| October · 13 sales · median $0 · +25% vs Sep |
| 27 | TCGplayer | Yamask #99 Near Mint English | −89% | outlier$0.05 |
| 24 | TCGplayer | Yamask #99 Near Mint English | −72% | $0.47 |
| 19 | eBay | Pokemon: Yamask Common SM - Lost Thunder 99/214 LP 99/214 | −9% | outlier$1.69 |
| 19 | eBay | Pokemon: Yamask Common SM - Lost Thunder 99/214 LP/NM 99/214 | +365% | outlier$1.86 |
| 17 | TCGplayer | Yamask #99 Near Mint English | +60% | $0.40 |
| 16 | TCGplayer | Yamask #99 Near Mint English | +257% | $0.25 |
| 15 | TCGplayer | Yamask #99 Near Mint English | −65% | outlier$0.07 |
| 13 | TCGplayer | Yamask #99 Near Mint English | −57% | $0.20 |
| 9 | TCGplayer | Yamask #99 Near Mint English | +88% | $0.47 |
| 8 | TCGplayer | Yamask #99 Near Mint English | — | $0.25 |
| 5 | TCGplayer | Yamask #99 Near Mint English | +92% | $0.25 |
| 3 | TCGplayer | Yamask #99 Near Mint English | −28% | $0.13 |
| 1 | TCGplayer | Yamask #99 Near Mint English | −28% | $0.18 |
| September · 6 sales · median $0 · −25% vs Aug |
| 29 | TCGplayer | Yamask #99 Near Mint English | +108% | $0.25 |
| 27 | TCGplayer | Yamask #99 Near Mint English | −76% | $0.12 |
| 16 | TCGplayer | Yamask #99 Near Mint English | +233% | $0.50 |
| 8 | TCGplayer | Yamask #99 Near Mint English | −76% | $0.15 |
| 6 | TCGplayer | Yamask #99 Near Mint English | +320% | $0.63 |
| 3 | TCGplayer | Yamask #99 Near Mint English | −17% | $0.15 |
| August · 8 sales · median $0 · +77% vs Jul |
| 30 | TCGplayer | Yamask #99 Near Mint English | −49% | $0.18 |
| 28 | TCGplayer | Yamask #99 Near Mint English | +133% | $0.35 |
| 25 | TCGplayer | Yamask #99 Near Mint English | −67% | $0.15 |
| 15 | TCGplayer | Yamask #99 Near Mint English | +200% | $0.45 |
| 9 | TCGplayer | Yamask #99 Near Mint English | −58% | $0.15 |
| 9 | TCGplayer | Yamask #99 Near Mint English | −28% | $0.36 |
| 6 | TCGplayer | Yamask #99 Near Mint English | +178% | $0.50 |
| 2 | TCGplayer | Yamask #99 Near Mint English | +80% | $0.18 |
| July · 5 sales · median $0 · −85% vs Jun |
| 31 | TCGplayer | Yamask #99 Near Mint English | −80% | $0.10 |
| 16 | TCGplayer | Yamask #99 Near Mint English | +390% | $0.49 |
| 12 | TCGplayer | Yamask #99 Near Mint English | −71% | $0.10 |
| 11 | TCGplayer | Yamask #99 Near Mint English | +127% | $0.34 |
| 9 | TCGplayer | Yamask #99 Near Mint English | −85% | $0.15 |
| June · 1 sale · median $1 · −50% vs Apr |
| 18 | eBay | Yamask 99/214 Common Lost Thunder Pokemon Near Mint 99/214 | −50% | $0.99 |
| April · 1 sale · median $2 · +49% vs Mar |
| 23 | eBay | Yamask 99/214 Lost Thunder NM Regular Common Pokemon Card | −30% | $1.99 |
| March · 3 sales · median $1 · −33% vs Jan |
| 26 | eBay | Yamask - 99/214 Lost Thunder - Pokémon TCG - 2018 99/214 | +112% | $2.84 |
| 16 | eBay | Yamask Common SM - Lost Thunder 99/214 MP Normal Pokemon 99/214 | +2% | $1.34 |
| 9 | eBay | Yamask #99/214 Sun & Moon Lost Thunder Common Pokemon 2018 TCG Card | −34% | $1.31 |
| January · 1 sale · median $2 · +101% vs Oct |
| 16 | eBay | Yamask 99/214 LP Lost Thunder English Pokemon Card TCG 99/214 | +101% | $1.99 |
| October 2025 · 1 sale · median $1 · −9% vs Jan |
| 26 | eBay | Pokemon TCG Sun and Moon Lost Thunder LP Yamask 99/214 | — | $0.99 |
| January 2025 · 2 sales · median $1 · +10% vs Oct |
| 13 | eBay | Yamask 99/214 - Lost Thunder - Common - Pokemon Card TCG - LP #99 | −17% | $0.99 |
| 1 | eBay | Pokemon YAMASK Sun & Moon Lost Thunder 99/214 NM/Mint | +20% | $1.19 |
| October 2024 · 2 sales · median $1 · — vs May |
| 24 | eBay | 2018 Pokemon Sun & Moon - Lost Thunder Yamask #99 0z9u | — | $0.99 |
| 10 | eBay | 2018 Yamask 99/214 - Lost Thunder - NM Pokémon TCG 99/214 | — | $0.99 |
| May 2024 · 1 sale · median $1 · −17% vs Oct |
| 20 | eBay | Yamask 99/214 - Lost Thunder - Common - Pokemon Card TCG #99 | — | $0.99 |
| October 2023 · 3 sales · median $1 · +59% vs Jul |
| 25 | eBay | Yamask 99/214 Pokemon Lost Thunder Regular Light Play | −34% | $0.99 |
| 9 | eBay | Yamask 99/214 Lost Thunder Common Pokemon Card NM/M | +26% | $1.50 |
| 9 | eBay | YAMASK LOST THUNDER SET POKEMON CARD 99/214 LP | +59% | $1.19 |
| July 2023 · 1 sale · median $1 · −21% vs May |
| 5 | eBay | Yamask 99/214 - NM SM Lost Thunder - Pokemon TCG 2018 Common Card 99/214 | −53% | $0.75 |
| May 2023 · 2 sales · median $1 · −4% vs Mar |
| 13 | eBay | Pokemon YAMASK Sun & Moon Lost Thunder 99/214 NM/Mint | +433% | $1.60 |
| 1 | eBay | 2018 Sun & Moon - Lost Thunder Yamask Non Holo Pokemon Card #99 #99 | −70% | $0.30 |
| March 2023 · 1 sale · median $1 |
| 3 | eBay | Pokémon TCG Card Yamask Sun and Moon Lost Thunder 99/214 Common Pokemon 99/214 | — | $0.99 |