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What Is Minimum Lot Size in Trading? Why 0.01 Is Not Allowed Everywhere

Minimum lot size is the smallest position an instrument accepts, set per symbol not per account. Why it is 0.01 on forex, 40 on Dogecoin and 10 on the VIX.

Piotr NiemidomskiCo-Founder & COO, Vanto
September 6, 202613 min read

Educational content. This article defines minimum lot size, lot step and maximum lot size, and shows the figures that apply to each Vanto instrument. It does not constitute investment advice or a trading recommendation. CFD trading carries significant risk of loss and may not be suitable for all investors.

Minimum lot size is the smallest position an instrument will let you open. It is set per symbol, not per account, which is why an order that the platform accepts on EUR/USD is rejected on Dogecoin from the same account, on the same day, with the same balance.

Most explanations of this stop at "0.01 lots on forex" and then send the reader to check the contract specification. That answer is right for forex and wrong for a third of the instruments in a typical CFD catalogue. This article gives the actual figures, separates the three limits that get confused with each other, and explains why the minimum on one market has nothing to do with the minimum on another.

For the unit itself, see what is a lot in trading. For the multiplier that turns a lot into exposure, see what is contract size in trading.

What Is Minimum Lot Size?

Minimum lot size is the smallest volume, expressed in lots, that an instrument will accept on a single order, and it is a property of that instrument's specification rather than a property of the account.

The platform enforces it at order entry. An order below the minimum does not partially fill or round up; it is rejected. This is why the constraint is worth knowing before a position is planned rather than after an order is refused, particularly on instruments where the minimum is a whole number rather than a fraction.

The figure is published in the MT5 symbol specification window as "Volume minimum" and appears in the Vanto trading calculator alongside the live price for every instrument.

Minimum Lot Size, Lot Step and Maximum Lot Size Are Three Different Limits

Every instrument carries three separate volume limits, and knowing one of them does not tell you the other two.

  • Minimum lot size is the floor. It is the smallest order the instrument accepts.
  • Lot step is the increment. It is the amount by which volume can be adjusted above the minimum.
  • Maximum lot size is the ceiling on a single position.

The floor and the increment are frequently assumed to be the same number, and on most instruments they are. On several they are not, and the difference decides which orders exist.

ADAUSD has a minimum of 1 lot and a step of 0.01. The smallest position is 1.00 lots, but above that the volume moves in hundredths, so 1.01 and 1.37 are valid orders while 0.50 is not. DOGEUSD has a minimum of 40 lots and a step of 1, so the ladder starts at 40 and moves in whole units: 40, 41, 42, with nothing in between. XRPUSD has a minimum of 50 and a step of 0.01, which combines a high floor with fine adjustment above it.

The practical consequence is that "the minimum" and "the granularity" answer different questions. The minimum tells you whether a position can be opened at all. The step tells you how precisely it can be sized once it can.

Minimum Lot Size Across Asset Classes at Vanto

The table below gives the volume limits for every asset class in the Vanto catalogue, taken from the live symbol specification.

Asset class Instruments Minimum lot Lot step Maximum lot
Forex All 42 pairs 0.01 0.01 200
Metals XAUUSD, XAGUSD 0.01 0.01 20
Indices 13 of 18 0.01 0.01 100
Indices JP225, STOXX50, SWI20, US2000 1 1 100 or 1,000
Indices VIX 10 1 1,000
Energies UKOIL, USOil 0.1 0.1 100
Energies NGas 1 1 100
Cryptocurrencies BTCUSD, ETHUSD, BCHUSD 0.01 0.01 5 to 100
Cryptocurrencies The other 10 coins 0.05 to 100 0.01 or 1 10 to 100,000,000

Source: Vanto calculator data, snapshot 6 September 2026. Volume limits are set per symbol and can change.

Forex is the uniform case. All 42 pairs, from EUR/USD to EUR/MXN, carry exactly the same three figures, which is why the generic answer of "0.01 lots" survives as long as the conversation stays inside forex.

Everything outside forex is instrument by instrument. Both metals share the forex minimum of 0.01 but carry the tightest ceiling in the whole catalogue at 20 lots. Crude oil steps in tenths. Natural gas steps in whole lots. Four indices trade only in whole lots while the other thirteen accept hundredths, and the VIX starts at 10.

Cryptocurrency is where the assumption breaks hardest. The full per-coin picture is worth stating in detail.

Symbol Minimum lot Lot step Maximum lot
BTCUSD 0.01 0.01 5
ETHUSD 0.01 0.01 100
BCHUSD 0.01 0.01 10
LTCUSD 0.05 0.01 10
AVAXUSD 0.1 0.01 100
ADAUSD 1 0.01 100
SOLUSD 1 0.01 100
UNIUSD 1 0.01 100
DOTUSD 1 1 200
LINKUSD 1 1 200
DOGEUSD 40 1 100
XRPUSD 50 0.01 10,001
SHIBUSD 100 0.01 100,000,000

Source: Vanto calculator data, snapshot 6 September 2026.

Three of the thirteen coins accept 0.01 lots. The other ten do not, and the floor ranges from 0.05 to 100. A trader who has only ever traded forex and gold will meet a rejected order the first time they size a Dogecoin position the way they size a EUR/USD position.

Why the Minimum Is Not a Risk Floor

The minimum lot size says nothing about how much money is at risk, because a lot is a unit of the underlying asset rather than a unit of money.

One lot of gold is 100 troy ounces. One lot of a coin CFD is one coin. One lot of an index is one index unit. The lot count is therefore a count of very different things, and the smallest allowed order in each market carries a completely different amount of exposure.

Instrument Smallest allowed order What that is Notional at snapshot
XAUUSD 0.01 lots 1 troy ounce About USD 4,431
XAGUSD 0.01 lots 50 troy ounces About USD 3,308
UKOIL 0.1 lots 10 barrels About USD 944
BTCUSD 0.01 lots 0.01 bitcoin About USD 798
NGas 1 lot 100 MMBtu About USD 297
VIX 10 lots 10 index units About USD 159
DOGEUSD 40 lots 40 coins About USD 3.64
ADAUSD 1 lot 1 coin About USD 0.22

Source: Vanto calculator data, snapshot 6 September 2026, at the bid prices in that snapshot. Notional moves with the price.

The spread across that column is the point. Two orders that both read as "the minimum" differ by a factor of roughly 1,200 between gold and Dogecoin, and by more than 20,000 times between gold and Cardano. Position size in money terms is contract size multiplied by price multiplied by lots, and the minimum lot only fixes the last of those three.

This also cuts the other way. On the instruments with the largest contract sizes, the minimum is already a substantial position. The smallest permitted silver order is 50 troy ounces, so there is no way to take a smaller silver position than roughly USD 3,300 of exposure at snapshot prices, whatever the account balance is. What is margin in trading covers the collateral that exposure requires, and what is leverage in trading covers the ratio that decides how much of it has to be posted.

Why Minimums Differ Between Instruments

Minimums differ because the lot is defined against the underlying asset, and the underlying assets are not comparable in size, price or price granularity.

The contract size sets the scale. A forex lot is 100,000 units of the base currency, so a hundredth of a lot is still 1,000 units, which is a workable ticket. A crypto lot is one coin, so a hundredth of a lot is a hundredth of a coin. On a coin priced at USD 0.09 that is less than a tenth of a cent of exposure, which is not an order any venue can process meaningfully. The higher the coin price, the smaller the workable fraction: bitcoin at snapshot prices supports 0.01 lots comfortably, Cardano does not.

Quote precision sets the smallest meaningful move. DOGEUSD is quoted to six decimal places and SHIBUSD to eight, because the price would otherwise round to zero. A minimum order has to be large enough that one tick of that price is a visible amount of money. This is the same constraint that produces the whole-lot minimum on the four indices that carry one, where the index level is high and the tick is one hundredth of a point.

Hedging cost sets a floor on the ticket. A CFD position is hedged in an underlying market that has its own minimum order sizes and its own per-ticket costs. Below a certain size, the cost of managing the hedge exceeds anything the position generates, so the instrument is not offered below it.

None of these are risk-management decisions taken on the trader's behalf. They are the mechanical consequences of the instrument's own specification, which is why they vary between brokers even for the same underlying asset. See crypto CFD trading for how coin CFDs are constructed and how to trade commodities for the metals and energy contracts.

Where the Maximum Binds

Maximum lot size limits a single position, and on several instruments it binds far earlier than the minimum suggests.

Both metals cap at 20 lots. On gold that is 2,000 troy ounces, roughly USD 8.9 million of notional exposure at snapshot prices. BTCUSD caps at 5 lots, which is 5 bitcoin, roughly USD 399,000. Forex caps at 200 lots, which on EUR/USD is 20 million units of the base currency. The three ceilings are separated by more than an order of magnitude in money terms, in the opposite direction to what the lot counts imply: the instrument with the highest lot ceiling is not the one that permits the largest position.

The cap applies per position rather than per account, so larger exposure is built from multiple positions, each of which is subject to the same margin arithmetic. What is stop out level in trading covers what happens to a set of positions when margin runs short.

How to Check the Limits for Any Symbol

The three figures are published in two places and both reflect the live specification for the account.

In MT5, right click the symbol in Market Watch, choose Specification, and read "Volume minimum", "Volume step" and "Volume maximum". In the Vanto trading calculator, select the instrument and the position size field enforces the same limits against the live price, so an invalid volume cannot be entered.

Checking takes a few seconds and is worth doing once per instrument rather than once per order, because the limits change only when the specification changes, not with the market.

Minimum Lot Size Is a Platform Constraint, Not a Sizing Method

The minimum tells you what the platform will accept. It does not tell you what a position should be.

Sizing is a separate calculation that starts from the amount of capital at risk and the distance to the stop, and it produces a volume that may or may not be permitted by the instrument. When the calculated volume falls below the instrument minimum, the position cannot be opened at the intended size, and the choice is between a larger position than the calculation supports and no position at all. Treating the minimum as an answer to the sizing question inverts that logic. What is a lot in trading covers the risk-based sizing formula itself.

Frequently Asked Questions

What is the minimum lot size in forex?

At Vanto the minimum is 0.01 lots on all 42 forex pairs, which is 1,000 units of the base currency, and the lot step is also 0.01. The figure is uniform across majors, crosses and exotics: EUR/USD, GBP/JPY and EUR/MXN all carry the same floor.

Why can I not open a 0.01 lot position on Dogecoin?

Because one lot of DOGEUSD is one Dogecoin, so 0.01 lots would be one hundredth of a coin, worth a fraction of a cent. The instrument's minimum is 40 lots with a step of 1, so the smallest valid order is 40 coins, roughly USD 3.64 of exposure at the 6 September 2026 snapshot price.

What is the difference between minimum lot size and lot step?

The minimum is the smallest order the instrument accepts; the step is the increment by which volume can change above it. They are often the same number but not always. ADAUSD has a minimum of 1 and a step of 0.01, so 1.01 lots is valid and 0.50 lots is not, while DOGEUSD has a minimum of 40 and a step of 1, so no volume between 40 and 41 exists.

Is the minimum lot size the same at every broker?

No. Minimum volume, step and maximum are set per symbol in each broker's specification, so the same underlying asset can carry different limits at different firms, particularly outside forex where contract sizes themselves differ. The specification on the account is the only authoritative source.

What is the maximum lot size at Vanto?

It is 200 lots on forex, 100 lots on energies, 100 or 1,000 lots on indices depending on the symbol, 20 lots on both metals, and between 5 and 100,000,000 lots on cryptocurrencies depending on the coin. BTCUSD carries the tightest crypto ceiling at 5 lots.

Does a smaller lot size always mean less risk?

Within one instrument, yes: risk scales linearly with volume, so half the lots is half the exposure. Across instruments, no. The smallest permitted gold order carries roughly 1,200 times the notional of the smallest permitted Dogecoin order, so comparing lot counts between markets says nothing about comparative exposure.

Check the Volume Limits Before You Plan a Position

The Vanto trading calculator shows the minimum, step and maximum volume for every instrument alongside the live price, notional value and required margin, and the MT5 symbol specification window shows the same three figures inside the platform. For the units these limits are counted in, see what is a lot in trading and what is contract size in trading. For the two instruments where the minimum is already a large position, see how to trade commodities, and for the index that starts at 10 lots, see how to trade the VIX. A demo account lets you test the limits on any instrument without risking capital.


Risk warning. Trading securities, futures, options, and contracts for differences are complex financial instruments that require knowledge and understanding. Prices can fluctuate significantly and securities may become valueless. Investors may incur losses exceeding the potential for profits. Trading on margin can result in losses greater than the amount initially deposited. Past performance is not necessarily a guide to future performance. The information in this article is for educational purposes only and does not constitute investment advice, a recommendation, or an offer to buy or sell any financial instrument. Consider whether CFD trading is appropriate for your circumstances and seek independent advice if necessary.

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