The 2021 Panini Contenders Klay Thompson #20 is valued at $0.34 raw, $10.39 in PSA 9, $30.65 in PSA 10 as of October 10, 2026. With 7 recorded sales, it ranks #396 of 500 basketball cards we track by trading volume.
On current values, a PSA 9 ($10.39) is worth $14.95 less than a raw copy plus a $25.00 grading fee, while a PSA 10 ($30.65, 90.1× raw) is worth $5.31 more, so the difference comes down to the grade.
About $0.34 raw, $10.39 in PSA 9, $30.65 in PSA 10, based on our market values as of October 10, 2026.
On current values, a PSA 9 ($10.39) is worth $14.95 less than a raw copy plus a $25.00 grading fee, while a PSA 10 ($30.65, 90.1× raw) is worth $5.31 more, so the difference comes down to the grade. This ignores gem rate and selling fees, so treat it as a best case.