Pokémon TCG · Steam Siege · #103
Ninja Boy #103 price
Steam Siege103Market prices
90-day range · TCGplayer
Ninja Boy (#103, Uncommon) is a card from Pokémon set Steam Siege. Near Mint (Normal), it has a market price of about $0.14 on TCGplayer and €0.09 on Cardmarket (updated October 15, 2026). Over the last 7 days, its TCGplayer market price rose 7.7% and the Cardmarket price trend fell 25.0%. Over the last 30 days, its TCGplayer market price rose 0.0% and the Cardmarket price trend fell 50.0%. Over the last 90 days, its TCGplayer market price rose 0.0% and the Cardmarket price trend rose 12.5%. Its 90-day TCGplayer market price range is $0.13 to $0.14. Its 90-day Cardmarket price trend range is €0.06 to €0.20. Graded, a PSA 10 is worth about $150.00. Among the 30 Uncommon cards of Steam Siege, it is the 28th most valuable. Converted to dollars, its Cardmarket price is 27.9% lower than its TCGplayer price.
Ninja Boy #103 prices by finish
| Finish | TCGplayer | Cardmarket |
|---|---|---|
| Normal | $0.14 | €0.09 |
| Reverse Holo | $0.42 | €0.31 |
Near Mint prices: TCGplayer market price, Cardmarket price trend, updated October 15, 2026.
Price changes by finish
| Finish | Price | 7 days | 30 days | 90 days | 90-day range |
|---|---|---|---|---|---|
| Normal | TCGplayer market price | +7.7% | +0.0% | +0.0% | $0.13 – $0.14 |
| Normal | Cardmarket price trend | −25.0% | −50.0% | +12.5% | €0.06 – €0.20 |
| Reverse Holo | TCGplayer market price | +2.4% | +2.4% | +20.0% | $0.35 – $0.42 |
| Reverse Holo | Cardmarket price trend | −20.5% | −13.9% | −39.2% | €0.31 – €0.51 |
Change of the same Near Mint price (same market, same finish) against 7, 30 and 90 days ago; range: its lowest and highest daily value over the last 90 days. Only where the price history supports a figure; lowest listings have none.
Follow your own copies, graded or raw, and what they are worth in Sparkl.
Ninja Boy #103 graded prices
| Grade | PSA | BGS | CGC | SGC |
|---|---|---|---|---|
| 10 | $150.00 | $42.00 | $9.00 | $19.00 |
US dollars, from recent graded sales and graded market prices.
PSA has graded 1 copies of this card: 2 earned a 10 (200%), 1 a 9.
Ninja Boy #103 price history
Recent Ninja Boy #103 sales
| Sold | Copy | Price |
|---|---|---|
| Sep 22, 2026 | Raw | $1.30 |
| Sep 8, 2026 | Raw | $2.99 |
| Sep 5, 2026 | Raw | $3.97 |
| May 25, 2026 | Raw | $2.01 |
| Apr 10, 2026 | Raw | $0.99 |
The latest 5 of 5 recent eBay sales.
About this card
- Set
- Steam Siege
- Number
- 103
- Rarity
- Uncommon
- Finishes
- Normal, Reverse Holo
- Rank in its rarity
- 28th of 30 Uncommon cards
- Against its rarity’s median
- 0.6× the median ($0.23)
- Cardmarket vs TCGplayer
- −27.9% after conversion ($1.1208 per euro)
- Finish spread
- Normal $0.14 to Reverse Holo $0.42 (3.0×, TCGplayer)
- Released
- August 3, 2016
- Print language
- English
How this page is made: Near Mint prices from TCGplayer and Cardmarket, refreshed daily; ranks, medians and comparisons are computed by Sparkl from those prices.
You are viewing the free public price page
See everything about Ninja Boy in Sparkl
- Its price history chart, every finish and graded prices
- The Steam Siege master set, card by card, with every price
- Scan your cards with your iPhone: set, number and finish are filled in for you
Free on iPhone and the web
Most valuable Steam Siege cards
- Gardevoir-EX#116 · Rare Secret · $108.48
- M Gardevoir-EX#112 · Rare Ultra · $57.62
- Volcanion-EX#115 · Rare Secret · $35.73
- M Steelix-EX#109 · Rare Ultra · $29.05
- Gardevoir-EX#111 · Rare Ultra · $26.80
- M Gardevoir-EX#79 · Rare Holo EX · $24.09
Next to Ninja Boy #103 in Steam Siege
- Captivating Poké Puff#99 · Uncommon · $0.22
- Claw Fossil Anorith#100 · Uncommon · $0.25
- Gardevoir Spirit Link#101 · Uncommon · $0.24
- Special Charge#105 · Uncommon · $0.35
- Steelix Spirit Link#106 · Uncommon · $0.22
- Volcanion-EX#107 · Rare Ultra · $9.80