CGC Pop Reports Explained: Reading Comic Scarcity
CGC census reports describe comics graded by CGC. Learn what the counts can show, what they omit, and why they should not be treated as price forecasts.
The Lesson: Pop reports are public data on cgccomics.com. Most casual collectors never check them. The collectors who do consistently identify undervalued books before broader recognition — and avoid overgraded modern keys with bloated populations.
What the Pop Report Shows
For each comic, CGC publishes the count of every graded copy at every grade tier. A typical entry looks like:
Amazing Spider-Man #300 (1988)
CGC 9.9: 4
CGC 9.8: 1,844
CGC 9.6: 4,127
CGC 9.4: 5,890
CGC 9.2: 4,910
CGC 9.0: 3,720
Lower grades: 18,000+
The shape of the distribution matters as much as the absolute numbers. ASM #300 at 9.8 has 1,844 copies — sounds high until you see 18,000+ in mid grade.
Three Metrics to Calculate
CGC 9.8 count / Total graded.
ASM #300: 1,844 / 38,500 = 4.8%. A book under 5% gem rate has a stronger CGC 9.8 premium than one above 10%.
CGC 9.8 price × population scarcity at 9.9.
If 9.9 pop is < 1% of 9.8 pop, the 9.9 typically trades 5-15x the 9.8 price.
CGC publishes monthly delta — new submissions vs prior month.
Books with rapidly growing populations face price pressure. Books with flat populations are stable to appreciating.
Three Practical Plays
- Identify low-pop modern keys. Modern books with CGC 9.8 pop under 100 and a strong character are systematically underpriced.
- Avoid pop-bloat traps. Modern variants with 5,000+ CGC 9.8 copies will struggle to appreciate even if the character pops in a movie.
- Track 9.9 emergence. Books that just produced their first CGC 9.9 often see a 15-25% bump on the 9.8 within 6 months.
Browse Comics by Pop
Mint Condition tracks CGC 9.8 populations live for every comic in our database.
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