Grumpig #20
Crystal Guardians · Pokémon TCG
Market Value (Raw)
£8.65
Price by Grade
Ungraded
£8.65
PSA 10
—
PSA 9
—
PSA 8
—
BGS 10
—
BGS 9.5
—
CGC 10
—
CGC 9.5
—
SGC 10
—
| Card Number | #20 |
| Rarity | Rare |
| Type | Psychic |
| HP | 80 |
| Set | Crystal Guardians |
Pokédex — grumpig
Grumpig #20 from the Crystal Guardians set. Current raw market value: $10.95.Click the eBay button above to find this exact card on eBay UK.
Price History
Live▲ 116.4%19 data pointsPrice history pooled from marketplace sources (eBay, TCGPlayer) · Updated daily · Hover for details
Price by Grade
Estimated from price models — not live graded salesEstimated values modelled from raw market prices · Verify before trading · Hover for details
Investment Analysis
Current Value
$10.95
Market price (raw)
Price Range
$8.79 – $14.55
52-week estimate
Volatility
11%
Relatively stable
Market Trend
→ Stable
Short-term outlook
Analysis is algorithmically generated and should not be considered financial advice.
About Grumpig — Crystal Guardians
Grumpig is a Stage 1 card from the Crystal Guardians set (card #20). It carries a rarity of Rare, placing it in the standard tier of desirability within this expansion. As a Psychic-type Pokémon, Grumpig brings distinct strategic advantages to TCG gameplay.
Psychic-type Pokémon specialise in damage counters and opponent disruption. Popular in control strategies.
Grumpig is a Stage 1 Pokémon, evolved from a Basic form. Stage 1 Pokémon offer a significant power spike over their Basic counterparts and are crucial mid-game attackers.
With 80 HP, Grumpig has solid mid-tier health, offering a balance between offence and survivability.
Rarity & Collectibility
Rare cards feature holographic treatments and are among the more sought-after pulls in any pack. With lower pull rates than commons and uncommons, rares from popular sets can appreciate nicely over time.
Explore other Rare cards in our database.
Grumpig Price Analysis
At $10.95, Grumpig is a meaningful card in the Crystal Guardians set. This price point makes it a worthwhile grading candidate — a PSA 10 could potentially double or triple the raw value. Use a grading estimator to assess whether submission is worth the cost.
From an investment perspective, Grumpig benefits from being a Rare card in the Crystal Guardians expansion. Cards from popular sets with iconic Pokémon tend to appreciate 15-30% annually once the set goes out of print. Monitor price trends and consider grading valuable copies for maximum resale value.
How to Buy Grumpig
The best way to find Grumpig at a fair price is to check live market data. Our price tracking aggregates completed eBay sales so you see what collectors actually pay — not inflated listing prices. Use the eBay button above to search for this exact card, or browse all Crystal Guardians cards to compare prices across the set.
Always verify card condition before purchasing. Check the seller\'s feedback rating, review photos carefully, and compare prices against our market data to ensure you\'re getting a fair deal. Learn more in our guide to spotting fake cards and our price guide overview.
Investment Scorecard
Moderate
Grumpig · Crystal Guardians
Not financial advice. This score is algorithmically generated from rarity, market data, and popularity signals. Always do your own research before purchasing.
Recent Price Data
Last 8 recorded prices from eBay
Avg Price
$7.41
▼ 32.3% vs current
| Date | Source | Price | vs Current |
|---|---|---|---|
| Aug 31, 2026 | ebay | $10.95 | ▲0.0% |
| Aug 24, 2026 | ebay | $16.70 | ▲52.5% |
| Aug 10, 2026 | ebay | $6.33 | ▼42.2% |
| Aug 5, 2026 | ebay | $5.06 | ▼53.8% |
| Aug 4, 2026 | ebay | $5.06 | ▼53.8% |
| Aug 3, 2026 | ebay | $5.06 | ▼53.8% |
| Aug 2, 2026 | ebay | $5.06 | ▼53.8% |
| Aug 1, 2026 | ebay | $5.06 | ▼53.8% |
Price data from eBay completed listings · Updated daily via automated pipeline
