
The Role of Arbitrage Funds: Low-Risk, Tax-Smart Parking for Your Idle Money
Jun 17
3 min read
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Want better-than-FD returns without equity volatility? Arbitrage funds might be your answer.
In the world of mutual funds, risk and return often go hand-in-hand.
But arbitrage funds offer a unique proposition—they aim to give you returns similar to short-term debt, but are taxed like equity.

This makes them especially attractive for short-term investors, those parking surplus funds for a few months, or even conservative investors seeking efficient alternatives to liquid or ultra-short-term funds.
Let’s understand what arbitrage funds are, how they work, and when you should consider using them.
1. What Are Arbitrage Funds?
Arbitrage funds are hybrid mutual funds that:
Simultaneously buy stocks in the cash market and sell in the futures market of the same stock
Earn the price difference (spread) between the two markets
Typically maintain 65%+ in hedged equity positions to qualify for equity taxation
The rest is invested in debt or money market instruments for additional income
Since each equity position is offset by a corresponding futures position, the net equity market risk is near zero.
2. How Do Arbitrage Funds Generate Returns?
The price of a stock in the futures market is often slightly higher than in the spot (cash) market. This difference is called the arbitrage spread.
Fund managers exploit this spread:
Buy the stock in the cash market
Simultaneously sell it in the futures market
Pocket the spread at settlement
Returns depend on: ✅ The size of the arbitrage spread
✅ Interest rate trends
✅ Market liquidity and volatility
Historically, arbitrage funds have generated returns in the 5–7% range, with minimal volatility.
3. Key Benefits of Arbitrage Funds
✅ Low Volatility
They’re among the least volatile equity funds, often behaving like ultra-short debt funds.
✅ Tax Efficiency
Despite low risk, they are taxed as equity funds:
STCG (<1 year): 20%
LTCG (>1 year): 12.5% (after ₹1 lakh exemption)
✅ Good for Short-Term Parking
Ideal for 3–12 month horizons when you want better returns than liquid funds or FDs—without taking equity risk.
✅ Can Be Used for SWP
Especially effective for retirees seeking low-risk, tax-friendly monthly income.
4. Arbitrage Funds vs Other Low-Risk Options
Feature | Arbitrage Fund | Liquid Fund | Ultra-Short Fund | Fixed Deposit |
Risk | Very Low (hedged) | Very Low | Low | Very Low |
Return Range | 5–7% | 4–6% | 5–6.5% | 5–7% (taxable) |
Taxation | Equity-style | Debt (slab rate) | Debt (slab rate) | Slab rate |
Liquidity | T+1 or T+2 | T+1 | T+1 or T+2 | Penalty on early exit |
Arbitrage funds can outperform liquid funds post-tax for investors in higher tax brackets.
5. When Should You Use Arbitrage Funds?
✅ You need a parking space for idle funds (bonus, sale proceeds, etc.) for 3–12 months
✅ You want to avoid equity volatility, but enjoy equity tax benefits
✅ You’re a retiree looking for SWP-friendly, low-volatility funds
✅ You’re investing in a volatile market and want safety until better clarity emerges
✅ You’re building a step-up STP strategy (move from arbitrage to equity via Systematic Transfer Plans)
6. Key Considerations Before Investing
⚠️ Returns are not fixed or guaranteed
They depend on arbitrage spreads, which may narrow in calm markets
⚠️ Not suitable for long-term growth
They don’t generate inflation-beating returns like equity or hybrid funds
⚠️ Not a replacement for liquid funds in emergency corpus
Since they’re T+2 (two-day settlement), liquidity is slightly delayed
7. How Long Should You Stay Invested?
⏳ Minimum recommended horizon: 3–6 months
⏳ For tax efficiency: 12+ months (to enjoy 12.5% LTCG with ₹1 lakh exemption)
Arbitrage funds reward patient short-term investing, not overnight trades.
TL;DR — Too Long; Didn’t Read
Arbitrage funds earn from the price difference between cash and futures markets—not from equity rallies
Offer low-risk, tax-efficient returns (5–7%), best suited for 3–12 month holding periods
Ideal for short-term parking, SWPs, and conservative investors seeking better-than-FD options
Taxed like equity: 20% (STCG) or 12.5% LTCG after 1 year
Not meant for long-term wealth creation, but great for low-risk, tactical allocations
📩 Looking for a smarter place to park your surplus funds with lower tax drag? Let’s choose an arbitrage fund that fits your liquidity needs and time horizon.
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