Flip a coin. If heads, this attack does 10 damage plus 10 more damage. If tails, this attack does 10 damage.
10Negative Ion
If the Defending Pokémon attacks Chinchou during your opponent's next turn, any damage done to Chinchou is reduced by 10 (before applying Weakness and Resistance). (Benching or evolving either Pokémon ends this effect.)
“On the dark ocean floor, its only means of communication is its constantly flashing lights.”
How much is Chinchou #42/64 worth?
As of November 5, 2026, Chinchou #42/64 from Neo Revelation sells for around $0.78 in raw, ungraded condition. Across the 2 printings we track, copies run anywhere from $0.25 to $25.48 depending on the version you're holding.
Grading changes the math on this one: a PSA 10 is valued around $86.11, roughly 110.4x the raw price, while a PSA 9 sits near $19.99. 338 copies have been graded to date, and 11% of them came back a 10 — worth knowing before you pay grading fees.
We update this valuation every night from live market data and verify it against real completed sales — see the chart above for how Chinchou has moved over time.