Learn
Every page on Cardboard Assets is built on the same set of analytical primitives — grading-economics math, basket-return-vs-S&P-500 framing, and a strict no-fabrication data policy. The Learn hub explains how it all works. No editorial opinion, no AI-written takes — just the math, the data sources, and worked examples on real cards.
How grading economics work, how graders compare, what to grade, and when not to.
- PSA vs CGC vs BGS: Which Grader Pays Most? Side-by-side fees, turnaround, gem-rate, and slab premium.
- What Is Gem Rate (And Why It Matters) PSA 10 rate, BGS 10 rate, and how it changes grading-flip math.
- How the Grading Economics Math Works EV, fees, shipping, sales fees, and the GRADE / WATCH / SKIP verdict.
- Should I Grade This Card? A Decision Framework Five questions every flipper should answer before sending a card in.
TCG cards and sealed products as an asset class — benchmarked against S&P 500 Total Return.
How the platform's data pipelines, scores, and benchmarks are constructed.
TCG investment terminology, defined.
Want the math on a specific card?
Run the optimizer on any of 50,016 cards — verdict, per-grader math, raw cost, fees, sale price.
Open the optimizer →