Question

If you beat a raid in one turn, do Quick Balls get boosted?

Comments

Well two things.  It is impossible to beat a raid in one turn and you should use a Dusk Ball or if you caught the Pokémon, use a Repeat Ball.  However you shouldn’t use those and still a minor difference won’t do much so use what I said.  If it is a bug or water, use a net ball.  Maybe if it was a Snorlax, a heavy ball will help.  I don’t remember if weight counts in Max Raids but go ahead and use those.  Hope this helped.

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@HeroPlayz24 If you had a one or two star raid, and your Pokémon were ridiculously over leveled, you could do it. All Dynamax Pokémon have a weight of ???, so I don’t know about heavy balls.

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The heavier a Pokémon is, chances are bigger with heavy balls.  That is what I meant and I don’t ever go to low star raids, only high ones if I can find one but I never knew. Thank you.

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Dynamax Pokémon technically don't have weight. Heavy balls don't get an extra boost

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I'm pretty sure, yes

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Do you have a source?

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KRLW890

I don't have a source but from my experience from raids, the quick ball works around 99% of the time on the first turn

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If it's your own raid, any ball works 100% of the time.

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Pokeballs always work on raids unless the raid is a game pokemon or part of the current event, which you should use dusk balls on

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I would say it would because it is still the first turn.  I would answer, but I don't have a source.

Answer 1

According to DragonFly Cave Catch Calculator, No.

On the site, it says,

Current turn (in a raid, this is the turn after you win - if you win turn 1, you throw the ball turn 2)

I set it to a level 20 Gigantimax Bulbasaur using a Quick Ball.
When adjusting the value, from turn 1, it says

You have a 91.058% chance of capturing it per ball. Thus, you have at least a 50% chance of catching it within 1 ball and at least a 95% chance of catching it within 2 balls.

And when I set it to turn 2....

You have a 27.233% chance of capturing it per ball. Thus, you have at least a 50% chance of catching it within 3 balls and at least a 95% chance of catching it within 10 balls.

This implies it would work if it were possible to throw a Quick ball before you attack.

Source