As used in determining your VIP tier (see VIP Center article here), please note that the monthly trading volume is calculated under a rolling basis per trading pair starting from 8:00 AM (UTC 0) 30 days before up to 8:00 AM (UTC 0) yesterday. This means that the adjusted fee would automatically reflect the day after your monthly trading volume has reached the next threshold.
To provide a sample scenario, if you place an order by, September 25, 2023 5:00 PM (UTC 0), the 30-day rolling period calculation would be from August 25, 2023 - September 24, 2023 only. If the trade was a huge amount that would make your spot trading volume greater than USD 10M, your trading fee would adjust on September 26, 2023 8:00 AM (UTC 0) reflecting your movement to a higher tier.
You may view your current past 30 days Trading Volume through the VIP Center at the lower- left section of the Coins website.
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