| November · 1 sale · median $1 · +57% vs Sep |
| 1 | TCGplayer | Heliolisk #37 Near Mint English Reverse Holo | −25% | $1 |
| September · 5 sales · median $0 · −47% vs Aug |
| 24 | eBay | Pokemon Heliolisk 37/106 Flashfire Reverse Holo NM 37/106 | −21% | $1 |
| 13 | TCGplayer | Heliolisk #37 Near Mint English Reverse Holo | +166% | $1 |
| 8 | TCGplayer | Heliolisk #37 Near Mint English Reverse Holo | — | $0 |
| 7 | TCGplayer | Heliolisk #37 Near Mint English Reverse Holo | — | $0 |
| 1 | TCGplayer | Heliolisk #37 Near Mint English Reverse Holo | −53% | $0 |
| August · 2 sales · median $1 · −6% vs Jul |
| 28 | TCGplayer | Heliolisk #37 Near Mint English Reverse Holo | +28% | $1 |
| 5 | TCGplayer | Heliolisk #37 Near Mint English Reverse Holo | −14% | $1 |
| July · 2 sales · median $1 · −26% vs Jun |
| 24 | TCGplayer | Heliolisk #37 Near Mint English Reverse Holo | −8% | $1 |
| 6 | eBay | Pokemon Card Flashfire Heliolisk 37/106 Reverse Holo Rare 37/106 | +98% | $1 |
| June · 4 sales · median $1 · +158% vs May |
| 19 | TCGplayer | Heliolisk #37 Near Mint English Reverse Holo | −75% | $1 |
| 17 | eBay | Heliolisk 37/106 Rare Flashfire Pokemon Reverse Holo Near Mint 37/106 | −1% | $2 |
| 7 | eBay | Heliolisk 37/106 Rare Flashfire Pokemon Reverse Holo Lightly Played 37/106 | +239% | $2 |
| 5 | TCGplayer | Heliolisk #37 Near Mint English Reverse Holo | +18% | $1 |
| May · 1 sale · median $1 · −37% vs Apr |
| 24 | TCGplayer | Heliolisk #37 Near Mint English Reverse Holo | −37% | $1 |
| April · 5 sales · median $1 · +1% vs Mar |
| 22 | TCGplayer | Heliolisk #37 Near Mint English Reverse Holo | −69% | $1 |
| 17 | eBay | Heliolisk 37/106 2014 XY Flashfire Set Pokemon Card TCG Reverse Holo Rare Nm/Vlp | +420% | $3 |
| 15 | TCGplayer | Heliolisk #37 Near Mint English Reverse Holo | −2% | $0 |
| 8 | TCGplayer | Heliolisk #37 Near Mint English Reverse Holo | −69% | $1 |
| 6 | eBay | Pokémon Heliolisk 37/106 Flashfire Reverse Holo- NM 37/106 | +179% | $2 |
| March · 2 sales · median $1 · +4% vs Feb |
| 17 | TCGplayer | Heliolisk #37 Near Mint English Reverse Holo | −42% | $1 |
| 9 | eBay | Heliolisk - 37/106 - Reverse Holo - XY: Flashfire - Pokémon 37/106 | +98% | $1 |
| February · 2 sales · median $1 · −25% vs Jan |
| 24 | eBay | Reverse Holo Heliolisk 37/106 - Pokemon Flashfire Card - LP 37/106 | −50% | $1 |
| 19 | TCGplayer | Heliolisk #37 Near Mint English Reverse Holo | −20% | $1 |
| January · 3 sales · median $1 · +33% vs Dec |
| 29 | TCGplayer | Heliolisk #37 Near Mint English Reverse Holo | +119% | $1 |
| 28 | TCGplayer | Heliolisk #37 Near Mint English Reverse Holo | −43% | $1 |
| 18 | eBay | Pokémon TCG XY Flashfire - Heliolisk Reverse Holo Rare 37/106 | +33% | $1 |
| December 2025 · 3 sales · median $1 · +50% vs Nov |
| 8 | TCGplayer | Heliolisk #37 Near Mint English Reverse Holo | −85% | $1 |
| 4 | eBay | PACK FRESH Pokemon HELIOLISK 37/106 - XY Flashfire RARE Rev Holo - MINT Y4 37/106 | +791% | $5 |
| 1 | TCGplayer | Heliolisk #37 Near Mint English Reverse Holo | +17% | $1 |
| November 2025 · 3 sales · median $1 · +35% vs Oct |
| 28 | TCGplayer | Heliolisk #37 Near Mint English Reverse Holo | −4% | $0 |
| 26 | TCGplayer | Heliolisk #37 Near Mint English Reverse Holo | −49% | $1 |
| 9 | TCGplayer | Heliolisk #37 Near Mint English Reverse Holo | +168% | $1 |
| October 2025 · 1 sale · median $0 · −21% vs Sep |
| 8 | TCGplayer | Heliolisk #37 Near Mint English Reverse Holo | −21% | $0 |
| September 2025 · 1 sale · median $0 · −62% vs Feb |
| 30 | TCGplayer | Heliolisk #37 Near Mint English Reverse Holo | −62% | $0 |
| February 2025 · 1 sale · median $1 · +5% vs Jan |
| 26 | eBay | Pokemon HELIOLISK 37/106 - XY Flashfire RARE Rev Holo - MINT | +26% | $1 |
| January 2025 · 2 sales · median $1 · −68% vs Oct |
| 22 | eBay | x1 Heliolisk - 37/106 - Rare - Reverse Holo Pokemon XY Flashfire M/NM | −28% | $1 |
| 1 | eBay | Heliolisk 37/106 XY Flashfire REVERSE HOLO PERFECT MINT! Pokemon | −63% | $1 |
| October 2024 · 1 sale · median $4 · +85% vs Sep |
| 16 | eBay | Pokémon TCG Heliolisk Flashfire 37/106 Reverse Holo Rare LP. 37/106 | +85% | $4 |
| September 2024 · 1 sale · median $2 · — vs Jun |
| 4 | eBay | Heliolisk 37/106 Reverse Holo Rare XY: Flashfire Pokemon Card NM/LP ✅ | — | $2 |
| June 2024 · 1 sale · median $2 · +43% vs May |
| 28 | eBay | Pokemon Card Heliolisk 37/106 Flashfire Reverse Holo Rare - NM 37/106 | +43% | $2 |
| May 2024 · 1 sale · median $1 · −21% vs Jan |
| 18 | eBay | Heliolisk - 37/106 - Rare - Reverse Holo HP, English Pokemon XY FlashFire | −45% | $1 |
| January 2024 · 2 sales · median $2 · +18% vs Jan |
| 14 | eBay | Pokemon Card Heliolisk 37/106 Flashfire Reverse Holo Rare - NM 37/106 | +157% | $3 |
| 2 | eBay | Heliolisk - 37/106 - Rare - Reverse Holo NM, English Pokemon XY FlashFire | −34% | $1 |
| January 2023 · 1 sale · median $2 · −50% vs Sep |
| 2 | eBay | Pokemon --- HELIOLISK --- XY Flashfire! REVERSE HOLO! MINT! 37/106 *PACK FRESH* #37 | −50% | $2 |
| September 2022 · 1 sale · median $3 · +202% vs Aug |
| 11 | eBay | Pokemon Heliolisk 37/106 - XY Flashfire - Rare - Reverse Holo | +202% | $3 |
| August 2022 · 1 sale · median $1 · — vs Jul |
| 26 | eBay | Heliolisk - 37/106 - Rare - Reverse Holo Pokemon XY Flashfire 37/106 | — | $1 |
| July 2022 · 1 sale · median $1 · −1% vs Jun |
| 3 | eBay | Heliolisk - 37/106 - Rare - Reverse Holo Pokemon XY Flashfire 37/106 | −1% | $1 |
| June 2022 · 1 sale · median $1 |
| 10 | eBay | Pokemon 2014 Heliolisk 37/106 Reverse Holo XY Flashfire in NM condition!!! 37/106 | — | $1 |