Credit Card Arbitrage in India 2026 – Complete Guide + Calculator
Learn how to earn free interest by parking your credit card bill amount in liquid funds during the 45-day grace period. This guide explains the strategy, risks, and how to use our calculator.
Use Credit Card Arbitrage CalculatorWhat Is Credit Card Arbitrage?
Credit card arbitrage is a personal finance strategy where you use your card's interest-free grace period (typically 20–55 days in India) to make purchases, then park the equivalent cash in a high-yield liquid mutual fund. The bank finances your purchase at zero cost while your money earns returns. On the due date, you redeem the fund and pay the card in full.
The strategy works because Indian credit cards offer a grace period between the purchase date and the payment due date. During this window, your cash can sit in a liquid fund earning ~6.5–7.1% p.a. (March 2026 rates) instead of sitting idle in your bank account.
How Credit Card Arbitrage Works
- Make the purchase on Day 1 of your billing cycle — This maximises your grace period. A purchase on the first day gives you ~45–55 days until the due date.
- Park the equivalent cash in a liquid fund — Instead of keeping money in your bank account, invest it in a SEBI-registered liquid fund. These offer T+1 redemption (money back within one working day).
- Let interest accrue — The fund earns daily returns. At 6.8% on ₹1,00,000 for 45 days, you earn ~₹839 in free profit.
- Redeem and pay in full before the due date — Initiate redemption 2 working days before the due date. Pay the full outstanding—never just the minimum due.
Want to see your exact potential profit? Use our credit card arbitrage calculator to estimate returns based on your bill amount, grace period, and current liquid fund rates.
Open CalculatorWhich Liquid Funds Are Best for Arbitrage?
As of March 2026, top liquid funds from SEBI-registered fund houses include ICICI Prudential Liquid (~7.0%), Axis Liquid (~6.9%), HDFC Liquid (~6.8%), SBI Liquid (~6.7%), and Mirae Asset Cash Management (~7.1%). All offer T+1 redemption, no exit load after 7 days, and very low credit risk.
The default 6.8% rate in our calculator reflects the 30-day trailing yield of top-tier funds. Returns are indicative and may change with RBI repo rate decisions.
Risks and Warnings
The biggest risk is missing the payment due date. Indian banks charge 36–48% p.a. interest on the full outstanding balance, retroactively from the purchase date. One missed payment can wipe out months of arbitrage profit.
This strategy is for educational purposes only. We do not recommend it for users who do not have a 100% on-time payment history. Always set up an auto-debit mandate for the full outstanding amount.
Is Credit Card Arbitrage Legal in India?
Yes. Using your card's standard interest-free grace period and parking equivalent cash in a SEBI-registered liquid mutual fund is entirely legal. It does not violate any card terms of service or RBI regulations. It is a legitimate personal finance optimisation strategy—as long as you pay the full outstanding by the due date.
Ready to Calculate Your Arbitrage Profit?
Use our free credit card arbitrage calculator to estimate how much you can earn from liquid fund arbitrage during your 45-day grace period. Instant results, no sign-up.
Open Credit Card Arbitrage Calculator