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Market Basics

Mutual funds, index funds and ETFs

The alternative to picking stocks yourself — how each vehicle works, what it costs, and the honest case for using one even after learning all this.

Market BasicsBeginner11 min read
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This platform exists to teach you to analyse stocks. It would be dishonest not to point out that for a great many people, most of the time, buying the whole market through a fund produces a better outcome than picking individual companies — and to explain exactly why, so you can make the choice deliberately.

The three vehicles

Active mutual fundIndex fundETF
What it doesA manager picks stocks trying to beat an indexMechanically holds every stock in an indexSame as an index fund, but trades on the exchange like a share
Typical expense ratio0.5 – 1.2% (direct plan)0.1 – 0.3%0.05 – 0.2%
How you buyFrom the AMC or a platform, at end-of-day NAVSameThrough your broker, at a live market price
Needs a demat account?NoNoYes
Main drawbackMost underperform the index after feesYou will never beat the index by designCan trade away from fair value if liquidity is thin
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Direct versus regular plans

Every Indian mutual fund exists in two versions. A regular plan pays an ongoing commission to whoever sold it to you, embedded in the expense ratio. A direct plan is the identical portfolio with that commission removed — typically 0.5 to 1 percentage point cheaper every year.

What "the fund beat the market" usually leaves out

  • Survivorship bias. Funds that performed badly get quietly merged into others and disappear from the historical tables. The surviving list looks better than the experience of investors who were actually there.
  • The period chosen. Almost any fund can be shown to beat almost any benchmark over some carefully selected window.
  • The right benchmark. A midcap fund beating the NIFTY 50 has not demonstrated skill — it has demonstrated that midcaps outperformed largecaps. Compare against the correct index.
  • Your actual return versus the fund’s. The fund reports its own performance. Investors who bought after a good run and sold after a bad one earned considerably less than that figure.

The SIP, and what it does and does not do

A Systematic Investment Plan invests a fixed amount on a fixed date automatically. Its real benefit is not the often-quoted "rupee cost averaging" arithmetic — it is behavioural. The money is invested before you have a chance to talk yourself out of it, in exactly the months when investing feels worst.

So should you pick stocks at all?

Direct stocks make sense when
  • You genuinely enjoy analysing businesses and will keep doing it for years.
  • You can tolerate being wrong on individual names without abandoning the approach.
  • You have time to read annual reports, not just headlines.
  • You accept that this is a real, competitive job — not a shortcut.
A fund makes more sense when
  • You want equity exposure without the ongoing work.
  • You would panic-sell an individual stock that fell 40%.
  • You cannot honestly explain what a company does and how it makes money.
  • Your alternative is buying whatever a WhatsApp group recommends.
Check yourself

Two identical funds: a regular plan at 1.8% expense ratio and a direct plan at 0.9%. Over 25 years on the same portfolio, how much does the 0.9% difference matter?

Simple bhasha mein
Thali ya à la carte

Restaurant mein thali le lo toh cook decide karta hai ki kya-kya milega, aur uska charge lagta hai. Index fund woh thali hai jisme fixed 50 cheezein hoti hain aur cook ki fees na ke barabar. Active fund woh thali hai jahan cook roz badalta rehta hai aur zyada paise leta hai — kabhi behtar, aksar nahi.

What to remember
  • Expense ratios are certain; returns are not. Fees compound against you.
  • Direct plans are the same fund minus the distributor commission. Always check which you hold.
  • Fund outperformance tables suffer from survivorship bias and benchmark shopping.
  • A SIP’s real benefit is behavioural, not mathematical — and only if you never stop it.
  • A low-cost index core plus a researched satellite is a defensible structure for most people.

Common questions

Short, direct answers to what people ask about this topic.

difference between an index fund and an ETF
Both track a market index, but an ETF trades on the exchange like a share throughout the day at a live price and needs a demat account, whereas an index fund is a mutual fund you buy and sell at the day’s single NAV, no demat required. The ETF suits intraday trading and often has a slightly lower expense ratio; the index fund is simpler for regular SIP investing.
difference between direct plan and regular plan of a mutual fund
A direct plan is bought straight from the fund house with no distributor commission built in, so its expense ratio is lower and its returns are higher over time; a regular plan is bought through a distributor or advisor whose commission is embedded in a higher expense ratio. The underlying portfolio is identical — the only difference is cost, which compounds into a meaningful gap over many years.
what is expense ratio in mutual fund
The expense ratio is the annual fee a fund charges to manage your money, expressed as a percentage of your investment and deducted from the fund’s returns — you never see a separate bill, it is baked into the NAV. Even a small difference matters because it is charged every year and compounds, which is a large part of why low-cost index funds appeal to long-term investors.
what is NAV in mutual fund
NAV (Net Asset Value) is the per-unit value of a mutual fund, calculated as the total value of the fund’s holdings minus its liabilities, divided by the number of units outstanding. It is computed once each business day after markets close, so when you invest in a mutual fund you transact at that day’s NAV, not a live intraday price.
what happens if I miss an SIP instalment
Missing one SIP instalment does not cancel your SIP or attract a penalty from the fund house — the SIP simply continues on the next date, though your bank may levy a charge for the failed auto-debit. If several consecutive instalments fail, the mandate can be paused, so it is worth keeping enough balance in the linked account on the SIP date.