Grumpig in Pokémon GO

Type	Psychic
Pokédex number	#326
Base Attack / Defense / Stamina	171 / 188 / 190
Max CP, level 40 / 50 / 51	2,369 / 2,679 / 2,711
Max HP, level 50	172
Buddy distance	1 km per Candy
Second Charged Attack	10,000 Stardust and 25 Candy
Height / weight	0.89 m / 71.5 kg

Grumpig evolution

Pokémon GO has no evolution levels: a Pokémon evolves when you spend Candy on it (sometimes with an item or a task), at any level.

Grumpig evolves from Spoink for 50 Spoink Candy.

Grumpig is the last stage of its family: it does not evolve further.

Family: Spoink · Grumpig

Grumpig CP by level

Combat Power with perfect stats (15/15/15) and with 10/10/10. Players find that raid, egg and research catches never have a stat below 10; that floor is their measurement, not a number in the game data.

Level	CP 15/15/15	CP 10/10/10	HP 15/15/15	Note
15	1,015	964	106	research rewards are at most level 15 (game master)
20	1,354	1,285	122	eggs hatch at most level 20 (game master); raid catches are level 20 (players’ measurement)
25	1,692	1,606	136	raid catches in weather that boosts the boss’s type are level 25 (players’ measurement)
30	2,031	1,928	149	wild Pokémon are at most level 30 (game master)
35	2,200	2,089	156
40	2,369	2,249	162
45	2,522	2,394	167
50	2,679	2,543	172
51	2,711	2,573	173	best buddy bonus on a level 50 Pokémon

Grumpig best moveset

Ranked by damage per second over one cycle of fast attacks and one charged attack. Assumptions: Grumpig at level 40 with 15/15/15, a target with 180 Defense taking neutral damage, no weather boost, and the energy Grumpig gains from being hit left out.

Fast attack	Charged attack	Damage per second
Extrasensory	Psychic	9.6
Psywave	Psychic	9.0
Extrasensory	Shadow Ball	8.9
Extrasensory	Dynamic Punch	8.7
Charge Beam	Psychic	8.4

Fast attacks

Move	Type	Power	Energy	Time	Power / s
Charge Beam	Electric	7	14	1 s	7.0
Extrasensory	Psychic	11	11	1 s	11.0	same type, ×1.2
Psywave	Psychic	4	7	0.5 s	8.0	same type, ×1.2

Charged attacks

Move	Type	Power	Energy cost	Time	Power / s
Dynamic Punch	Fighting	85	50	2.5 s	34.0
Mirror Coat	Psychic	60	50	2.5 s	24.0	same type, ×1.2
Psychic	Psychic	95	50	3 s	31.7	same type, ×1.2
Shadow Ball	Ghost	100	50	3 s	33.3

Grumpig weaknesses and resistances

Damage multipliers for each attack type against Psychic. Pokémon GO uses ×1.6 for super effective and ×0.625 for not very effective, multiplied for two types.

Attack type	Damage
Bug	×1.6
Dark	×1.6
Ghost	×1.6
Fighting	×0.625
Psychic	×0.625

Grumpig CP calculator

Level Attack IV Defense IV HP IV

CP 2,369 · HP 162

← #325 Spoink  ·  #327 Spinda →  ·  All Pokémon in Pokémon GO

Sources: stats, moves, evolution costs and the CP multiplier for each level are from the Pokémon GO game master as published by PokeMiners (commit 8e227be, data of 28 August 2026). Which Pokémon are in the game: pogoapi.net (list of 31 January 2026). CP = ⌊(Attack+IV) × √(Defense+IV) × √(Stamina+IV) × CPM² / 10⌋, checked against pogoapi.net’s max CP table for 888 Pokémon. Raid catch levels and the 10/10/10 floor are players’ measurements; they are not in the game data. Pokémon and Pokémon GO are trademarks of their owners; this page is not affiliated with or endorsed by Niantic, Scopely, Nintendo, Creatures, GAME FREAK or The Pokémon Company.