analysis is algorithmically generated and should not be considered financial advice.
About Ninja Boy — Steam Siege
Ninja Boy is a Supporter card from the Steam Siege set (card #103). It carries a rarity of Uncommon, placing it in the standard tier of desirability within this expansion.
Rarity & Collectibility
Uncommon cards sit between commons and rares in pull rates. They're slightly harder to obtain than commons and can hold modest value, especially if the Pokémon is popular or the card features useful competitive abilities.
Ninja Boy Price Analysis
At just $0.19, Ninja Boy is one of the most affordable cards in the Steam Siege set. This makes it an excellent pick for budget collectors building a master set. While low-value cards rarely justify professional grading on their own, a perfect PSA 10 copy could still command a premium from set completionists.
How to Buy Ninja Boy
The best way to find Ninja Boy at a fair price is to check live market data. Our price tracking aggregates completed eBay sales so you see what collectors actually pay — not inflated listing prices. Use the eBay button above to search for this exact card, or browse all Steam Siege cards to compare prices across the set.
Always verify card condition before purchasing. Check the seller\'s feedback rating, review photos carefully, and compare prices against our market data to ensure you\'re getting a fair deal. Learn more in our guide to spotting fake cards and our price guide overview.
Investment Scorecard
Moderate
Ninja Boy · Steam Siege
Not financial advice. This score is algorithmically generated from rarity, market data, and popularity signals. Always do your own research before purchasing.
Recent Sales Data
Last 8 completed transactions
Avg Sale
$63.41
▲ 51.0% vs market
| Date | Condition | Grade | Sale Price | vs Market |
|---|---|---|---|---|
| Jul 11, 2026 | Raw NM | Raw | $30.87 | ▼26.5% |
| Jul 8, 2026 | Raw LP | Raw | $34.78 | ▼17.2% |
| Jul 5, 2026 | PSA 10 | 10 | $93.70 | ▲123.1% |
| Jul 2, 2026 | PSA 9 | 9 | $66.78 | ▲59.0% |
| Jun 29, 2026 | PSA 8 | 8 | $81.40 | ▲93.8% |
| Jun 26, 2026 | BGS 9.5 | 9.5 | $94.67 | ▲125.4% |
| Jun 23, 2026 | CGC 9.5 | 9.5 | $59.22 | ▲41.0% |
| Jun 20, 2026 | Raw NM | Raw | $45.86 | ▲9.2% |
Sales data from eBay completed listings
