Rock Hydra
Revised Edition · #173 · nonfoil
$3.92
Prices last updated 2026-10-30.
| Condition | Market price | 90-day range |
|---|---|---|
| Damaged | $0.65 | $0.63 – $0.65 |
| Heavily Played | $0.83 | $0.82 – $0.84 |
| Lightly Played | $1.92 | $1.92 – $1.93 |
| Moderately Played | $1.05 | $1.05 – $1.05 |
| Near Mint | $3.92 | $3.92 – $3.92 |
| Grader | Grade | Price |
|---|---|---|
| BGS | 9 | $33.00 |
| CGC | 10 | $150.00 |
| CGC | 6 | $6.50 |
| CGC | 8.5 | $12.99 |
| CGC | 9 | $69.99 |
| PSA | 10 | $175.00 |
| PSA | 6 | $10.50 |
| PSA | 7 | $8.50 |
| PSA | 8 | $28.00 |
| PSA | 9 | $44.95 |
Condition spread
Damaged is the steepest discount off Near Mint, at 17% (-$3.27).
| Condition | Price | % of Near Mint | Difference |
|---|---|---|---|
| Damaged | $0.65 | 17% | -$3.27 |
| Heavily Played | $0.83 | 21% | -$3.09 |
| Lightly Played | $1.92 | 49% | -$2.00 |
| Moderately Played | $1.05 | 27% | -$2.87 |
Graded vs. raw
A PSA 10 sells for 44.6x raw Near Mint (+$171.08).
| Grader | Grade | Price | Multiple of raw | Difference |
|---|---|---|---|---|
| BGS | 9 | $33.00 | 8.4x | +$29.08 |
| CGC | 10 | $150.00 | 38.3x | +$146.08 |
| CGC | 6 | $6.50 | 1.7x | +$2.58 |
| CGC | 8.5 | $12.99 | 3.3x | +$9.07 |
| CGC | 9 | $69.99 | 17.9x | +$66.07 |
| PSA | 10 | $175.00 | 44.6x | +$171.08 |
| PSA | 6 | $10.50 | 2.7x | +$6.58 |
| PSA | 7 | $8.50 | 2.2x | +$4.58 |
| PSA | 8 | $28.00 | 7.1x | +$24.08 |
| PSA | 9 | $44.95 | 11.5x | +$41.03 |
Price history
| Date | Price |
|---|---|
| 2026-09-18 | $3.82 |
| 2026-09-21 | $3.82 |
| 2026-09-22 | $3.83 |
| 2026-09-27 | $3.94 |
| 2026-09-28 | $3.94 |
| 2026-09-29 | $3.94 |
| 2026-09-30 | $3.94 |
| 2026-10-01 | $3.94 |
| 2026-10-02 | $3.94 |
| 2026-10-03 | $3.94 |
| 2026-10-04 | $3.94 |
| 2026-10-05 | $3.94 |
| 2026-10-06 | $3.94 |
| 2026-10-07 | $3.94 |
| 2026-10-08 | $3.89 |
| 2026-10-09 | $3.89 |
| 2026-10-10 | $3.89 |
| 2026-10-11 | $3.89 |
| 2026-10-12 | $3.89 |
| 2026-10-13 | $3.89 |
| 2026-10-14 | $3.89 |
| 2026-10-15 | $3.89 |
| 2026-10-16 | $3.89 |
| 2026-10-18 | $3.89 |
| 2026-10-20 | $3.87 |
| 2026-10-21 | $3.87 |
| 2026-10-22 | $3.88 |
| 2026-10-23 | $3.92 |
| 2026-10-24 | $3.92 |
| 2026-10-25 | $3.92 |
| 2026-10-26 | $3.92 |
| 2026-10-27 | $3.92 |
| 2026-10-28 | $3.92 |
| 2026-10-29 | $3.92 |
Prices from TCG Price Lookup and JustTCG. Prices are aggregated estimates and are not guaranteed to be exact or current.
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