Delayed payment interest at Zerodha (18% per annum)

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Overview

Zerodha charges interest at 18 percent per annum on any debit balance (negative balance) in a client’s trading ledger. A debit balance arises when the client owes money to Zerodha – typically when a trade creates an obligation that exceeds the funds available in the account, when charges are debited and the ledger balance is insufficient, or when MTF interest or other fees accumulate without being settled.

The 18 percent per annum rate translates to 0.0493 percent per day. Interest is calculated daily on the outstanding debit balance and is debited to the client’s ledger periodically. The rate applies to all types of debit balances and is non-negotiable (it is the standard rate disclosed in the account agreement and the schedule of charges).

When debit balances arise

Trade settlement obligations

When a client buys shares on delivery (CNC) and does not have sufficient funds to cover the settlement debit (including STT, stamp duty, exchange charges, and DP charges in addition to the principal cost), the ledger goes into debit. The settlement debit is expected to be paid by T+1 (the next business day after the trade). If funds are not available by settlement, Zerodha may sell the shares received to recover the amount, but if the market moves adversely, a debit balance may remain.

F&O margin shortfall

When F&O margin requirements increase (due to exchange-imposed margin revisions, high volatility events, or additional SEBI requirements for near-expiry positions), a client’s available margin may fall below the required level. This margin shortfall can create a debit in the ledger if the client does not add funds promptly.

Charges on insufficient balance

When Zerodha debits DP charges, the annual maintenance charge, pledge charges, or other fees from the trading ledger and the ledger balance is insufficient, the ledger goes into debit by the amount of the fee. Even a small shortfall (for example, the ledger has Rs 10 but the AMC debit is Rs 354) creates a debit balance on which interest accrues.

MTF interest accrual

For clients using Margin Trading Facility, interest on the funded amount is debited periodically. If the trading ledger does not have sufficient cash to absorb the MTF interest debit, the ledger may go into debit.

Calculation

Daily interest rate: 18% ÷ 365 = 0.04932% per day

Formula: Daily interest = Outstanding debit balance x 0.04932%

Example: Client has a debit balance of Rs 10,000 for 15 days.

Total interest = Rs 10,000 x 0.04932% x 15 = Rs 73.97

Interest accrues every calendar day, including weekends and trading holidays, on the outstanding debit balance.

GST on interest

Interest charged on debit balances is subject to GST at 18 percent. Lending-related interest would normally be exempt from GST, but the characterisation of broker-charged interest on trading accounts as a financial service (rather than lending) means GST may apply. Clients should verify with Zerodha’s support team and tax advisors for the specific GST treatment of delayed payment interest.

How to avoid debit balances

  1. Maintain a buffer in the trading ledger: Keep a cash cushion above zero to absorb unexpected charges without going into debit.
  2. Fund MTF interest in advance: If using MTF, maintain sufficient cash to cover the daily interest accrual.
  3. Monitor margin levels: For F&O traders, track margin utilisation and top up before a margin shortfall creates a debit.
  4. Use UPI for instant funding: The zero-cost and instant nature of UPI funding allows same-day resolution of any incipient debit balance.
  5. Set up auto-payment alerts: Zerodha sends notifications when the ledger balance falls low; responding promptly prevents negative balance situations.

Comparison with other interest charges

Interest typeRate at ZerodhaBasis
Delayed payment / debit balance18% p.a. (0.049% per day)On outstanding debit ledger balance
MTF funding interest~14.6% p.a. (0.04% per day)On broker-funded portion of MTF purchase
Intraday leverageNot charged (MIS, no overnight funding)N/A

Delayed payment interest at 18 percent per annum is higher than the MTF interest rate of approximately 14.6 percent per annum. This reflects the penal nature of the delayed payment charge – it is intended to incentivise prompt settlement rather than to serve as a credit facility.

Regulatory context

SEBI’s regulations on broker-client obligations require that client funds and broker funds remain segregated. A debit balance means the broker has in effect extended credit to the client. While SEBI does not set a maximum interest rate for such credits, it requires that the interest rate be disclosed clearly in the account agreement and charges schedule. Zerodha’s 18 percent rate is within market norms among Indian discount brokers.

See also

References

  1. Zerodha Charges page, support.zerodha.com/category/charges (accessed May 2026)
  2. SEBI Master Circular for Stock Brokers, SEBI/HO/MIRSD/MIRSD-PoD-1/P/CIR/2023/72
  3. SEBI Circular on Client Fund Segregation and Margin Reporting
  4. CGST Act 2017, Section 9 – GST on financial services

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