Jacob Misiorowski wanted only one pitch to make World Sequence historical past. His sports activities card market, nevertheless, is telling a extra sophisticated story.
The Milwaukee Brewers pitcher opened Sport 1 in opposition to the Tampa Bay Rays on October 23 with a 103.5 mph fastball, the quickest World Sequence pitch recorded since MLB started monitoring velocity in 2008.
Misiorowski went on to permit one run throughout 5 innings in Milwaukee’s 3-2 victory, including one other milestone to a exceptional 2026 season.
Buying and selling exercise involving his rookie playing cards was additionally elevated Friday. Based on Card Ladder gross sales information reviewed by Heavy, recorded transactions involving Misiorowski’s 2026 Topps Chrome #196 playing cards elevated roughly 153% from the day past.
However whereas collectors had been shopping for and promoting extra playing cards, costs weren’t essentially following swimsuit.
Jacob Misiorowski Rookie Card Gross sales Bounce 153%
Card Ladder recorded 91 transactions dated October 23 involving Misiorowski’s 2026 Topps Chrome #196 rookie card and its numerous parallels, in comparison with 36 on October 22.
That’s a 152.8% enhance in recorded buying and selling exercise.
The figures embrace base playing cards, refractors and different variations, somewhat than 91 gross sales of the identical card. Precise transaction instances had been unavailable, that means the rise can’t be attributed on to Misiorowski’s World Sequence efficiency.
Extra considerably, the extra buying and selling exercise didn’t translate right into a comparable enhance in base rookie card costs.
Amongst obvious ungraded 2026 Topps Chrome #196 base-card gross sales reviewed by Heavy, the median worth was roughly $2.74 on October 22 and $2.75 on October 23.
Six further transactions recorded October 24 had a median worth of $2, though that pattern represented solely a part of the day.
In different phrases, collectors had been buying and selling Misiorowski playing cards extra regularly, however his customary Chrome rookie wasn’t instantly commanding considerably greater costs.
The high-end market provided an much more placing instance.
Jacob Misiorowski $15,000 Bowman Autograph Sells for $11,100
One in all Misiorowski’s most fascinating prospect-era playing cards skilled a notable decline in its reported sale worth even because the Brewers reached the World Sequence.
A 2022 Bowman Draft Chrome Gold Refractor Autograph numbered 41/50, graded PSA 10, was recorded in a $15,000 transaction by way of Fanatics Accumulate in September.
The identical bodily card bought at a Fanatics Premier public sale on October 23 for $11,100, together with the client’s premium.
That’s a $3,900 distinction, or a 26% decline.
The transactions could be linked by way of PSA certification quantity 124896142, eliminating the uncertainty that comes from evaluating completely different copies of a scarce card. The PSA 10 grade applies to the cardboard, whereas its autograph is authenticated however not numerically graded.
The transactions additionally used completely different sale codecs, and the info doesn’t set up whether or not the October public sale concluded earlier than or after Misiorowski’s World Sequence look. The September transaction’s exact date additionally differs between accessible information.
Nonetheless, the comparability underscores an necessary distinction: historic performances don’t robotically produce greater costs for collectibles that had been already costly.
Different Bowman autograph gross sales illustrate the identical stress.
Card Ladder’s noticed median for Misiorowski’s 2022 Bowman Draft Refractor Autograph /499, graded PSA 10, decreased from $4,250 in September to $3,100 in October. These figures are based mostly on simply three transactions in every month, nevertheless, making them inadequate to determine a market-wide pattern.
Jacob Misiorowski Playing cards Have Already Skilled a Large Value Increase
The most important motion in Misiorowski’s card market occurred nicely earlier than his World Sequence debut.
Following his June 12, 2025, MLB debut, collectors aggressively pursued his 2022 Bowman prospect autographs.
Sports activities Illustrated reported on June 26, 2025, that Card Ladder had recorded 33 Misiorowski transactions of not less than $1,000 since his debut, in comparison with seven earlier than it.
That momentum ultimately produced some extraordinary transactions.
A 2022 Bowman Draft Chrome Superfractor Autograph 1/1, graded PSA 10, bought by way of Fanatics Accumulate for $52,800 in July 2025, together with the client’s premium.
And the positive aspects weren’t restricted to one-of-one playing cards.
A 2022 Bowman Draft Chrome base autograph PSA 10 recorded a $148 transaction on June 10, 2025. A comparable PSA 10 bought for $2,225 on October 19, 2026 — roughly 1,403% greater.
Misiorowski has since backed up that early pleasure with an distinctive season. He led MLB with a 1.80 ERA and 252 strikeouts in 2026 earlier than opening the World Sequence with a record-setting fastball.
But with that success already mirrored in a few of his most coveted playing cards, the excellence between rising curiosity and rising costs has turn into more and more necessary.
Collectors can nonetheless buy a lot of his customary ungraded Topps Chrome rookies for only some {dollars}. His scarce, graded Bowman autographs occupy a completely completely different market, with particular person examples commanding 1000’s and even tens of 1000’s.
Misiorowski’s first World Sequence look gave collectors one other historic second to rejoice.
Whether or not it provides his costliest playing cards one other sustained enhance in worth is a unique query.
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