Steam Siege№ 116
Gardevoir-EX
$109.26Details
Ninja Boy (103)
Steam Siege#103
Uncommon
Ninja Boy #103 is an Uncommon card from the Steam Siege expansion. This page tracks this exact printing, not every Ninja Boy card.
Current market price
$0.14
+7.7%
30d
NORMAL · TCGPLAYER · 2026-09-07
Community signal is building for this card.
01 · Price history
123 snapshots
Full price history.
Daily market-price snapshots — every data point is a dated price reading, never an estimate.
Ninja Boy #103 card details.
Ninja Boy #103 is an Uncommon Trainer card from Steam Siege, released August 2016. Its current tracked market price is $0.14 for the Normal variant, updated September 7, 2026.
Currently ranked #17,458 by market price across tracked Pokémon cards as of September 7, 2026.
Set
Card number
#103
Released
August 2016
Rarity
Uncommon
Supertype
Trainer
Series
XY
Market source
TCGplayer market price · Normal · Updated September 7, 2026
03 · Variants
2 variants
Different variants, different prices.
The available TCGCSV variants for this exact printing can have different price bands. The selected variant's market value is the one used across rankings and summaries.
| Variant | Low | Mid | Market | High |
|---|---|---|---|---|
| Normalcurrent | $0.01 | $0.20 | $0.14 | $68 |
| Reverse Holofoil | $0.15 | $0.40 | $0.41 | $19.98 |
04 · Related cards
From the same set
More from Steam Siege.
Highest-priced cards from the same expansion, ordered by current market price.
06 · Reference desk
Ninja Boy, explained.
Everything about this card — the price, the variants, and how we track it.
3 questions answered
Q.01Is Ninja Boy from Steam Siege a good investment?
We track prices, not provide investment advice. The active-chase count and recent price history above show current collector interest and market movement.
Q.02How is the market price determined?
Prices are refreshed daily from TCGplayer market-price data via TCGCSV. Each displayed value applies to the tracked price variant named on the card detail page. It is a market reference, not a guaranteed sale price; condition, grading, location, fees, and timing can change an individual sale. This card's current figure reflects the Normal variant.
Q.03What does the Chase Index rank mean?
The Chase Index ranks cards by active collector chases. A card near the top is one more collectors are actively trying to find.