Storyline
Meet the super-powered villain Electro! Does the Web-Slinger have the power to stop him?
Meet the super-powered villain Electro! Does the Web-Slinger have the power to stop him?
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Past data shows a 5.2% annual growth rate over 22 years. Prices tend to move together over time based on the Strong correlation.
| Fair Value | Market Ask | CAGR |
|---|---|---|
| 3727 | 7650 | 7.9% |
| CAGR (Inflation Adj) |
Years Tracked | Correlation |
|---|---|---|
| 5.2% | 22 | Strong |
| 1 Year Avg (1 sold) |
90 Day Avg (0 sold) |
30 Day Avg (0 sold) |
|---|---|---|
| 3727 | 0 | 0 |
| Last Sale (Jul 2025) |
Avg Days To Sale | Sales Tracked |
|---|---|---|
| 3727 | 152 | 55 |
| All Time Low (2003) |
All Time High (2022) |
Down ATH (%) |
|---|---|---|
| 703 | 6500 | 42.7% |
| Issue Volume (% YTD) |
Issue Volume (YTD) |
Relative Volume (YTD) |
|---|---|---|
| NA | 0 | 0.0 |
Loading sales chart & history...
| Fair Value | Market Ask | CAGR |
|---|---|---|
| 3675 | 4072 | 7.7% |
| CAGR (Inflation Adj) |
Years Tracked | Correlation |
|---|---|---|
| 5.0% | 22 | Strong |
| 1 Year Avg (1 sold) |
90 Day Avg (0 sold) |
30 Day Avg (0 sold) |
|---|---|---|
| 3675 | 0 | 0 |
| Last Sale (Dec 2025) |
Avg Days To Sale | Sales Tracked |
|---|---|---|
| 3675 | 135 | 61 |
| All Time Low (2007) |
All Time High (2022) |
Down ATH (%) |
|---|---|---|
| 717 | 5500 | 33.2% |
| Issue Volume (% YTD) |
Issue Volume (YTD) |
Relative Volume (YTD) |
|---|---|---|
| NA | 0 | 0.0 |
Loading sales chart & history...
| Fair Value | Market Ask | CAGR |
|---|---|---|
| 2742 | 4795 | 7.3% |
| CAGR (Inflation Adj) |
Years Tracked | Correlation |
|---|---|---|
| 4.7% | 20 | Strong |
| 1 Year Avg (3 sold) |
90 Day Avg (1 sold) |
30 Day Avg (0 sold) |
|---|---|---|
| 2781 | 2684 | 0 |
| Last Sale (Jan 2026) |
Avg Days To Sale | Sales Tracked |
|---|---|---|
| 2684 | 129 | 55 |
| All Time Low (2011) |
All Time High (2022) |
Down ATH (%) |
|---|---|---|
| 598 | 5800 | 52.7% |
| Issue Volume (% YTD) |
Issue Volume (YTD) |
Relative Volume (YTD) |
|---|---|---|
| 63.6% | 1 | 1.6 |
Loading sales chart & history...
| Fair Value | Market Ask | CAGR |
|---|---|---|
| 1662 | 2000 | 11.2% |
| CAGR (Inflation Adj) |
Years Tracked | Correlation |
|---|---|---|
| 8.5% | 15 | Strong |
| 1 Year Avg (3 sold) |
90 Day Avg (1 sold) |
30 Day Avg (0 sold) |
|---|---|---|
| 1677 | 1640 | 0 |
| Last Sale (Jan 2026) |
Avg Days To Sale | Sales Tracked |
|---|---|---|
| 1640 | 61 | 90 |
| All Time Low (2012) |
All Time High (2023) |
Down ATH (%) |
|---|---|---|
| 302 | 3200 | 48.1% |
| Issue Volume (% YTD) |
Issue Volume (YTD) |
Relative Volume (YTD) |
|---|---|---|
| -11.8% | 1 | 0.9 |
Loading sales chart & history...
| Fair Value | Market Ask | CAGR |
|---|---|---|
| 1153 | 1525 | 8.9% |
| CAGR (Inflation Adj) |
Years Tracked | Correlation |
|---|---|---|
| 6.3% | 23 | Moderate |
| 1 Year Avg (13 sold) |
90 Day Avg (4 sold) |
30 Day Avg (1 sold) |
|---|---|---|
| 1133 | 1199 | 1100 |
| Last Sale (Mar 2026) |
Avg Days To Sale | Sales Tracked |
|---|---|---|
| 1100 | 56 | 152 |
| All Time Low (2003) |
All Time High (2021) |
Down ATH (%) |
|---|---|---|
| 138 | 2799 | 58.8% |
| Issue Volume (% YTD) |
Issue Volume (YTD) |
Relative Volume (YTD) |
|---|---|---|
| 119.0% | 4 | 2.2 |
Loading sales chart & history...
| Fair Value | Market Ask | CAGR |
|---|---|---|
| 1073 | 1430 | 7.9% |
| CAGR (Inflation Adj) |
Years Tracked | Correlation |
|---|---|---|
| 5.3% | 23 | Moderate |
| 1 Year Avg (11 sold) |
90 Day Avg (3 sold) |
30 Day Avg (1 sold) |
|---|---|---|
| 1005 | 1198 | 1050 |
| Last Sale (Mar 2026) |
Avg Days To Sale | Sales Tracked |
|---|---|---|
| 1050 | 62 | 135 |
| All Time Low (2012) |
All Time High (2022) |
Down ATH (%) |
|---|---|---|
| 192 | 2098 | 48.9% |
| Issue Volume (% YTD) |
Issue Volume (YTD) |
Relative Volume (YTD) |
|---|---|---|
| 100.0% | 3 | 2.0 |
Loading sales chart & history...
Past data shows a 6.2% annual growth rate over 23 years. Prices tend to move together over time based on the Strong correlation.
| Fair Value | Market Ask | CAGR |
|---|---|---|
| 897 | 1162 | 8.9% |
| CAGR (Inflation Adj) |
Years Tracked | Correlation |
|---|---|---|
| 6.2% | 23 | Strong |
| 1 Year Avg (9 sold) |
90 Day Avg (1 sold) |
30 Day Avg (0 sold) |
|---|---|---|
| 903 | 866 | 0 |
| Last Sale (Jan 2026) |
Avg Days To Sale | Sales Tracked |
|---|---|---|
| 866 | 51 | 159 |
| All Time Low (2003) |
All Time High (2021) |
Down ATH (%) |
|---|---|---|
| 121 | 2100 | 57.3% |
| Issue Volume (% YTD) |
Issue Volume (YTD) |
Relative Volume (YTD) |
|---|---|---|
| -65.1% | 1 | 0.3 |
Loading sales chart & history...
| Fair Value | Market Ask | CAGR |
|---|---|---|
| 820 | 1109 | 11.9% |
| CAGR (Inflation Adj) |
Years Tracked | Correlation |
|---|---|---|
| 9.0% | 13 | Moderate |
| 1 Year Avg (8 sold) |
90 Day Avg (3 sold) |
30 Day Avg (1 sold) |
|---|---|---|
| 827 | 850 | 750 |
| Last Sale (Mar 2026) |
Avg Days To Sale | Sales Tracked |
|---|---|---|
| 750 | 45 | 109 |
| All Time Low (2013) |
All Time High (2021) |
Down ATH (%) |
|---|---|---|
| 145 | 1600 | 48.8% |
| Issue Volume (% YTD) |
Issue Volume (YTD) |
Relative Volume (YTD) |
|---|---|---|
| -2.5% | 3 | 1.0 |
Loading sales chart & history...
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| Fair Value | Market Ask | CAGR |
|---|---|---|
| 662 | 1450 | 7.3% |
| CAGR (Inflation Adj) |
Years Tracked | Correlation |
|---|---|---|
| 4.7% | 21 | Moderate |
| 1 Year Avg (8 sold) |
90 Day Avg (1 sold) |
30 Day Avg (0 sold) |
|---|---|---|
| 652 | 700 | 0 |
| Last Sale (Feb 2026) |
Avg Days To Sale | Sales Tracked |
|---|---|---|
| 700 | 66 | 117 |
| All Time Low (2011) |
All Time High (2022) |
Down ATH (%) |
|---|---|---|
| 119 | 1500 | 55.9% |
| Issue Volume (% YTD) |
Issue Volume (YTD) |
Relative Volume (YTD) |
|---|---|---|
| -46.2% | 1 | 0.5 |
Loading sales chart & history...
| Fair Value | Market Ask | CAGR |
|---|---|---|
| 614 | 1275 | 8.7% |
| CAGR (Inflation Adj) |
Years Tracked | Correlation |
|---|---|---|
| 6.0% | 14 | Moderate |
| 1 Year Avg (9 sold) |
90 Day Avg (3 sold) |
30 Day Avg (1 sold) |
|---|---|---|
| 648 | 550 | 636 |
| Last Sale (Mar 2026) |
Avg Days To Sale | Sales Tracked |
|---|---|---|
| 636 | 85 | 60 |
| All Time Low (2015) |
All Time High (2021) |
Down ATH (%) |
|---|---|---|
| 150 | 1200 | 48.8% |
| Issue Volume (% YTD) |
Issue Volume (YTD) |
Relative Volume (YTD) |
|---|---|---|
| 290.0% | 3 | 3.9 |
Loading sales chart & history...
Past data shows a 8.2% annual growth rate over 22 years. Prices tend to move together over time based on the Strong correlation.
| Fair Value | Market Ask | CAGR |
|---|---|---|
| 595 | 755 | 11.0% |
| CAGR (Inflation Adj) |
Years Tracked | Correlation |
|---|---|---|
| 8.2% | 22 | Strong |
| 1 Year Avg (1 sold) |
90 Day Avg (0 sold) |
30 Day Avg (0 sold) |
|---|---|---|
| 595 | 0 | 0 |
| Last Sale (Sep 2025) |
Avg Days To Sale | Sales Tracked |
|---|---|---|
| 595 | 169 | 48 |
| All Time Low (2003) |
All Time High (2021) |
Down ATH (%) |
|---|---|---|
| 61 | 930 | 36.0% |
| Issue Volume (% YTD) |
Issue Volume (YTD) |
Relative Volume (YTD) |
|---|---|---|
| NA | 0 | 0.0 |
Loading sales chart & history...
Amazing Spider-Man #9 is a perfect example of why comic buying decisions feel harder than they should.
Some grades quietly compound while others stall. Price can look reasonable and still be misleading. And what feels “stable” on a price guide often hides risk that only shows up later.
I struggled with this for years — even on iconic books like this one.
The issue wasn’t access to more data. It was misreading the signals that actually matter when deciding if — and how — to buy.
I documented the framework I now use to make these calls — the same thinking behind Underval’s fair-value logic.
How to stop misreading the comic market before it costs you.
The last recorded sale was a CGC 1.0 for $296 on 03/23/2026 at eBay.
The highest recorded sale was a CGC 9.8 for $132,000 on 09/12/2021 at Heritage Auctions [1].
The lowest recorded sale was a CGC 2.0 for $61 on 12/07/2003 at Heritage Auctions [1].
A CGC 9.8 shows the highest inflation-adjusted CAGR at 15.4% over 2015–2024 (9 years).
Average days to sell vary by grade (~every 45–1662 days by grade), ranging from CGC 3.5 every 45 days to CGC 9.6 every 1662 days.
Search by title and issue to explore market data, sales history, and real-time pricing trends for each grade.
Gain insight into key metrics such as Fair Value, Compound Annual Growth Rate (CAGR), and time-based average sale prices by issue and grade.
Quickly find comics like Amazing Spider-Man #9 priced below fair value across the web through auction sites like eBay, based on recent market data.
Join hundreds of collectors already using 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.
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.
Fair value blends recent realized sales with longer-term trends, outlier filtering, and grade-level liquidity. It’s an informational estimate, not an offer.
Values update as new sales appear. Each grade’s “Updated on” date reflects the most recent sale we’ve matched for that grade.
We track Universal CGC-graded copies across common scale points (e.g., 0.5–10). Availability varies by issue and observed market activity.
No. Underval provides data and estimates for research purposes only. Always do your own diligence before buying or selling.
Estimated worth (Fair Value) is $126000
based on 3 sales over ~9 years
.
Informational estimate, not an offer.
Updated on
based on the last sale.
Also searched as: Amazing Spider-Man #9 CGC 9.8 value, CGC 9.8 price, Amazing Spider-Man #9 worth.
Estimated worth (Fair Value) is $72300
based on 3 sales over ~9 years
.
Informational estimate, not an offer.
Updated on
based on the last sale.
Also searched as: Amazing Spider-Man #9 CGC 9.6 value, CGC 9.6 price, Amazing Spider-Man #9 worth.
Estimated worth (Fair Value) is $18600
based on 18 sales over ~22 years
.
Informational estimate, not an offer.
Updated on
based on the last sale.
Also searched as: Amazing Spider-Man #9 CGC 9.4 value, CGC 9.4 price, Amazing Spider-Man #9 worth.
Estimated worth (Fair Value) is $8417
based on 28 sales over ~25 years
.
Informational estimate, not an offer.
Updated on
based on the last sale.
Also searched as: Amazing Spider-Man #9 CGC 9.2 value, CGC 9.2 price, Amazing Spider-Man #9 worth.
Estimated worth (Fair Value) is $5160
based on 20 sales over ~23 years
.
Informational estimate, not an offer.
Updated on
based on the last sale.
Also searched as: Amazing Spider-Man #9 CGC 9.0 value, CGC 9.0 price, Amazing Spider-Man #9 worth.
Estimated worth (Fair Value) is $3727
based on 55 sales over ~22 years
.
Informational estimate, not an offer.
Updated on
based on the last sale.
Also searched as: Amazing Spider-Man #9 CGC 8.5 value, CGC 8.5 price, Amazing Spider-Man #9 worth.
Estimated worth (Fair Value) is $3675
based on 61 sales over ~22 years
.
Informational estimate, not an offer.
Updated on
based on the last sale.
Also searched as: Amazing Spider-Man #9 CGC 8.0 value, CGC 8.0 price, Amazing Spider-Man #9 worth.
Estimated worth (Fair Value) is $2742
based on 55 sales over ~20 years
.
Informational estimate, not an offer.
Updated on
based on the last sale.
Also searched as: Amazing Spider-Man #9 CGC 7.5 value, CGC 7.5 price, Amazing Spider-Man #9 worth.
Estimated worth (Fair Value) is $2118
based on 101 sales over ~24 years
.
Informational estimate, not an offer.
Updated on
based on the last sale.
Also searched as: Amazing Spider-Man #9 CGC 7.0 value, CGC 7.0 price, Amazing Spider-Man #9 worth.
Estimated worth (Fair Value) is $2163
based on 96 sales over ~22 years
.
Informational estimate, not an offer.
Updated on
based on the last sale.
Also searched as: Amazing Spider-Man #9 CGC 6.5 value, CGC 6.5 price, Amazing Spider-Man #9 worth.
Estimated worth (Fair Value) is $1662
based on 90 sales over ~15 years
.
Informational estimate, not an offer.
Updated on
based on the last sale.
Also searched as: Amazing Spider-Man #9 CGC 6.0 value, CGC 6.0 price, Amazing Spider-Man #9 worth.
Estimated worth (Fair Value) is $1392
based on 112 sales over ~23 years
.
Informational estimate, not an offer.
Updated on
based on the last sale.
Also searched as: Amazing Spider-Man #9 CGC 5.5 value, CGC 5.5 price, Amazing Spider-Man #9 worth.
Estimated worth (Fair Value) is $1153
based on 152 sales over ~23 years
.
Informational estimate, not an offer.
Updated on
based on the last sale.
Also searched as: Amazing Spider-Man #9 CGC 5.0 value, CGC 5.0 price, Amazing Spider-Man #9 worth.
Estimated worth (Fair Value) is $1073
based on 135 sales over ~23 years
.
Informational estimate, not an offer.
Updated on
based on the last sale.
Also searched as: Amazing Spider-Man #9 CGC 4.5 value, CGC 4.5 price, Amazing Spider-Man #9 worth.
Estimated worth (Fair Value) is $897
based on 159 sales over ~23 years
.
Informational estimate, not an offer.
Updated on
based on the last sale.
Also searched as: Amazing Spider-Man #9 CGC 4.0 value, CGC 4.0 price, Amazing Spider-Man #9 worth.
Estimated worth (Fair Value) is $820
based on 109 sales over ~13 years
.
Informational estimate, not an offer.
Updated on
based on the last sale.
Also searched as: Amazing Spider-Man #9 CGC 3.5 value, CGC 3.5 price, Amazing Spider-Man #9 worth.
Estimated worth (Fair Value) is $662
based on 117 sales over ~21 years
.
Informational estimate, not an offer.
Updated on
based on the last sale.
Also searched as: Amazing Spider-Man #9 CGC 3.0 value, CGC 3.0 price, Amazing Spider-Man #9 worth.
Estimated worth (Fair Value) is $614
based on 60 sales over ~14 years
.
Informational estimate, not an offer.
Updated on
based on the last sale.
Also searched as: Amazing Spider-Man #9 CGC 2.5 value, CGC 2.5 price, Amazing Spider-Man #9 worth.
Estimated worth (Fair Value) is $595
based on 48 sales over ~22 years
.
Informational estimate, not an offer.
Updated on
based on the last sale.
Also searched as: Amazing Spider-Man #9 CGC 2.0 value, CGC 2.0 price, Amazing Spider-Man #9 worth.
Estimated worth (Fair Value) is $441
based on 23 sales over ~14 years
.
Informational estimate, not an offer.
Updated on
based on the last sale.
Also searched as: Amazing Spider-Man #9 CGC 1.8 value, CGC 1.8 price, Amazing Spider-Man #9 worth.
Estimated worth (Fair Value) is $353
based on 17 sales over ~13 years
.
Informational estimate, not an offer.
Updated on
based on the last sale.
Also searched as: Amazing Spider-Man #9 CGC 1.5 value, CGC 1.5 price, Amazing Spider-Man #9 worth.
Estimated worth (Fair Value) is $296
based on 19 sales over ~10 years
.
Informational estimate, not an offer.
Updated on
based on the last sale.
Also searched as: Amazing Spider-Man #9 CGC 1.0 value, CGC 1.0 price, Amazing Spider-Man #9 worth.
Estimated worth (Fair Value) is $263
based on 25 sales over ~11 years
.
Informational estimate, not an offer.
Updated on
based on the last sale.
Also searched as: Amazing Spider-Man #9 CGC 0.5 value, CGC 0.5 price, Amazing Spider-Man #9 worth.
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