Commodity Investment
Commodity investment in India: too many ways to buy gold. Every one has fine print.
Your uncle says physical gold for the wedding. Your CA says Gold ETF for tax efficiency. Your colleague says SGB for the 2.5% interest. You Google it and get 15 articles, each recommending something different. PortoAI compares every format, shows the real costs, and helps you pick based on your situation.
The problem
Your parents bought physical gold. Your advisor says ETF. Your friend says SGB. Now what?
You decide to add gold to your portfolio. Simple enough. Then you discover there are at least six ways to do it in India, and each comes with its own set of trade-offs. Physical gold has making charges (8-25%) and you need a locker. Gold ETFs trade like stocks with ~0.5% expense ratios, but you need a demat account. SGBs pay 2.5% annual interest and are tax-free at maturity, but the government paused new issuances in 2024, so you'd have to buy on NSE/BSE at a premium or discount you can't easily evaluate. Digital Gold starts at just ₹100, which sounds great, until you notice the 3% buy-sell spread eating into returns. MCX Gold futures give you leverage, but the regular contract is 100g and mini is 10g, and you need margin money. And that's just gold. Silver has its own set of contracts (30kg, 5kg, 1kg). Crude oil, natural gas, copper, zinc, aluminium, nickel, lead: each one is a different market with different lot sizes. Every Google search for "best way to buy gold India 2026" gives you a different answer. The tax treatment is different for every single format. You end up with 20 browser tabs open and no decision made.
This is for you if
- You want to add gold to your portfolio but the number of options is paralyzing: physical, ETF, SGB, Digital Gold, MCX futures
- You keep hearing about SGBs but found out new issuances are paused since 2024, and you're not sure how to buy on the secondary market
- You're comparing Gold ETF expense ratios (~0.5%) against Digital Gold's 3% buy-sell spread and can't figure out which actually costs less over 5 years
- You want exposure to silver, crude oil, or base metals like copper and zinc but have no idea about MCX lot sizes or margin requirements
- You're trying to figure out how much of your portfolio should even be in commodities, and whether 5% or 15% makes more sense for you
- You want to start a Gold ETF SIP for disciplined, dollar-cost-averaged gold accumulation but aren't sure which ETF or how much per month
What you can do
Every commodity format compared. For your numbers, not in general.
PortoAI knows every way to invest in commodities available in India: MCX, NCDEX, ETFs, SGBs, Digital Gold. Ask in plain language and get answers built around your portfolio, your tax bracket, and your investment horizon.
Side-by-side format comparison
Physical gold vs Gold ETF vs SGB vs Digital Gold vs MCX futures. You see costs, lock-in periods, tax treatment, and minimum investment amounts in one table. Gold ETF LTCG is 12.5% (Section 112A, Income Tax Act). SGB is tax-free if held to maturity per RBI’s Sovereign Gold Bond scheme rules. Digital Gold LTCG is 20%. MCX profits are treated as business income. PortoAI shows what each format actually costs you, after tax, for your holding period.
MCX contract details: lot sizes, margins, and all metals
Gold regular (100g), mini (10g), guinea (8g). Silver regular (30kg), mini (5kg), micro (1kg). Crude oil (100 bbl), mini crude (10 bbl). Natural gas, copper, zinc, aluminium, nickel, lead. Ask about any MCX contract and get the lot size, approximate margin requirement, and contract expiry cycle. No more digging through exchange circulars.
SGB secondary market navigation
New SGB issuances have been paused by the RBI since 2024, but existing bonds trade on NSE and BSE. PortoAI explains how secondary market SGB pricing works, what premiums or discounts to expect, and whether buying an SGB at a premium still beats a Gold ETF after factoring in the 2.5% annual interest and the tax-free maturity benefit (as defined in the RBI Sovereign Gold Bond scheme). You don't need to guess. You can ask with your specific numbers.
Base metals and energy commodities
Gold and silver get all the attention, but copper and zinc offer exposure to industrial demand cycles. Crude oil and natural gas move on entirely different fundamentals. If you're curious about diversifying beyond precious metals, PortoAI covers NCDEX agricultural commodities too. Ask about any commodity and get context on why it moves, how to get exposure, and what the realistic costs are.
Gold SIP and dollar-cost averaging
Timing gold is as hard as timing equities. A Gold ETF SIP lets you accumulate systematically. PortoAI helps you figure out which Gold ETF to use (comparing expense ratios across funds), how much to allocate per month, and what your accumulation would look like over 1, 3, or 5 years at different gold price scenarios. Start from as little as one unit per month.
Portfolio allocation: how much should be in commodities?
Should 5% of your portfolio be in gold? Or 15%? The answer depends on what you already hold. PortoAI shows your current commodity allocation (including indirect exposure through multi-asset funds), simulates what adding gold or silver does to your portfolio's diversification and volatility, and suggests a target range based on your risk profile. You stop guessing and start seeing the actual impact on your portfolio.
Try it yourself
Questions you can ask
“Compare Gold ETF vs SGB vs Digital Gold for a 5-year holding period in the 30% tax bracket”
“What's the lot size and margin for gold mini and silver micro on MCX?”
“How do I buy SGBs on the secondary market? Are they trading at a premium right now?”
“I have zero commodity exposure. Should I start with gold? How much of my portfolio?”
“Which Gold ETF has the lowest expense ratio for a monthly SIP?”
“What's the tax treatment difference between Gold ETF, SGB, Digital Gold, and MCX gold futures?”
“I want to invest ₹50,000 in gold. What's the best option if I plan to hold for 3 years?”
“Explain copper and crude oil futures on MCX. Lot sizes, margins, and what moves them.”
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