As of August 1, 2026, Prospect Card Radar rates Roc Riggio’s 1st Bowman Chrome auto UNDERPRICED: bat in the 53rd percentile, card market in the 26th percentile, last sold about $14 raw.
Full verdict and the numbers behind itHigher = better. 50th is league median, 90th+ is elite. The orange Card Market bar shows where the price ranks — not whether it’s a good buy.
Live eBay averages for base autos only. Numbered parallels, refractor colors, superfractors, and printing plates are excluded so the numbers stay apples-to-apples across product lines. Refreshed multiple times per day.
| Card type | Raw avg | Range | Raw listings | PSA 10 avg |
|---|---|---|---|---|
| Bowman Chrome 1st Bowman Auto | $33.98 | $15.95–$66.00 | 3 | — |
| Topps Pro Debut Auto | $1.09 | $1.09–$1.09 | 1 | — |
| Bowman Draft Auto | $200.00 | $200.00–$200.00 | 1 | — |
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As of August 1, 2026, Prospect Card Radar rates Roc Riggio’s 1st Bowman Chrome auto UNDERPRICED. His bat ranks in the 53rd percentile of 165 tracked prospect hitters (127 wRC+ over 335 plate appearances at Double-A), while his card market ranks in the 26th percentile, a 27-point gap in favor of production. Last sold value is about $14 raw and $30 in a PSA 10 (2023 Bowman Draft Chrome Prospect Autographs #CDA-RR). 3 base 1st autos are live on eBay, asking $16 to $66 (average $20). Prospect Card Radar reaches this by ranking every tracked prospect’s on-field production against the price of his 1st Bowman Chrome auto in the same pool of 165 prospect hitters, and refreshing both daily.
As of August 1, 2026, Prospect Card Radar rates Roc Riggio’s 1st Bowman Chrome auto UNDERPRICED. The gap between his on-field percentile (53rd) and his card market percentile (26th) is 27 points in favor of production. A player producing well above what his card is priced at is the pattern Prospect Card Radar flags as underpriced.
As of August 1, 2026, the sold value for a raw Roc Riggio base 1st Bowman Chrome autograph is about $14, and about $30 graded PSA 10. This is a sold figure, not an asking price. Prospect Card Radar tracks it daily alongside live eBay asks so you can see the spread between what sellers want and what cards actually trade for.
The current Bowman Chrome 1st Bowman autograph average for Roc Riggio is $20 based on live eBay listings tracked by Prospect Card Radar. Numbered parallels and refractor colors are excluded so the figure reflects base autos only. Data refreshes multiple times per day.
Current Bowman Chrome 1st auto listings for Roc Riggio range from $16 to $66 based on live eBay data across 3 listings. The wider the spread, the more variation in condition and seller pricing.
Roc Riggio is ranked #210 in the Prospect Card Radar composite top 300, which blends MLB Pipeline, Fangraphs, and Baseball America rankings (composite last recomputed July 5, 2026). Individual source ranks are listed at the top of his prospect page.
Roc Riggio plays 2B in the Rockies organization.
Prospect Card Radar tracks live Roc Riggio card listings, recently delisted cards, real sold values, and 30-day price history at https://prospectcardradar.com/prospects/roc-riggio. Listings update continuously throughout the day.
Prospect Card Radar pulls live active listings from eBay, filters to base 1st autographs (numbered parallels, refractor colors, superfractors, and printing plates excluded), and computes a rolling average. Raw and PSA 10 averages are tracked separately. Methodology details at https://prospectcardradar.com/methodology.
Answers are generated from Prospect Card Radar’s own daily data and carry the date they were computed. Percentiles compare this prospect against the tracked pool; sold values come from SportsCardsPro; asking prices come from live eBay listings.
