Introduction
The sports card market continues to see significant movement across football, baseball, and basketball as the 2026 season delivers exciting performances and unexpected storylines. With the World Series underway, the NBA season beginning, and the NFL in midseason form, collectors are seeing major price changes across several of the hobby's most popular players.
Postseason performances, new opportunities, and record-setting achievements are driving increased demand for rookie cards, prospect autographs, and premium inserts. Milwaukee Brewers players William Contreras and Garrett Mitchell are benefiting from their postseason success, while J.J. McCarthy's opportunity with the New York Giants and LaMelo Ball's fresh start in Minnesota have helped push their cards higher.
This week's list features five players whose cards are making significant moves. Let's break down the Top 5 Sports Cards Heating Up by Sports Card Investor based on the latest Market Movers data.
Sports Card Market Pulse
The overall sports card market has cooled slightly after an exceptional run throughout 2026. The SCI 500 Index, which tracks 500 of the most prominent sports cards, is down a little more than 1% over the last seven days and the last 30 days.
Despite the recent decline, the broader market remains remarkably strong and is still up approximately 57% since January 1st, 2026.
SCI 500 Index Performance:
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Down 1.6% over the last 7 days
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Down 1.2% over the last 30 days
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Up 56.7% since January 1st, 2026
The year-to-date increase highlights the strength of the sports card market throughout 2026. Although the latest decline suggests some short-term cooling, individual players are still experiencing substantial price increases.
Baseball is generating considerable attention as the Milwaukee Brewers continue their postseason run, helping drive demand for William Contreras and Garrett Mitchell cards. Football remains active as J.J. McCarthy gets another opportunity to start in the NFL, while Brock Purdy's record-setting performance has pushed his cards to new price levels.
Basketball is also represented this week, with LaMelo Ball's move to Minnesota generating renewed interest in his rookie cards.
The combination of postseason success, player performance, new opportunities, and collector demand is creating significant movement across the sports card market.
The Top 5 Sports Cards Heating Up
5. William Contreras
William Contreras, the catcher for the Milwaukee Brewers, opens this week's list after a strong postseason performance helped drive increased interest in his baseball cards. Contreras has already earned two All-Star selections and two Silver Slugger Awards during his career, establishing himself as one of the prominent catchers in the game.
He has continued to produce during Milwaukee's postseason run, batting .367 with three home runs and five RBIs. One of his biggest moments came in Game 2 of the National League Championship Series against the Los Angeles Dodgers, when he hit a crucial three-run home run.
With Milwaukee making a deep postseason run, Contreras has become one of the players generating increased attention from collectors. His prospect and rookie autograph cards have recorded noticeable price increases over the past month.
Key Card Movements:
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2018 Bowman Chrome Prospect Auto 1st (Raw): Less than $20 → $60
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2018 Bowman Chrome Prospect Auto 1st (PSA 10): $170 → $230
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2021 Topps Chrome Rookie Auto (Raw): Around $12 → $23-$35
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2021 Topps Chrome Sapphire Edition Rookie Auto (Raw): $30 → $53
Contreras' postseason production has helped push his cards higher, with his 2018 Bowman Chrome Prospect Autograph in raw condition tripling from less than $20 to approximately $60. His 2021 Topps Chrome Sapphire Edition Rookie Autograph has also climbed significantly.
4. Garrett Mitchell
Garrett Mitchell takes the fourth spot after delivering several important moments during the Milwaukee Brewers' postseason run. Mitchell has played a key role in Milwaukee's push toward its first World Series appearance in 44 years, hitting two home runs in the series against the Dodgers.
He has recorded a .786 OPS during the postseason stretch highlighted in the market update. One of his biggest moments came in Game 4, when he launched a go-ahead home run in the sixth inning to help Milwaukee complete its sweep of Los Angeles.
His postseason performance has generated increased interest in his prospect and rookie autograph cards, with several releases experiencing significant gains.
Key Card Movements:
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2020 Bowman Draft Chrome DP Auto Refractor /499 1st (Raw): $42 → $67
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2020 Bowman Draft Chrome DP Auto 1st (Raw): $36 → $46
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2020 Bowman Draft Chrome DP Auto 1st (PSA 10): $125 → $158
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2021 Bowman Chrome Sapphire Edition Chrome Prospect Auto (Raw): $15 → $40
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2023 Topps Chrome Update Autographs Refractor /499 Rookie (Raw): $11 → $40
Mitchell's 2021 Bowman Chrome Sapphire Edition Prospect Autograph has climbed from $15 to $40, while his 2023 Topps Chrome Update Rookie Autograph Refractor numbered to 499 has increased from $11 to $40.
His recent performances have helped bring renewed attention to his baseball cards as collectors follow Milwaukee's postseason success.
3. J.J. McCarthy
J.J. McCarthy takes the number three position after receiving another opportunity to start at quarterback with the New York Giants. The former No. 10 overall pick was traded by the Minnesota Vikings to New York in September, giving him a fresh opportunity to establish himself in the NFL.
McCarthy gained attention after replacing Jameis Winston against New Orleans, throwing for 243 yards and leading three scoring drives in the fourth quarter. The Giants subsequently named him their Week 8 starter, setting up an important opportunity against Houston.
His recent performances and increased role have helped generate renewed interest in his football cards. Several of his rookie inserts and graded cards have recorded substantial increases over the past month.
Key Card Movements:
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2024 Optic Downtown SSP Rookie (Raw): $180 → $285
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2024 Optic Downtown SSP Rookie (PSA 10): $426 → $600
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2024 Optic Uptowns SSP Rookie (Raw): $90-$120 → $133-$146
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2024 Optic Uptowns SSP Rookie (PSA 10): $165 → $265
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2024 Prizm Silver Rookie (PSA 10): $148 → $233
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2025 Topps Chrome Ultra Violet SSP (Raw): $81 → $173
McCarthy's 2024 Panini Donruss Optic Downtown Rookie in PSA 10 has climbed from $426 to $600, while his 2025 Topps Chrome Ultraviolet Case Hit has more than doubled in raw condition.
His opportunity with the Giants has created considerable momentum, although his upcoming performance will be important in determining whether his card prices continue to rise.
2. LaMelo Ball
LaMelo Ball of the Minnesota Timberwolves claims the number two position after generating renewed interest following his move to Minnesota. Ball was one of the biggest names from the 2020 NBA Draft class and previously played for Charlotte before being acquired by Minnesota in a blockbuster offseason trade.
Collectors are excited about the possibility of Ball forming an exciting backcourt alongside All-Star Anthony Edwards. During his previous season with Charlotte, Ball averaged more than 20 points and seven assists per game, and there is optimism that his production could increase in his new situation.
That excitement has already translated into higher prices across several of his rookie cards, including premium inserts and popular base releases.
Key Card Movements:
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2020 Crown Royale Kaboom! SSP Rookie (PSA 10): $3,700 → Nearly $4,300
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2020 Hoops Base Rookie (PSA 10): $23 → $44
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2020 Optic Base Rookie (PSA 10): $30 → $42
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2020 Optic Holo Rookie (PSA 10): $140 → $157
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2020 Prizm Base Rookie (PSA 10): $47 → $83
Ball's 2020 Panini NBA Hoops Rookie in PSA 10 has nearly doubled over the past month, while his 2020 Panini Prizm Base Rookie in PSA 10 has increased from $47 to approximately $83.
His 2020 Crown Royale Kaboom! Rookie remains a major highlight, approaching $4,300 in PSA 10 condition. With a new team and the potential for an exciting partnership with Anthony Edwards, Ball's performance will be closely watched by collectors throughout the season.
1. Brock Purdy
Brock Purdy of the San Francisco 49ers takes the number one spot after another impressive stretch has pushed his football cards sharply higher. Purdy officially became the NFL's all-time leader in career passer rating during San Francisco's win over Washington after crossing the 1,500-career-pass-attempt threshold required to qualify for the record.
He moved ahead of notable quarterbacks including Lamar Jackson, Aaron Rodgers, and Patrick Mahomes. San Francisco also opened the season 6-0 for the first time since 2019, strengthening the excitement around Purdy and his potential MVP candidacy.
His record-setting achievement and strong start have helped drive substantial gains across his rookie cards, premium inserts, and autographs.
Key Card Movements:
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2022 Chronicles Prizm Black Rookie (PSA 10): $75 → $166
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2022 Chronicles Base Rookie (PSA 10): $32 → $55-$70
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2022 Optic Downtown SSP Rookie (PSA 10): $3,890 → $6,000
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2022 Prizm Base Rookie (PSA 10): Around $100 → $185
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2022 Prizm Rookie Autographs (PSA 10): $1,740 → $2,300
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2022 Prizm Silver Rookie (PSA 10): $750 → $1,530
Purdy's 2022 Chronicles Prizm Black Rookie in PSA 10 has more than doubled, rising from $75 to $166. His 2022 Prizm Rookie Autographs in PSA 10 have climbed from $1,740 to $2,300, while his Prizm Silver Rookie in PSA 10 has increased from $750 to $1,530.
The reported $6,000 sale of his 2022 Panini Donruss Optic Downtown Rookie has also drawn attention to his higher-end cards. With Purdy continuing to perform at a high level and San Francisco off to a strong start, his rookie cards remain among the most closely watched in the current sports card market.
Frequently Asked Questions
1. How is the sports card market performing in October 2026?
The SCI 500 Index is down a little more than 1% over the last seven days and the last 30 days. Despite the recent decline, the index remains up approximately 57% since January 1st, 2026.
2. Which sports cards are heating up the most this week?
Brock Purdy, LaMelo Ball, J.J. McCarthy, Garrett Mitchell, and William Contreras headline this week's list. Their cards are benefiting from strong performances, postseason success, new opportunities, and increased collector interest.
3. Why are William Contreras and Garrett Mitchell cards increasing in value?
Both Milwaukee Brewers players have benefited from the team's postseason run. Contreras has produced offensively, including a major three-run home run, while Mitchell has delivered important home runs and other key moments. Their performances have helped increase interest in their prospect and rookie autograph cards.
4. Why are J.J. McCarthy football cards gaining value?
McCarthy has received another opportunity to start in the NFL after joining the New York Giants. His performance against New Orleans and his appointment as the Week 8 starter have helped generate renewed interest in his rookie cards and premium inserts.
5. Which LaMelo Ball rookie cards are moving higher?
Several of Ball's 2020 rookie cards have increased in value, including his Crown Royale Kaboom!, NBA Hoops, Donruss Optic, and Prizm releases. His 2020 Panini Hoops Rookie in PSA 10 rose from $23 to $44, while his 2020 Panini Prizm Base Rookie in PSA 10 increased from $47 to approximately $83.
6. Why are Brock Purdy cards heating up?
Purdy became the NFL's all-time career passer-rating leader after reaching the required number of pass attempts. His strong start with the 49ers and potential MVP candidacy have helped drive major increases across his rookie cards, autographs, and premium inserts.
7. Should collectors buy sports cards after a major price increase?
A recent price increase does not guarantee future gains. Collectors should review recent completed sales, compare card conditions and grades, and consider market demand before buying. Sports card prices can fluctuate quickly as player performance and collector sentiment change.
Conclusion
This week's sports card market highlights how player performance, postseason success, and new opportunities can quickly influence collector demand.
William Contreras and Garrett Mitchell are benefiting from Milwaukee's postseason run, with several of their prospect and rookie autograph cards posting impressive gains. J.J. McCarthy's opportunity with the New York Giants has helped lift his rookie cards, while LaMelo Ball's move to Minnesota has generated renewed interest in his 2020 releases.
Brock Purdy takes the top spot after becoming the NFL's all-time career passer-rating leader and helping San Francisco get off to a strong start. His rookie cards, autographs, and premium inserts have recorded some of the most notable price increases of the week.
The broader sports card market remains strong despite a modest short-term decline. With the SCI 500 Index still up approximately 57% year-to-date, 2026 continues to be an exceptional year for the hobby.
As the NFL season progresses, the NBA gets underway, and baseball's postseason continues, collectors will be watching for the next standout performance or major storyline capable of moving the market.
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