Question 1

What is the current market value of Houndoom-EX #21?

Accepted Answer

For Houndoom-EX in BREAKthrough, the current reference price is $6.83. Week-over-week movement is lower by 17.5%. It now sits 10.4% above its 30-day average of $6.19. In the past 90 days, observed prices ranged from $4.75 to $7.02 (33% spread), a moderate-volatility profile. Rarity classification for this copy is Rare Holo EX.

Question 2

Is Houndoom-EX #21 a good investment or collectible?

Accepted Answer

Current valuation lens: Recent pricing has softened by 17.5% over 7 days, with the card now 3% below its 90-day high. Observed 90-day bounds of $4.75 and $7.02 create a 33% band, matching a moderate-volatility profile. Versus the 30-day average ($6.19), the card is trading 10.4% higher. Without a consistent graded comp in the current snapshot, live listings are still required for reliable condition-based valuation.

Question 3

What is Houndoom-EX #21 and what makes it special?

Accepted Answer

Houndoom-EX is a BREAKthrough card from the 2015 release window. Its card type is Pokémon. The rarity label is Rare Holo EX. Printed HP is 170. Energy typing is Fire. This print is categorized under the Basic and EX subtype. The card text reads: Pokémon-EX rule: When a Pokémon-EX has been Knocked Out, your opponent takes 2 Prize cards. Attack line includes "Melting Horn" and "Grand Flame". It is weak to Water type energy. Within set composition, this rarity normally lands above common and uncommon print tiers.

Question 4

What are the alternative Houndoom-EX cards available?

Accepted Answer

Collectors tracking Houndoom-EX often benchmark it against other Houndoom-EX cards. The current sample spans 1 comparable cards from 1 set. Only one priced comparison is available in this sample ($43.02). Notable alternatives include Houndoom-EX #153 (BREAKthrough) at $43.02.

Question 5

What set is Houndoom-EX #21 from, and when was it released?

Accepted Answer

BREAKthrough entered circulation in 2015. Series classification for this set is XY. Set size is 165 cards, which categorizes BREAKthrough as mid-size. As of 2026, the set is 11 years old and now falls into an established back-catalog period. Houndoom-EX (#21) is one of the Rare Holo EX prints in this expansion.

Houndoom-EX #21

Price history

All Houndoom-EX cards

Card details

Attacks