Best items for % Speed

Every shop item that gives % Speed, ranked by points per 100 materials of base price. In Brotato 1.1.15.4 the top 3 are Terrified Onion (26.7), Beanie (20), Fin (15.4); 11 ranked in all.

#	Name	% Speed per 100 materials	% Speed	Price	Tier	Also
1	Terrified Onion	26.7	4	15	Tier I	-5 Luck
2	Beanie	20	4	20	Tier I	-6 Range
3	Fin	15.4	10	65	Tier III	+3 % Life Steal, -8 Luck
4	Jet Pack	15	15	100	Tier IV	+10 % Dodge, -5 Max HP, -1 Armor
5	Compass	12.5	5	40	Tier II	+3 Engineering, -3 % Crit Chance
6	Wings	11.8	10	85	Tier III	+30 Range, -2 Elemental Damage
7	Clockwork Wasp	11.1	5	45	Tier II	—
8	Exoskeleton	5.6	5	90	Tier IV	+3 Armor, +5 % Crit Chance, +5 Engineering, -2 HP Regeneration, -2 % Life Steal
9	Medal	5.5	3	55	Tier II	+3 Max HP, +3 % Damage, +1 Armor, -4 % Crit Chance
10	Scarf	5	4	80	Tier III	+4 HP Regeneration, +4 Melee Damage
11	Potato	3.2	3	95	Tier IV	+3 Max HP, +2 HP Regeneration, +1 % Life Steal, +5 % Damage, +5 % Attack Speed, +3 % Dodge, +1 Armor, +5 Luck

Formula and assumptions

Value = % Speed the item gives ÷ its base price × 100.

Only plain stat changes count (not conditional or per-wave effects).
Base price; the shop price grows with the wave for every item alike.

Other rankings