Figures from this source
- EstimateSealed box secondary price, October 2024 (release+0m)¥7,000
- EstimateSealed box secondary price, November 2024 (release+1m)¥5,599
- EstimateSealed box secondary price, January 2025 (release+3m)¥7,800
- EstimateSealed box secondary price, March 2025 (release+5m)¥12,200
- EstimateSealed box secondary price, October 2025 (release+12m)¥14,350
- EstimateSealed box decline from 2026 peak, April 2026 peak 45,000円 -> September 2026 31,500円