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Detective Comics #577
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Detective Comics #577
Comic Price Guide by CGC Grade
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Grade
Estimated Worth
Detective Comics #577
CGC Grade 9.8
CGC Grade 9.8
Sales data shows unusual volume, with a 910.8% change in year to date sales volume compared to prior years.
| Fair Value | Market Value | CAGR |
|---|---|---|
| 139 | 312 | 6.0% |
| CAGR (Inflation Adj) |
Years Tracked | Correlation |
|---|---|---|
| 3.3% | 22 | None/Very Weak |
| 1 Year Avg (20 sold) |
90 Day Avg (4 sold) |
30 Day Avg (0 sold) |
|---|---|---|
| 133 | 142 | 0 |
| Last Sale (Nov 2025) |
Avg Days To Sale | Sales Tracked |
|---|---|---|
| 139 | 155 | 54 |
| All Time Low (2004) |
All Time High (2024) |
Down ATH (%) |
|---|---|---|
| 32 | 1100 | 87.4% |
| Issue Volume (% YTD) |
Issue Volume (YTD) |
Relative Volume (YTD) |
|---|---|---|
| 910.8% | 17 | 10.1 |
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Detective Comics #577
CGC Grade 9.6
CGC Grade 9.6
| Fair Value | Market Value | CAGR |
|---|---|---|
| 49 | 121 | -6.9% |
| CAGR (Inflation Adj) |
Years Tracked | Correlation |
|---|---|---|
| -12.1% | 3 | None/Very Weak |
| 1 Year Avg (7 sold) |
90 Day Avg (1 sold) |
30 Day Avg (0 sold) |
|---|---|---|
| 49 | 47 | 0 |
| Last Sale (Oct 2025) |
Avg Days To Sale | Sales Tracked |
|---|---|---|
| 47 | 38 | 29 |
| All Time Low (2023) |
All Time High (2024) |
Down ATH (%) |
|---|---|---|
| 23 | 81 | 39.5% |
| Issue Volume (% YTD) |
Issue Volume (YTD) |
Relative Volume (YTD) |
|---|---|---|
| -21.7% | 6 | 0.8 |
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Detective Comics #577
CGC Grade 9.4
CGC Grade 9.4
| Fair Value | Market Value | CAGR |
|---|---|---|
| 40 | 298 | -10.5% |
| CAGR (Inflation Adj) |
Years Tracked | Correlation |
|---|---|---|
| -15.2% | 4 | None/Very Weak |
| 1 Year Avg (6 sold) |
90 Day Avg (0 sold) |
30 Day Avg (0 sold) |
|---|---|---|
| 38 | 0 | 0 |
| Last Sale (Sep 2025) |
Avg Days To Sale | Sales Tracked |
|---|---|---|
| 40 | 114 | 16 |
| All Time Low (2025) |
All Time High (2021) |
Down ATH (%) |
|---|---|---|
| 16 | 59 | 32.2% |
| Issue Volume (% YTD) |
Issue Volume (YTD) |
Relative Volume (YTD) |
|---|---|---|
| 140.0% | 6 | 2.4 |
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Detective Comics #577
CGC Grade 9.2
CGC Grade 9.2
| Fair Value | Market Value | CAGR |
|---|---|---|
| 34 | 150 | -12.1% |
| CAGR (Inflation Adj) |
Years Tracked | Correlation |
|---|---|---|
| -16.9% | 3 | None/Very Weak |
| 1 Year Avg (1 sold) |
90 Day Avg (0 sold) |
30 Day Avg (0 sold) |
|---|---|---|
| 34 | 0 | 0 |
| Last Sale (Sep 2025) |
Avg Days To Sale | Sales Tracked |
|---|---|---|
| 34 | 209 | 6 |
| All Time Low (2023) |
All Time High (2023) |
Down ATH (%) |
|---|---|---|
| 14 | 50 | 32.0% |
| Issue Volume (% YTD) |
Issue Volume (YTD) |
Relative Volume (YTD) |
|---|---|---|
| -40.0% | 1 | 0.6 |
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Detective Comics #577
CGC Grade 9.0
CGC Grade 9.0
| Fair Value | Market Value | CAGR |
|---|---|---|
| 45 | 170 | 29.1% |
| CAGR (Inflation Adj) |
Years Tracked | Correlation |
|---|---|---|
| 23.2% | 2 | Strong |
| 1 Year Avg (1 sold) |
90 Day Avg (0 sold) |
30 Day Avg (0 sold) |
|---|---|---|
| 45 | 0 | 0 |
| Last Sale (Jan 2025) |
Avg Days To Sale | Sales Tracked |
|---|---|---|
| 45 | 115 | 7 |
| All Time Low (2023) |
All Time High (2025) |
Down ATH (%) |
|---|---|---|
| 26 | 45 | 0.0% |
| Issue Volume (% YTD) |
Issue Volume (YTD) |
Relative Volume (YTD) |
|---|---|---|
| -66.7% | 1 | 0.3 |
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Detective Comics #577
CGC Grade 4.5
CGC Grade 4.5
No sales have been tracked for this grade.
| Fair Value | Market Value | CAGR |
|---|---|---|
| - | - | - |
| CAGR (Inflation Adj) |
Years Tracked | Correlation |
|---|---|---|
| - | - | - |
| 1 Year Avg ( sold) |
90 Day Avg ( sold) |
30 Day Avg ( sold) |
|---|---|---|
| - | - | - |
| Last Sale (-) |
Avg Days To Sale | Sales Tracked |
|---|---|---|
| - | - | 0 |
| All Time Low (-) |
All Time High (-) |
Down ATH (%) |
|---|---|---|
| - | - | - |
| Issue Volume (% YTD) |
Issue Volume (YTD) |
Relative Volume (YTD) |
|---|---|---|
| - | 0 | - |
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No available listings at the moment.
Detective Comics #577
CGC Grade 4.0
CGC Grade 4.0
No sales have been tracked for this grade.
| Fair Value | Market Value | CAGR |
|---|---|---|
| - | - | - |
| CAGR (Inflation Adj) |
Years Tracked | Correlation |
|---|---|---|
| - | - | - |
| 1 Year Avg ( sold) |
90 Day Avg ( sold) |
30 Day Avg ( sold) |
|---|---|---|
| - | - | - |
| Last Sale (-) |
Avg Days To Sale | Sales Tracked |
|---|---|---|
| - | - | 0 |
| All Time Low (-) |
All Time High (-) |
Down ATH (%) |
|---|---|---|
| - | - | - |
| Issue Volume (% YTD) |
Issue Volume (YTD) |
Relative Volume (YTD) |
|---|---|---|
| - | 0 | - |
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Detective Comics #577
CGC Grade 3.5
CGC Grade 3.5
No sales have been tracked for this grade.
| Fair Value | Market Value | CAGR |
|---|---|---|
| - | - | - |
| CAGR (Inflation Adj) |
Years Tracked | Correlation |
|---|---|---|
| - | - | - |
| 1 Year Avg ( sold) |
90 Day Avg ( sold) |
30 Day Avg ( sold) |
|---|---|---|
| - | - | - |
| Last Sale (-) |
Avg Days To Sale | Sales Tracked |
|---|---|---|
| - | - | 0 |
| All Time Low (-) |
All Time High (-) |
Down ATH (%) |
|---|---|---|
| - | - | - |
| Issue Volume (% YTD) |
Issue Volume (YTD) |
Relative Volume (YTD) |
|---|---|---|
| - | 0 | - |
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Detective Comics #577
CGC Grade 1.5
CGC Grade 1.5
No sales have been tracked for this grade.
| Fair Value | Market Value | CAGR |
|---|---|---|
| - | - | - |
| CAGR (Inflation Adj) |
Years Tracked | Correlation |
|---|---|---|
| - | - | - |
| 1 Year Avg ( sold) |
90 Day Avg ( sold) |
30 Day Avg ( sold) |
|---|---|---|
| - | - | - |
| Last Sale (-) |
Avg Days To Sale | Sales Tracked |
|---|---|---|
| - | - | 0 |
| All Time Low (-) |
All Time High (-) |
Down ATH (%) |
|---|---|---|
| - | - | - |
| Issue Volume (% YTD) |
Issue Volume (YTD) |
Relative Volume (YTD) |
|---|---|---|
| - | 0 | - |
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Detective Comics #577
CGC Grade 1.0
CGC Grade 1.0
No sales have been tracked for this grade.
| Fair Value | Market Value | CAGR |
|---|---|---|
| - | - | - |
| CAGR (Inflation Adj) |
Years Tracked | Correlation |
|---|---|---|
| - | - | - |
| 1 Year Avg ( sold) |
90 Day Avg ( sold) |
30 Day Avg ( sold) |
|---|---|---|
| - | - | - |
| Last Sale (-) |
Avg Days To Sale | Sales Tracked |
|---|---|---|
| - | - | 0 |
| All Time Low (-) |
All Time High (-) |
Down ATH (%) |
|---|---|---|
| - | - | - |
| Issue Volume (% YTD) |
Issue Volume (YTD) |
Relative Volume (YTD) |
|---|---|---|
| - | 0 | - |
Loading sales chart & history...
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Detective Comics #577
CGC Grade 0.5
CGC Grade 0.5
No sales have been tracked for this grade.
| Fair Value | Market Value | CAGR |
|---|---|---|
| - | - | - |
| CAGR (Inflation Adj) |
Years Tracked | Correlation |
|---|---|---|
| - | - | - |
| 1 Year Avg ( sold) |
90 Day Avg ( sold) |
30 Day Avg ( sold) |
|---|---|---|
| - | - | - |
| Last Sale (-) |
Avg Days To Sale | Sales Tracked |
|---|---|---|
| - | - | 0 |
| All Time Low (-) |
All Time High (-) |
Down ATH (%) |
|---|---|---|
| - | - | - |
| Issue Volume (% YTD) |
Issue Volume (YTD) |
Relative Volume (YTD) |
|---|---|---|
| - | 0 | - |
Loading sales chart & history...
Comics For Sale
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Quick Insights on Detective Comics #577 in 2025
When was the last recorded sale for Detective Comics #577?
The last recorded sale was a CGC 8.5 for $30 on 12/09/2025 at eBay.
What was the highest sale recorded for Detective Comics #577?
The highest recorded sale was a CGC 9.8 for $1,100 on 12/22/2024 at eBay.
What was the lowest sale recorded for Detective Comics #577?
The lowest recorded sale was a CGC 9.2 for $14 on 06/25/2023 at eBay.
Which grade has the best annual growth for Detective Comics #577?
A CGC 9.8 shows the highest inflation-adjusted CAGR at 3.3% over 2003–2025 (22 years).
How often does Detective Comics #577 sell?
Average days to sell vary by grade (~every 38–450 days by grade), ranging from CGC 9.6 every 38 days to CGC 8.5 every 450 days.
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Frequently Asked Questions
What is Underval?
Underval is a free comic-book analytics and listings platform. We estimate fair value by grade, display annual growth rate, show recent sales and sales history, and surface active listings.
Where do your sales come from?
We aggregate public online sales from major marketplaces and auctions such as eBay and Heritage Auctions, then normalize and de-duplicate them by issue and grade.
How do you calculate “Estimated Worth (Fair Value)?”
Fair value blends recent realized sales with longer-term trends, outlier filtering, and grade-level liquidity. It’s an informational estimate, not an offer.
How often are values updated?
Values update as new sales appear. Each grade’s “Updated on” date reflects the most recent sale we’ve matched for that grade.
Which grades do you cover?
We track Universal CGC-graded copies across common scale points (e.g., 0.5–10). Availability varies by issue and observed market activity.
Do you offer investment advice?
No. Underval provides data and estimates for research purposes only. Always do your own diligence before buying or selling.
0 searches
Last searched: 2025-12-19
Price guide FAQ
Fair Value by CGC Grade — Detective Comics #577
What is Detective Comics #577 CGC 9.8 worth in 2025?
Estimated worth (Fair Value) is $139
based on 54 sales over ~22 years
.
Informational estimate, not an offer.
Updated on
based on the last sale.
Also searched as: Detective Comics #577 CGC 9.8 value, CGC 9.8 price, Detective Comics #577 worth.
What is Detective Comics #577 CGC 9.6 worth in 2025?
Estimated worth (Fair Value) is $49
based on 29 sales over ~3 years
.
Informational estimate, not an offer.
Updated on
based on the last sale.
Also searched as: Detective Comics #577 CGC 9.6 value, CGC 9.6 price, Detective Comics #577 worth.
What is Detective Comics #577 CGC 9.4 worth in 2025?
Estimated worth (Fair Value) is $40
based on 16 sales over ~4 years
.
Informational estimate, not an offer.
Updated on
based on the last sale.
Also searched as: Detective Comics #577 CGC 9.4 value, CGC 9.4 price, Detective Comics #577 worth.
What is Detective Comics #577 CGC 9.2 worth in 2025?
Estimated worth (Fair Value) is $34
based on 6 sales over ~3 years
.
Informational estimate, not an offer.
Updated on
based on the last sale.
Also searched as: Detective Comics #577 CGC 9.2 value, CGC 9.2 price, Detective Comics #577 worth.
What is Detective Comics #577 CGC 9.0 worth in 2025?
Estimated worth (Fair Value) is $45
based on 7 sales over ~2 years
.
Informational estimate, not an offer.
Updated on
based on the last sale.
Also searched as: Detective Comics #577 CGC 9.0 value, CGC 9.0 price, Detective Comics #577 worth.
What is Detective Comics #577 CGC 8.5 worth in 2025?
Estimated worth (Fair Value) is $30
based on 3 sales over ~2 years
.
Informational estimate, not an offer.
Updated on
based on the last sale.
Also searched as: Detective Comics #577 CGC 8.5 value, CGC 8.5 price, Detective Comics #577 worth.
What is Detective Comics #577 CGC 8.0 worth in 2025?
Estimated worth (Fair Value) is $29
based on 4 sales over ~2 years
.
Informational estimate, not an offer.
Updated on
based on the last sale.
Also searched as: Detective Comics #577 CGC 8.0 value, CGC 8.0 price, Detective Comics #577 worth.
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