From a fan’s and collector’s point of view, as long as he keeps hitting as he’s done since his rookie year, the value of his autographed rookie cards will keep trending upwards – even if he doesn’t play for some historic franchise.
It might be coincidence that the hottest card this season – the 2018 Bowman Chrome Shohei Ohtani superfractor – is up for auction via Goodwin & Co. (minimum bid to start is $6K!) around the time Ohtani is given the green light to pitch again.
If he can lead the Giants to the Super Bowl, there’s no doubt OBJ’s rookie cards will continue to increase in value. As for now, here are some of the high-end autograph rookie cards currently available on eBay.