Ninja Boy
Steam Siege · 103/114
Market value
Prices as of October 6, 2026 (Europe) and October 5, 2026 (United States).
Europe · EUR
Normal
Trend price€0.12
- 7-day average
- €0.09
- 30-day average
- €0.12
- Lowest listing
- €0.02
Holo / reverse holo
Trend price€0.39
- 7-day average
- €0.28
- 30-day average
- €0.38
- Lowest listing
- €0.05
Trend price ≈ £0.10 · $0.13, converted at ECB rate of October 5, 2026.
United States · USD
Normal
Market price$0.13
- Lowest listing
- $0.04
- Mid price
- $0.20
- Highest listing
- $68.00
Holo / reverse holo
Market price$0.41
- Lowest listing
- $0.15
- Mid price
- $0.41
- Highest listing
- $19.80
Market price ≈ €0.12 · £0.10, converted at ECB rate of October 5, 2026.
United States is 3% below Europe.
Trend price, last 30 days
€0.10 on September 7, 2026, €0.12 on October 6, 2026 (+20%).
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Card details
- Set
- Steam Siege
- Number
- 103/114
- Rarity
- Uncommon
- Category
- Trainer
- Illustrator
- Megumi Mizutani
About this card
Ninja Boy is a Trainer card from Steam Siege, card number 103/114. Its rarity is Uncommon. Steam Siege was released in 2016 as part of the XY series. In Europe it trades at a trend price of €0.12, with a 30-day average of €0.12. In the United States it trades at a market price of $0.13.