Data quality warnings
Limited comp history
PSA
Luka Doncic
10
Basketball
Luka Doncic
2018 Panini
Prizm #280
Rookie card
2018 Panini Prizm Luka Doncic Base
PSA 10 · Rookie
Fair value
$578.70
Market price
$615.00
Margin of safety
-6.3%
Above Fair Value
30-day avg
$596.67
90 / 180 avg
$581.60 / $573.00
Opportunity Score
SlabSignal Methodology v2.0.0
Scores are based on the current SlabSignal methodology version.63 · Watchlist
Data Quality 80 - Limited
Score Audit Trail
Exact component scores and weights used in the current methodology.
2/5 - Speculative
63 - Watchlist
Data Quality 80 - Limited
Conviction 80
Value
44
25% weight
Momentum
70
15% weight
Liquidity
70
15% weight
Confidence
80
15% weight
Risk
75
10% weight
Data Quality
80
10% weight
Margin
35
10% weight
This is decision-support research, not a guarantee of future performance.
Price trend
Explanation
- Current market price is above estimated fair value.
- Market price is 6.3% above estimated fair value.
- Liquidity is limited with 5 valid sales in the last 90 days.
- Momentum is positive because the 30-day average is above the 90-day average.
- Conviction is high conviction based on confidence, data quality, liquidity, volatility, and source depth.
Valid comps
6
last 365 days
90-day sales
5
liquidity input
Data quality
80 / 100
Limited
Volatility
4.8%
coefficient of variation
Recent comps
| Date | Source | Type | Total |
|---|---|---|---|
| 2026-06-27 | eBay | buy it now | $615.00 |
| 2026-06-16 | eBay | auction | $595.00 |
| 2026-06-05 | Fanatics Collect | auction | $580.00 |
| 2026-05-14 | eBay | auction | $565.00 |
| 2026-04-17 | Alt | buy it now | $553.00 |
| 2026-02-12 | eBay | auction | $530.00 |
Population snapshots
| Date | Total | Grade | Higher |
|---|---|---|---|
| 2025-07-01 | 23100 | 17350 | 0 |
| 2026-01-01 | 23980 | 18120 | 0 |
| 2026-07-01 | 24750 | 18780 | 0 |