No, you are not required to maintain any minimum balance to keep your Upstox account active.
However, if you don’t place any trade in any of the segments for 12 consecutive months then your account will be considered as inactive or dormant and you need to reactivate the dormant upstox account. To know more about this click here.
In case your Upstox account has been dormant for more than 12 months click here to know the process.
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how do i reactivate a dormant upstox account if it has been dormant for less than 12 months
how do i reactivate a dormant upstox account if it has been dormant for more than 12 months