![Ambipom [Reverse Holo] #91 Pokémon card from Steam Siege](https://storage.googleapis.com/images.pricecharting.com/a1a91edda51919e1b96aba863427b3d955f04485d24c6bf1f0468a2430e989c9/240.jpg)
Ambipom [Reverse Holo] 91/114
Steam Siege
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Ambipom [Reverse Holo] #91 from Steam Siege currently trades at $0.44 raw, with PSA 10 copies reaching $33.37 — a 75.8x grade premium. Price is down 13.7% in the last 30 days, though the 90-day trend tells a different story at +10.0% — worth watching for a clearer direction.
Current Prices (USD)
Ungraded
PSA 7
PSA 8
PSA 9
PSA 10
ACE 10
BGS 10 Black
CGC 10 Pristine
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Raw Price Trend
7d
-13.7%
30d
-13.7%
90d
+10.0%
180d
+57.1%
1y
-70.3%
2y
-69.2%
5y
-77.4%
Quick price facts
Ambipom [Reverse Holo] 91/114 from Steam Siege has a current raw market value of $0.44.
- Current raw value
- $0.44
- PSA 9 value
- $5.50
- PSA 10 value
- $33.37
- Raw value 7d
- -13.7%
- Raw value 30d
- -13.7%
Collector Intel
75.8x
Raw → PSA 10
High-risk grade
12.5x
Raw → PSA 9
Grade multiplier
-13.7%
30d Price Move
Falling
Moderate
Price Stability
13.7% swing this week
Calculated from price history, PSA population data, and market trends. Not financial advice.
Grading Calculator
Based on PSA Standard tier (~$25 USD). Assumes a perfect PSA 10 result — actual outcome depends on card condition.
⚠️ High-variance grade. PSA 10 is 76x the raw price. The expected value accounts for the realistic probability.
$0
Buy Raw
~$25
Grading Fee
PSA Standard
$33
PSA 10 Value
+$8
Best Case (PSA 10)
if you pull a 10
Grade Multiples vs Raw
PSA 9$612.5x raw
PSA 10$3375.8x raw