 Houndour (5) #05/75Neo Discovery · 1st Edition Holofoil · 2001 | $350 | $1,000 | $7,528 |
 Houndour #066/144Skyridge · Reverse Holofoil · 2003 | $125 | $552 | $1,350 |
| Houndour (5) #05/75Neo Discovery · Unlimited Holofoil · 2001 | $98.86 | — | — |
 Houndour #60/115EX Unseen Forces · Reverse Holofoil · 2005 | $86.00 | $213 | $1,283 |
 Houndour - 060/109 #60/109EX Team Rocket Returns · Reverse Holofoil · 2004 | $80.00 | $603 | $724 |
 Houndour (87) #087/147Aquapolis · Reverse Holofoil · 2003 | $80.00 | $283 | $2,650 |
 Houndour (86) #086/147Aquapolis · Reverse Holofoil · 2003 | $79.99 | $354 | $1,332 |
 Team Magma's Houndour #63/95EX Team Magma vs Team Aqua · Reverse Holofoil · 2004 | $67.50 | — | — |
 Houndour #113/165Expedition · Reverse Holofoil · 2002 | $59.99 | $150 | $180 |
 Houndour - 059/109 #59/109EX Team Rocket Returns · Reverse Holofoil · 2004 | $53.06 | $244 | $1,886 |
 Houndour (24) #24/75Neo Discovery · 1st Edition · 2001 | $44.33 | $123 | $275 |
 Team Magma's Houndour #35/95EX Team Magma vs Team Aqua · Reverse Holofoil · 2004 | $42.73 | — | — |
| Houndour #066/144Skyridge · Normal · 2003 | $40.55 | $95.00 | $587 |
 Team Magma's Houndour #62/95EX Team Magma vs Team Aqua · Reverse Holofoil · 2004 | $28.49 | — | — |
 Houndour #043/105Neo Destiny · 1st Edition · 2002 | $26.69 | $53.50 | $290 |
 Houndour #59/97EX Dragon · Reverse Holofoil · 2003 | $19.27 | $189 | $1,120 |
| Houndour (24) #24/75Neo Discovery · Unlimited · 2001 | $16.91 | $58.00 | $203 |
| Houndour (87) #087/147Aquapolis · Normal · 2003 | $15.66 | $48.50 | $311 |
| Houndour - 060/109 #60/109EX Team Rocket Returns · Normal · 2004 | $12.65 | — | — |
 Houndour #103/146Legends Awakened · Reverse Holofoil · 2008 | $12.15 | $70.23 | $121 |
 Houndour (39) #39/75Neo Discovery · 1st Edition · 2001 | $11.89 | $42.50 | $115 |
 Houndour (54) #54/90Undaunted · Reverse Holofoil · 2010 | $11.66 | — | — |
 Houndour #204/197Obsidian Flames · Holofoil · 2023 | $10.21 | $20.00 | $140 |
| Houndour #113/165Expedition · Normal · 2002 | $9.83 | $39.78 | $207 |
| Houndour (86) #086/147Aquapolis · Normal · 2003 | $8.43 | $57.89 | $215 |
| Houndour #59/97EX Dragon · Normal · 2003 | $7.55 | $47.67 | $322 |
| Houndour #043/105Neo Destiny · Unlimited · 2002 | $7.20 | $21.00 | $72.50 |
 Houndour #74/124Dragons Exalted · Reverse Holofoil · 2012 | $6.44 | $49.86 | $120 |
 Houndour #59/95Call of Legends · Reverse Holofoil · 2011 | $5.97 | — | — |
 Houndour #69/106Great Encounters · Reverse Holofoil · 2008 | $5.92 | $45.65 | $73.00 |
 Houndour (53) #53/90Undaunted · Reverse Holofoil · 2010 | $5.56 | $31.90 | $120 |
| Team Magma's Houndour #35/95EX Team Magma vs Team Aqua · Normal · 2004 | $5.46 | — | — |
| Houndour - 059/109 #59/109EX Team Rocket Returns · Normal · 2004 | $4.54 | — | — |
| Team Magma's Houndour #63/95EX Team Magma vs Team Aqua · Normal · 2004 | $3.51 | — | — |
| Houndour (39) #39/75Neo Discovery · Unlimited · 2001 | $2.50 | $29.99 | $190 |
 Houndour #55/101Plasma Blast · Reverse Holofoil · 2013 | $1.82 | — | — |
| Houndour #59/95Call of Legends · Normal · 2011 | $1.29 | $12.82 | $21.00 |
| Houndour #60/115EX Unseen Forces · Normal · 2005 | $1.16 | — | — |
| Houndour #69/106Great Encounters · Normal · 2008 | $1.15 | $15.00 | $64.75 |
| Team Magma's Houndour #62/95EX Team Magma vs Team Aqua · Normal · 2004 | $1.08 | — | — |
| Houndour (53) #53/90Undaunted · Normal · 2010 | $0.96 | $8.13 | $56.29 |
| Houndour #103/146Legends Awakened · Normal · 2008 | $0.96 | — | — |
 Houndour #45/214SM - Lost Thunder · Reverse Holofoil · 2018 | $0.58 | $12.32 | $33.90 |
| Houndour (54) #54/90Undaunted · Normal · 2010 | $0.50 | $11.39 | $44.87 |
 Houndour #58/111SM - Crimson Invasion · Reverse Holofoil · 2017 | $0.49 | — | — |
| Houndour #74/124Dragons Exalted · Normal · 2012 | $0.43 | $18.49 | $49.23 |
| Houndour #55/101Plasma Blast · Normal · 2013 | $0.34 | $10.95 | $42.76 |
 Houndour #131/197Obsidian Flames · Reverse Holofoil · 2023 | $0.31 | $7.50 | $59.99 |
| Houndour #45/214SM - Lost Thunder · Normal · 2018 | $0.28 | $11.79 | $33.01 |
 Houndour #095/163Battle Styles · Reverse Holofoil · 2021 | $0.26 | — | — |
 Houndour #132/197Obsidian Flames · Reverse Holofoil · 2023 | $0.23 | $10.73 | $31.54 |
 Team Rocket's Houndour #037/182Destined Rivals · Reverse Holofoil · 2025 | $0.21 | $11.36 | $33.91 |
| Houndour #58/111SM - Crimson Invasion · Normal · 2017 | $0.21 | — | — |
 Houndour - Armarouge 21 #033/198Battle Academy 2024 · Normal · 2024 | $0.20 | — | — |
 Houndour #033/198Scarlet & Violet Base Set · Reverse Holofoil · 2023 | $0.20 | $20.65 | $30.95 |
 Houndour #062/131Prismatic Evolutions · Reverse Holofoil · 2025 | $0.19 | $12.40 | $40.00 |
 Houndour - Armarouge 7 #033/198Battle Academy 2024 · Normal · 2024 | $0.19 | — | — |
 Houndour - Armarouge 39 #033/198Battle Academy 2024 · Normal · 2024 | $0.19 | — | — |
 Houndour #131/197Trick or Trade BOOster Bundle 2024 · Normal · 2024 | $0.17 | — | — |
 Houndour #007/064Shrouded Fable · Normal · 2024 | $0.16 | $10.52 | $31.29 |
| Houndour #033/198Scarlet & Violet Base Set · Normal · 2023 | $0.16 | $10.26 | $30.53 |
| Houndour #007/064Shrouded Fable · Reverse Holofoil · 2024 | $0.14 | — | — |
| Houndour #095/163Battle Styles · Normal · 2021 | $0.14 | $25.00 | $74.99 |
| Houndour #131/197Obsidian Flames · Normal · 2023 | $0.13 | $10.75 | $31.58 |
| Houndour #132/197Obsidian Flames · Normal · 2023 | $0.11 | $28.00 | $34.00 |
| Team Rocket's Houndour #037/182Destined Rivals · Normal · 2025 | $0.10 | $19.95 | $32.53 |
| Houndour #062/131Prismatic Evolutions · Normal · 2025 | $0.09 | $24.73 | $73.38 |