Figures from this source
- EstimateSealed box secondary price, June 2023 (release+0m)¥19,600
- EstimateSealed box secondary price, July 2023 (release+1m)¥18,900
- EstimateSealed box secondary price, September 2023 (release+3m)¥19,600
- EstimateSealed box secondary price, December 2023 (release+6m)¥24,200
- EstimateSealed box secondary price, June 2024 (release+12m)¥8,900
- EstimateSealed box decline from 2026 peak, April 2026 peak 68,000円 -> October 2026 49,500円
- EstimateSealed box secondary price, April 2026 (release+34m)¥68,000
- EstimateSealed box secondary price, October 2026 (release+40m)¥49,500