 Chansey #003/102Base Set (Shadowless) · 1st Edition Holofoil · 1999 | $349 | $2,916 | $102,500 |
 Chansey ex #96/109EX Ruby and Sapphire · Holofoil · 2003 | $106 | — | — |
| Chansey #003/102Base Set (Shadowless) · Unlimited Holofoil · 1999 | $95.80 | — | — |
 Chansey #20/115EX Unseen Forces · Reverse Holofoil · 2005 | $76.49 | $892 | $1,070 |
 Chansey #072/165Expedition · Reverse Holofoil · 2002 | $56.97 | $440 | $1,470 |
 Chansey #003/102Base Set · Holofoil · 1999 | $53.54 | — | — |
 Chansey #069/147Aquapolis · Reverse Holofoil · 2003 | $50.00 | $399 | $5,550 |
 Chansey #031/105Neo Destiny · 1st Edition · 2002 | $48.42 | $55.00 | $280 |
 Chansey #187/167Twilight Masquerade · Holofoil · 2024 | $44.60 | $62.94 | $247 |
 Chansey #003/130Base Set 2 · Holofoil · 2000 | $39.19 | — | — |
| Chansey #031/105Neo Destiny · Unlimited · 2002 | $32.18 | $88.62 | $2,352 |
 Chansey #19/112EX FireRed & LeafGreen · Reverse Holofoil · 2004 | $27.65 | — | — |
 Chansey #58/123HeartGold SoulSilver · Reverse Holofoil · 2010 | $25.23 | $66.11 | $174 |
 Chansey - 2011 (Ross Cawthon) #58/123World Championship Decks · Normal · 2018 | $14.59 | — | — |
 Chansey #015/034Trading Card Game Classic · Holofoil · 2023 | $10.45 | $24.99 | $104 |
 Chansey #152/214SM - Lost Thunder · Reverse Holofoil · 2018 | $10.40 | $42.61 | $84.83 |
| Chansey #072/165Expedition · Normal · 2002 | $9.22 | $99.99 | $605 |
| Chansey #19/112EX FireRed & LeafGreen · Normal · 2004 | $8.46 | — | — |
 Chansey #76/123Mysterious Treasures · Reverse Holofoil · 2007 | $8.10 | $42.39 | $160 |
 Chansey - 10/12 #010/012McDonald's Promos 2018 · Holofoil · 2018 | $8.05 | — | — |
 Chansey #69/127Platinum · Reverse Holofoil · 2009 | $7.55 | $40.50 | $147 |
| Chansey #069/147Aquapolis · Normal · 2003 | $7.48 | $48.49 | $878 |
 Chansey (80) #80/108Dark Explorers · Reverse Holofoil · 2012 | $6.80 | $41.18 | $102 |
 Chansey - 2008 (Paul Atanassov) #76/123World Championship Decks · Normal · 2018 | $5.20 | — | — |
| Chansey #20/115EX Unseen Forces · Normal · 2005 | $4.85 | $38.75 | $47.00 |
 Chansey #70/108XY - Evolutions · Reverse Holofoil · 2016 | $3.78 | — | — |
| Chansey #70/108XY - Evolutions · Holofoil · 2016 | $3.26 | — | — |
| Chansey #58/123HeartGold SoulSilver · Normal · 2010 | $2.57 | $39.99 | $120 |
| Chansey #152/214SM - Lost Thunder · Normal · 2018 | $2.18 | $18.40 | $44.13 |
| Chansey #69/127Platinum · Normal · 2009 | $2.08 | $22.75 | $65.77 |
| Chansey #76/123Mysterious Treasures · Normal · 2007 | $1.52 | $22.84 | $66.63 |
 Chansey (81) #81/108Dark Explorers · Normal · 2012 | $1.29 | $15.94 | $43.65 |
 Chansey #46/68Hidden Fates · Reverse Holofoil · 2019 | $1.26 | — | — |
| Chansey (80) #80/108Dark Explorers · Normal · 2012 | $1.24 | $18.20 | $48.84 |
 Chansey #113/165Scarlet & Violet 151 · Reverse Holofoil · 2023 | $1.18 | — | — |
| Chansey (81) #81/108Dark Explorers · Reverse Holofoil · 2012 | $1.00 | $36.24 | $90.27 |
 Chansey #80/119XY - Phantom Forces · Reverse Holofoil · 2014 | $0.72 | — | — |
 Chansey #101/145SM - Guardians Rising · Reverse Holofoil · 2017 | $0.68 | $9.00 | $38.39 |
 Chansey - 46/68 (#47 Pikachu Stamped) #046/068Battle Academy · Normal · 2020 | $0.64 | — | — |
 Chansey - 46/68 (#5 Pikachu Stamped) #046/068Battle Academy · Normal · 2020 | $0.59 | — | — |
 Chansey #051/078Pokemon GO · Reverse Holofoil · 2022 | $0.48 | $8.01 | $29.95 |
 Chansey #202/264Fusion Strike · Reverse Holofoil · 2021 | $0.35 | $12.74 | $33.83 |
| Chansey #113/165Scarlet & Violet 151 · Holofoil · 2023 | $0.33 | — | — |
| Chansey #46/68Hidden Fates · Normal · 2019 | $0.31 | — | — |
| Chansey #80/119XY - Phantom Forces · Normal · 2014 | $0.31 | $14.63 | $35.60 |
 Chansey #133/167Twilight Masquerade · Reverse Holofoil · 2024 | $0.25 | — | — |
 Chansey #144/198Scarlet & Violet Base Set · Reverse Holofoil · 2023 | $0.24 | $9.50 | $27.99 |
| Chansey #101/145SM - Guardians Rising · Normal · 2017 | $0.23 | $11.27 | $32.25 |
| Chansey #051/078Pokemon GO · Normal · 2022 | $0.20 | $10.00 | $27.99 |
| Chansey #133/167Twilight Masquerade · Normal · 2024 | $0.17 | $10.67 | $31.59 |
| Chansey #202/264Fusion Strike · Normal · 2021 | $0.16 | $10.96 | $51.00 |
| Chansey #144/198Scarlet & Violet Base Set · Normal · 2023 | $0.12 | $10.47 | $30.95 |