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Steam Siege PSA Population Report
Released August 3, 2016
Explore PSA, CGC and BGS population reports for Steam Siege Pokémon cards and variants.
Total graded across PSA, CGC and BGS38,934
PSA 30,275CGC 8,011BGS 648
PSA 10 population9,039
PSA gem rate29.9%
30 Day Set Growth+728
PSA, CGC, and BGS data as of Oct 17, 2026.
Population highlights from this set
Lowest PSA 10 population
Minimum 100 PSA graded copies
Shiftry #11Rare · Holo10 PSA 10144 PSA graded
Azumarill #77Uncommon10 PSA 10121 PSA graded
Bisharp #64Rare · Holo15 PSA 10275 PSA graded- Bisharp #64Rare Holo19 PSA 10135 PSA graded
Ampharos #40Rare Holo23 PSA 10185 PSA graded
Hardest to grade PSA 10
Minimum 100 PSA graded copies
- Bisharp #64Rare · Holo5.5%15 PSA 10 / 275
- Shiftry #11Rare · Holo6.9%10 PSA 10 / 144
- Azumarill #77Uncommon8.3%10 PSA 10 / 121
- Ampharos #40Rare Holo12.4%23 PSA 10 / 185
- Bisharp #64Rare Holo14.1%19 PSA 10 / 135
Most graded · last 30 days
Actual population increase across all graders
Gardevoir-EX #116Rare Secret+102PSA 10 +10Total graded 4,511
M Gardevoir-EX #112Rare Ultra+87PSA 10 +18Total graded 4,792
M Gardevoir-EX #79Rare Holo EX+55PSA 10 +9Total graded 3,136
Gardevoir-EX #111Rare Ultra+46PSA 10 +5Total graded 2,302
Steelix-EX #108Rare Ultra+45PSA 10 +3Total graded 2,184