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What is Average Quarterly Balance (AQB)? Meaning And Calculation
Average Quarterly Balance (AQB) is an important banking term, particularly for Current Account holders. Learn what AQB means, how it is calculated, why it matters and how to manage your account balance effectively.
Synopsis:
- AQB is the average balance maintained in your account over a three‑month quarter.
- It helps avoid charges and ensures smooth day‑to‑day account usage.
- AQB is calculated using daily closing balances across the quarter.
- Track your balance and plan withdrawals to maintain the required AQB.
- AQB differs from AMB, which is calculated monthly.
Overview
Average Quarterly Balance, commonly known as AQB, refers to the average of the daily closing balances maintained in a bank account during a quarter.
A quarter generally covers three months. Unlike a fixed minimum balance that may need to be maintained at a particular point in time, AQB considers the account balance across the entire applicable period.
Banks may prescribe different AQB requirements depending on the account variant, customer segment and other applicable terms and conditions. Therefore, it is important to check the AQB applicable to your specific account.
How is AQB calculated?
The Average Quarterly Balance is generally calculated using the daily closing balance for each day of the applicable quarter.
AQB = Total of daily closing balances ÷ Number of days in the quarter
AQB calculation example: Suppose a Current Account has an AQB requirement of ₹25,000. During a 90-day quarter, assume the account maintains the following average balances:
- First 30 days: ₹20,000
- Next 30 days: ₹30,000
- Last 30 days: ₹25,000
The calculation would be:
AQB = [(₹20,000 × 30) + (₹30,000 × 30) + (₹25,000 × 30)] ÷ 90
AQB = ₹22,50,000 ÷ 90 = ₹25,000
Therefore, the Average Quarterly Balance is ₹25,000, meeting the assumed AQB requirement.
This example highlights an important point: your account balance does not necessarily have to remain at the required AQB every day. The average daily closing balance over the applicable quarter is what matters.
Why is maintaining AQB important?
Maintaining the required Average Quarterly Balance (AQB) helps you enjoy a smoother and more rewarding Current Account experience. Adequate balance ensures:
Avoidance of non‑maintenance charges based on the account’s schedule of charges.
Seamless day‑to‑day business banking, including payments, collections and regular transactions.
Continued access to balance‑linked benefits such as cash‑deposit/withdrawal limits, cheque books and other transactional privileges.
Most Current Accounts are designed to offer more value when you maintain higher balances. Keeping the required AQB helps you maximise these benefits while avoiding unnecessary charges.
How to maintain the required AQB?
Maintaining AQB becomes easier when you track your balance throughout the quarter. Here are some practical steps:
Track your daily closing balance: Regular monitoring can help you understand whether your account is on track to meet the required average.
Plan withdrawals: Large withdrawals can bring down the average balance. Consider their timing when managing your account funds.
Maintain a buffer: Keeping some additional funds above the required AQB can provide flexibility for unexpected payments.
Review your account terms: AQB requirements and charges vary by account. Check the latest applicable schedule of charges rather than relying on a general AQB figure.
AQB vs AMB: What is the difference?
The main difference between AQB and AMB is the period used to calculate the average.
| Average Quarterly Balance (AQB) | Average Monthly Balance (AMB) |
|---|---|
| Calculated over a quarter | Calculated over a month |
| Generally uses daily closing balances | Generally uses daily closing balances |
| Applicable requirement depends on the account | Applicable requirement depends on the account |
| Commonly seen across Current Account variants | Commonly used for certain Savings Account variants |
Conclusion
Understanding Average Quarterly Balance can help you manage your bank account and plan your finances more effectively. AQB is generally calculated by taking the average of daily closing balances over an applicable three-month period.
Since AQB requirements vary across account types, checking the latest account terms and applicable charges is important. Regularly monitoring your balance, planning significant withdrawals and maintaining a suitable buffer can help you stay on track.
Disclaimer: Terms and conditions apply. The information provided in this article is generic in nature and for informational purposes only.
Frequently Asked Questions
AQB stands for Average Quarterly Balance. It is generally the average of daily closing balances maintained in an account over a quarter.
Add the daily closing balances for the applicable quarter and divide the total by the number of days in that quarter.
No. AQB is an average. Your daily balance may fluctuate, provided the resulting average meets the applicable AQB requirement.
Depending on the account terms, applicable non-maintenance charges may be levied if the required AQB is not maintained.
No. AQB is generally calculated over a quarter, while AMB is calculated over a month. The applicable requirements depend on the account type.
Yes. Banks can have different balance requirements for different account variants. Always refer to the latest terms applicable to your account.
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