What is an STP?

4 min readIntermediate

What is it?

An STP (Systematic Transfer Plan) automatically moves a fixed amount, at regular intervals, from one mutual fund into another — usually from a debt or liquid fund into an equity fund, within the same AMC. It's commonly used to deploy a lump sum gradually instead of investing all of it on a single day.

Why should you care?

Putting a large lump sum straight into equity funds means your entire investment is exposed to whatever the market does on that one day. An STP lets the money sit in a lower-volatility debt or liquid fund first, earning some return, while a fixed slice moves into equity every month — spreading your entry price the same way a SIP does, but starting from money you already have rather than fresh income.

Real-life example

You receive a bonus of ₹6,00,000 and want it in an equity fund, but you're wary of investing it all on one day. You park the full amount in a liquid fund and set up an STP of ₹50,000/month into an equity fund, running for 12 months. Each month, ₹50,000 moves out of the liquid fund (redeemed at that fund's NAV) and into the equity fund (bought at its NAV), so your entry price into equity is averaged across the full year instead of fixed at a single day's level.

Common mistakes

  • Confusing STP with SIP — an STP moves money you've already invested from one fund to another; a SIP invests fresh money debited from your bank account.
  • Choosing an STP duration so long that most of the money still sits in the debt fund earning a lower return than the equity fund would have, defeating the point of eventually being in equity.
  • Not checking the exit load or short-term capital gains impact on the source fund — each STP installment is technically a redemption from the source fund, which can trigger tax or exit load if redeemed too early.

Lump sum straight into equity vs. via a 12-month STP

Direct lump sumSTP over 12 months
Market exposure on Day 1100% of the money≈8% of the money (1st installment)
Entry priceSingle day's NAVAveraged across 12 monthly NAVs
Money not yet in equityEarns nothing (already invested)Earns liquid fund returns while it waits

FAQ

Is an STP the same as a SIP?

No. A SIP invests new money from your bank account into a fund at each interval. An STP transfers money you've already invested from one fund (the source) into another (the destination) at each interval — no fresh money from your bank account is involved.

Does an STP always go from debt to equity?

That's the most common use case — deploying a lump sum into equity gradually — but STPs can move money between any two funds within the same AMC, including equity to debt (for example, gradually de-risking a portfolio as a goal approaches).

Are STP transfers taxed?

Yes. Each STP installment is treated as a redemption from the source fund followed by a purchase in the destination fund, so capital gains tax (and any applicable exit load) applies on the source fund redemption, just as it would for any other redemption.

Can I choose the STP amount and frequency?

Yes. Most AMCs let you set a custom amount and choose weekly, monthly, or quarterly frequency, and a fixed number of installments or an end date — similar to setting up a SIP mandate.

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