MCX vs international price disparity

MCX-to-international price disparity is the gap between a commodity’s price on the Multi Commodity Exchange , India’s largest commodity-derivatives exchange and a SEBI-regulated entity, and the price of the same commodity on its international benchmark, such as WTI crude on NYMEX, gold on COMEX, or natural gas at the Henry Hub on NYMEX. The gap is not a pricing error. It is the predictable result of currency conversion, India’s import-duty regime, freight and premium, differences in contract design, and the hours when each market is open and closed.

For an Indian trader, the disparity is the single most misread feature of commodity trading. An MCX crude oil position that moves while WTI on a US screen sits still, an MCX gold price that runs above the international quote by a fixed wedge, an MCX natural gas contract that gaps at the 9:00 AM open after a quiet US night: each of these has a specific, traceable cause. This article works through the four structural drivers, currency, duty and landed cost, contract and timing design, and the day-versus-night session gap, then explains how arbitrage keeps the two markets loosely aligned and what the disparity means for the trader who has to act on it.

Conflict-of-interest disclosure. This article is published by the WebNotes Editorial Team for informational purposes and is written independently. WebNotes operates a Zerodha account-opening referral programme, disclosed on the pages that carry the referral link; this article does not carry it and earns no referral commission from anything described here.

The rupee-dollar layer

The first driver applies to every MCX commodity and is the one traders most often ignore. MCX contracts are rupee-denominated but benchmarked to dollar-denominated international prices, so the MCX price is the dollar benchmark converted through the USD/INR exchange rate. That conversion adds a second variable that the international screen does not show.

The consequence is that MCX is a two-variable problem. The rupee price of MCX crude reflects both the WTI dollar price and the USD/INR rate; the rupee price of MCX gold reflects both the COMEX dollar price and USD/INR. A weaker rupee pushes up the price of commodities on MCX even when the dollar benchmark has not moved, because the same dollar price now converts into more rupees. The reverse holds for a stronger rupee. The most confusing case for a new trader is the offsetting one: when the international market is falling but USD/INR is rising, the MCX price can stay roughly stable, because the lower dollar price and the weaker rupee cancel out. A trader watching only WTI or COMEX sees a falling international quote and cannot understand why their MCX position is flat. Tracking USD/INR alongside the benchmark, through the USD-INR futures screen or the spot rate, is the disciplined way to read MCX. During 2026 the rupee context has mattered acutely; the government has cited the import bill and pressure on the rupee, which touched a record low against the dollar, as a reason for policy moves on bullion duty.

Import duty and the gold landed cost

Crude oil and natural gas on MCX are cash-settled against the international benchmark, so their disparity is mainly the currency layer plus contract design. Gold and silver are different, because they carry a country-specific cost wedge that crude and gas do not: India’s import-duty regime. This is the largest single reason MCX bullion trades persistently above the international quote.

The MCX gold price is built up as a landed cost. The international reference price, the LBMA fix or the COMEX quote in dollars per ounce, is converted to rupees using the RBI reference rate. Then the India-specific add-ons are applied: basic customs duty, the Agriculture Infrastructure and Development Cess, GST, and the exchange-specified logistics and quality charges. The result is that the MCX gold futures price equals the landed physical-gold price in India, plus or minus the cost of carry to expiry, adjusted in real time by domestic supply and demand. Because the duty and cess are a real cost of bringing gold into the country, the MCX price sits structurally above the international price by that wedge. The same build-up applies to MCX silver .

The May 2026 duty change is the clearest recent illustration. On the night of 13 May 2026, the Centre raised import duties on gold and silver from 6 per cent to 15 per cent in a single step, with the revised structure of a 10 per cent basic customs duty combined with a 5 per cent Agriculture Infrastructure and Development Cess taking effect at midnight. The change repriced the landed cost instantly and widened the domestic premium over COMEX. Factoring in customs duty, GST and the cess, the revised structure raised the landed cost of gold by roughly Rs 27,000 per 10 grams, against an increase of around Rs 13,500 per 10 grams under the earlier regime. A trader holding MCX gold across that midnight saw the MCX-COMEX spread jump even though the international price had not moved, because the wedge itself had widened.

Sources: MCX contract specifications; Zerodha Varsity commodity chapters on crude oil and natural gas; the 13 May 2026 bullion import-duty revision.

Contract design and timing differences

Beyond currency and duty, the contracts themselves are not identical, and small design differences feed into the disparity. The MCX crude oil futures contract is 100 barrels, cash-settled against the NYMEX WTI reference; the MCX natural gas contract is 1,250 MMBtu with a price quoted in rupees per MMBtu, cash-settled against the NYMEX Henry Hub front month, with a Mini contract of 250 MMBtu and a tick that makes a Re 1 move worth Rs 250 on one Mini lot. The international contracts have their own unit sizes, expiry calendars and last-trading-day rules. When the MCX contract and the NYMEX contract reference slightly different points on the futures curve, or roll on different dates, the two prices can diverge for reasons that have nothing to do with currency or duty.

Timing of the underlying data adds another layer. The NYMEX Henry Hub natural-gas settlement is computed from a defined window of US activity, and the key weekly catalyst is the EIA storage report, issued on Thursdays. An increase in US gas inventory tends to lower the futures price and a decrease tends to raise it. When that data lands during the MCX evening session, it moves the MCX NATURALGAS price within the same session; when it lands after MCX has closed, it moves NYMEX overnight and MCX has to catch up the next morning. The MCX-WTI correlation for crude is typically above 0.95, high but imperfect, and the imperfection is exactly these design and timing differences layered on top of the currency conversion.

The day-versus-night session gap

The most visible disparity, the morning gap, comes from the mismatch in trading hours. MCX runs from 9:00 AM to 11:30 PM IST on weekdays, extending to 11:55 PM during the US daylight-saving period, so the evening session for non-agricultural commodities shifts seasonally to track the US clock. NYMEX, by contrast, offers nearly around-the-clock trading through CME Globex.

The mechanics of the gap follow directly. MCX closes around 11:30 PM to 11:55 PM IST, but NYMEX crude and natural gas keep moving through the Indian night. Any overnight US development, an inventory surprise, a weather forecast, a geopolitical event, gets priced into the international contract while MCX is shut. When MCX reopens at 9:00 AM the next morning, the Indian price must jump to where NYMEX moved overnight, producing a gap-up or gap-down at the open. This is structural overnight risk: a trader holding an MCX energy position across the close cannot trade out of an adverse overnight move until 9:00 AM, by which time the gap has already happened. The DST switch matters here too, because the evening-session end-time changes twice a year with US daylight saving, altering how much of the US session overlaps with MCX hours and therefore how large the overnight, un-tradeable window is. The Zerodha MCX trading hours reference sets out the current session timings.

How arbitrage keeps the markets loosely aligned

The disparity is bounded, not free-floating, because arbitrage links the two markets. The link is to import-parity, the landed cost in India, rather than to the raw international quote, which is why MCX gold can sit persistently above COMEX without the gap being arbitraged away.

Arbitrageurs compute the fair MCX price as the international benchmark converted to rupees plus the full landed-cost build-up of duty, cess, GST and freight. When the MCX price runs above that computed parity, it signals local demand, scarcity, currency stress or grey-market pressure priced into the same quote, and arbitrage and physical flows pull it back toward parity. When MCX runs above landed parity it often reflects local demand rather than a durable level, so a premium can crash when local demand cools even while the international price holds steady. The disciplined approach is to check the MCX price against landed cost rather than against the raw international quote, because both the duty structure and the currency can shift the gap quickly. For bullion specifically, persistently high duties sustain a domestic premium and can support a grey-market channel, which is part of why the gold premium can hold above parity for extended periods.

What the disparity means for the Indian trader

The practical lessons fall out of the four drivers. First, MCX is never a one-variable trade: the rupee price of crude or gold reflects the international dollar price and USD/INR together, so a trader who watches only the foreign benchmark is reading half the position. Second, gold and silver carry a policy-driven wedge that crude and gas do not, so a duty change can move the MCX-international spread without the international price moving at all, as the 13 May 2026 hike showed. Third, the morning gap in energy contracts is structural overnight risk, not a tradable signal, and position sizing has to account for the inability to exit between the MCX close and the 9:00 AM reopen. Fourth, the right benchmark for a parity check is landed cost, not the raw international quote, because the duty, cess, GST and freight are genuine costs that justify a standing premium.

The broader segment context, contract specifications, margins, settlement and clearing, is at the MCX reference, and the rupee leg can be tracked through the USD-INR futures screen. The commodity transaction tax and the F&O taxation in India treatment apply to the MCX leg regardless of where the international price sits.

See also

• Multi Commodity Exchange (MCX)
• Multi Commodity Exchange
• How to trade crude oil on MCX with Zerodha
• How to trade gold mini futures on Zerodha
• How to trade silver micro futures on Zerodha
• How to trade USD-INR futures on Zerodha
• Crude oil futures
• Gold futures
• Zerodha MCX trading hours
• Commodity Transaction Tax
• F&O taxation in India
• MCX transaction charges and brokers
• MCX extra margins and trade cost
• Zerodha MCX membership
• Zerodha CDS and MCX product circle
• How to add MCX F&O to the Kite marketwatch
• SPAN margin on Zerodha
• Exposure margin on Zerodha
• SEBI
• National Stock Exchange
• Gold ETF in India
• Silver ETF in India
• Repo rate in India
• Zerodha F&O segment
• Zerodha
• Kite by Zerodha
• GIFT City

External references

• MCX: crude oil product page
• Zerodha Varsity: crude oil ecosystem (Brent vs WTI)
• CME Group: Henry Hub natural gas contract specifications
• SEBI
• Reserve Bank of India

References

1. Multi Commodity Exchange of India Limited, “Contract Specifications,” crude oil, natural gas, gold and silver futures.
2. Zerodha Varsity, commodity-derivatives chapters on the crude oil ecosystem and natural gas, on the WTI and Henry Hub references and the USD/INR conversion.
3. CME Group, NYMEX Henry Hub natural gas and WTI crude contract specifications and settlement windows.
4. Government of India bullion import-duty revision effective 13 May 2026 (basic customs duty plus Agriculture Infrastructure and Development Cess).
5. US Energy Information Administration, weekly natural gas storage report (Thursday release).