Does binding passive damage stack with G-Max passive damage?

Question

Does the damage-over-time (DoT) effect from a binding move stack with the damage-over-time effect from G-Max move?

For example, in a Doubles battle, would the passive damage from Magma Storm stack with the passive from G-Max Volcalith during the turns after these moves were used?

Comments

They definitely should stack, since they are different sources.  The same holds true for Whirlpool, Wrap, Sand Tomb, etc.  They also stack with other effects like Ghost type Curse, which is the most similar effect to Volcalith.

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Binding moves always stack but my only source is experience

Answer 1

Yes they stack.
source