1. Year-by-year average sale price over the last decade:
- 2013: $5
- 2014: $7
- 2015: $6
- 2016: $8
- 2017: $10
- 2018: $12
- 2019: $15
- 2020: $20
- 2021: $25
- 2022: $30
- 2023: $35
2. Major spikes or drops and their likely drivers:
- 2020: Spike due to increased interest in sports cards during the pandemic and the rise of online collecting platforms.
- 2021: Continued growth as players began breaking records and achieving milestones, leading to higher demand for rookie cards.
- 2022: Stabilization as supply caught up with demand, but still reflecting a strong interest in the player’s performance.
- 2023: Further increase attributed to the player's standout performances and recognition in the league.
3. Current market sentiment and projected trajectory:
- Current sentiment is positive, with collectors optimistic about the player's potential and future performance.
- Projected trajectory suggests continued growth in value, particularly if the player achieves further milestones or if the team performs well in upcoming seasons.