Lot Size For Commodity F&O Contracts

    Summary:


    The exchange sets the lot size, which is the fixed trading unit. These bundles are guaranteed to make commodities markets liquid and standard transactions since commodities are traded in standardised contracts rather than individual units.


    The lot size is important for participants in the F&O market. It defines your margin and the calculation of your profits or loss.

    • Standardised Trading Unit: Lot size is the lowest amount you can trade in a single contract that is determined by the exchange.

    • Impact on Margin: The amount of money you have to deposit in order to start a trade is directly dependent on the size of the lot.

    • Price Movement Calculation: The gains and the losses are calculated by multiplying the price change and the lot size of the contract.

    • Tick Size Connection: Tick size is defined separately by the exchange and determines the minimum price movement.   

    Understanding Lot Sizes

    A lot size refers to the fixed quantity of a commodity that must be bought or sold in a single futures or options trading contract. You cannot choose your own quantity. Instead, exchanges such as MCX define this lot size to ensure uniformity in trades.

    For Futures Contracts

    Product

    Lot Size

    Margin Required*

    Tick Size

    P/L per Tick

    Gold

    1kg

    7.25%

    ₹1

    ₹100

    Gold Mini

    100gm

    7.25%

    ₹1

    ₹10

    Gold Ten

    10gm

    7.25%

    ₹1

    ₹1

    Gold Guinea

    8gm

    7.25%

    ₹1

    ₹1

    Gold Petal

    1gm

    7.25%

    ₹1

    ₹1

    Silver

    30kg

    14.25%

    ₹1

    ₹30

    Silver Mini

    5kg

    14.25%

    ₹1

    ₹5

    Silver Micro

    1kg

    14.25%

    ₹1

    ₹1

    Crude Oil

    100 bbl

    34.25%

    ₹1

    ₹100

    Crude Oil Mini

    10 bbl

    34.25%

    ₹1

    ₹10

    Natural Gas

    1250 MMBTU

    26.68%

    10p

    ₹125

    Natural Gas Mini

    250 MMBTU

    24.81%

    10p

    ₹25

    *As of 4th July 2025. 

    For Options Contracts

    Product

    Lot Size

    Tick Size

    P/L per Tick

    Gold

    1kg

    50p

    ₹50

    Gold Mini

    100gm

    50p

    ₹5

    Silver

    30kg

    50p

    ₹15

    Silver Mini

    5kg

    50p

    ₹2.5

    Crude Oil

    100 bbl

    10p

    ₹1

    Crude Oil Mini

    10 bbl

    5p

    ₹0.5

    Natural Gas

    1250 MMBTU

    5p

    ₹62.5

    Natural Gas Mini

    250 MMBTU

    5p

    ₹12.5

    Foundation of Standardised Trading

    Standard lot sizes create consistency in commodity trading. For example, when the lot size for crude oil is set at 100 barrels, every trade must happen in multiples of 100. This helps you clearly understand how much you're trading, makes order matching easier, and avoids confusion during execution. It also ensures that your profits or losses are easy to calculate and track.

    Influence on the Options Market

    In futures and options trading, lot size also matters when you’re dealing with strike prices. Since options are based on futures contracts—and those futures have fixed lot sizes—the strike price needs to reflect how many units of the commodity each contract covers. If you are trading options, knowing the lot size helps you understand how much exposure you're taking and how price changes will affect your gains or losses.

    Enhancing Market Accessibility

    Lot size has a direct impact on how easy it is for regular retail investors to enter the market. If the lot size for commodity contracts is too large, it raises the capital you need to get started. That can make it hard for smaller investors to participate. But when lot sizes are smaller, you can access the market with less money and take more control of your position sizing. This also helps you manage your margin better and apply smarter risk strategies. Tools like margin calculators can help you estimate how much capital is needed.

    Understanding the Concept of Strike Prices

    In options trading, the strike price is the agreed-upon rate at which you have the right to buy (for calls) or sell (for puts) the underlying commodity. This price is agreed upon when the contract is made. Once the option reaches expiry, this strike price is used to calculate your profit or loss based on where the market price ends up.

    Importance of Strike Prices in Options Trading

    Strike prices play a big role in whether your options trade makes money or not. If you’re holding a call option, you want the market price to go above your strike price. If it’s a put option, you want the market price to fall below the strike price. Choosing the right strike price helps you trade more efficiently. Pick the wrong one, and you might miss out on potential profits—or worse, face losses.

    Relationship Between Strike Prices and Lot Sizes

    Feature

    Description

    Lot Size

    The minimum amount of the good you must trade in one contract.

    Strike Price

    The price at which the option holder has the right to buy or sell the commodity.

    Settlement Calculation

    Gains or losses are found by multiplying the price difference by the total lot size.

    Exchange Control

    Exchanges standardise both based on how liquid the assets are, how prices are changing, and how volatile the market is.

    Trading Goal

    All of these things help assess position value and risk exposure.tures?

    Published Date : 20 Apr 2026

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