Data is Truth

Issue #3 | January 31, 2026 Comped The Numbers This week we see:-Baseball gains accelerating slightly-Basketball gains de-accelerating slightly-Football index slightly negative-Soccer giving back last week’s gains-Pokemon at the same weekly gain pace-One Piece getting hammered-S&P 500 turning to a weekly gain-Gold negative after a huge week last-Bitcoin continuing its downtrend Are you worried about … Read more

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I Do Not Gotta Catch ‘Em All

Issue #2 | January 24, 2026 Comped The Numbers Every week, you’ll see numbers for these 9 traditional and alternate markets. Sometimes I’ll put some light commentary here for you on the card side, based on my own forecasts and research. For instance, no signs of the runaway train that is TCG slowing anytime soon. … Read more

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Oh, K

Issue #1 | January 17, 2026 Comped Welcome to Comped Congratulations on being here for the first issue of Comped. I am ecstatic that you are here from the very beginning, as we get to make this journey together. Plus, just like in sets, the first always matters. You may be wondering what insights are … Read more

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Episode 42 I Found The Most Undervalued Cards in the Hobby

Released: February 24, 2026 | Duration: 13:39 Prefer audio-only? About This Episode Grading has a structural mispricing that represents one of the most compelling arbitrage opportunities in the sports card market. This episode breaks down the population data, valuation multiples, and market mechanics that explain why. The key analysis centers on the PSA 10 to … Read more

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Episode 41 Meta-tagging 311 Sales: Lessons My Sports Card Portfolio Taught Me

Slabnomics Episode 37 - Soccer Card Portfolio Analysis

Released: February 17, 2026 | Duration: 27:09 Prefer audio-only? About This Episode This sports card portfolio analysis reveals what works in soccer investing. Some collectors approach soccer cards like stock portfolios, diversifying across mid-tier players…I know I did. After analyzing 311 sales across 10 months and $55,000 deployed, the data reveals a different story: concentration … Read more

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Episode 40 A Prizm Cross-Sport Comparison

Released: February 10, 2026 | Duration: 17:31 Prefer audio-only? About This Episode The Problem/Question: How do you compare players from different sports when every set has different prices, different supply levels, and different collector bases? Most cross-sport comparisons are subjective: GOAT debates, legacy arguments, cultural rankings. But what if you could put actual numbers to … Read more

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Episode 39 Player Archetypes and Valuation

Released: February 2, 2026 | Duration: 20:45 Prefer audio-only? About This Episode The Problem/Question: We know Michael Jordan cards are worth more than Karl Malone’s. We know Tom Brady outvalues Rex Grossman. But can you articulate exactly why – or by how much – in a way that’s systematic and predictive? Most of the valuation … Read more

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Episode 38 Why Your Cards Sell for Less (Auction vs BIN Breakdown)

Released: January 26, 2026 | Duration: 22:17 Prefer audio-only? About This Episode The Problem/Question: You listed your card on eBay. A week later it sold – but for less than you expected. Was it the timing? The format? The opening bid? The data says the format matters more than most sellers realize. A Stanford research … Read more

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Episode 37 PSA 9 is Dead. All Hail Gem Mint 10

Released: January 13, 2026 | Duration: 24:23 Prefer audio-only? About This Episode The Problem/Question: You’ve been told PSA 9 is a solid grade. Safe. Respectable. But in modern and ultra-modern cards, that PSA 9 is increasingly selling for less than a raw copy fresh out of the pack. The grading explosion of the last five … Read more

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Episode 36 Demand Windows: A Rising Tide Does NOT Lift All Cards

Released: January 5, 2026 | Duration: 27:36 Prefer audio-only? About This Episode The Problem/Question: Most collectors assume a bull market means everything goes up. But demand doesn’t work like a tide – it works like a current. It has a direction, a velocity, and a target. When capital enters the sports card market, it flows … Read more

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