The 2018 Topps Chrome Update an International Affair Shohei Ohtani #IA-SO is valued at $142 raw, $193 in PSA 9, $320 in PSA 10 as of November 3, 2026. Its market value is down 9.3% over the last 30 days, from $156 to $142. Across the 88 days we have tracked it, it has ranged from $137 to $178, and it currently sits 21% below that high. With 497 recorded sales, it ranks #203 of 500 baseball cards we track by trading volume.
On current values, a PSA 9 ($193) is worth $26.75 more than a raw copy plus a $25.00 grading fee, and a PSA 10 ($320, 2.3× raw) is worth $153 more. The cheapest PSA 10 copy we matched on eBay when we last checked on November 3, 2026 was $296, close to our PSA 10 market value of $320.
About $142 raw, $193 in PSA 9, $320 in PSA 10, based on our market values as of November 3, 2026. Its market value is down 9.3% over the last 30 days, from $156 to $142.
On current values, a PSA 9 ($193) is worth $26.75 more than a raw copy plus a $25.00 grading fee, and a PSA 10 ($320, 2.3× raw) is worth $153 more. This ignores gem rate and selling fees, so treat it as a best case.
The cheapest PSA 10 copy we matched on eBay when we last checked on November 3, 2026 was $296, close to our PSA 10 market value of $320.