Micro Bitcoin Futures on the CME: Specs, Sizing and Risk in 2026
Micro bitcoin futures exist for one reason: the standard contract got too big for most people to trade responsibly. When CME listed bitcoin futures at five bitcoin per contract, a single position was an institutional decision. Micro bitcoin futures, ticker MBT, cut that down to a tenth of one bitcoin, which is one fiftieth of the standard size.
That is the whole product in a sentence, and it is also where most of the confusion starts. Traders hear the word micro and read it as safe. Micro is not a risk setting. It is a divisor. It makes the smallest unit of exposure smaller, which means you can now size a position deliberately instead of taking whatever the contract happens to be. Whether you use that precision or just buy ten times as many contracts is a decision the exchange does not make for you.
This guide covers what micro bitcoin futures actually specify, how the tick math converts a bitcoin price move into dollars in your account, how MBT compares to the standard contract and to spot bitcoin, and what changes when you trade them inside a structured, simulated funded account with a fixed daily loss limit.
- Anchor on the multiplier. One MBT contract is 0.1 bitcoin, so every $1,000 move in the bitcoin price is worth $100 per contract. Every risk number you calculate starts there.
- Read the tick, not the quote. The minimum increment is five index points, worth $0.50 per contract. A quote that moves twenty points has moved $2.00 of account value.
- Expect cash, not coin. MBT is financially settled to the CME CF Bitcoin Reference Rate. No wallet, no custody, no delivery.
- Respect the Saturday gap. The contract trades Sunday through Friday. Spot bitcoin does not stop, so the reopen can price in a move you were closed for.
- Size to the loss limit, not to the account. The number of contracts you can hold is set by your stop distance and your daily loss limit, not by the margin the platform will allow.
What micro bitcoin futures actually specify
Micro bitcoin futures are a CME Group contract equal to one tenth of one bitcoin, cash settled in US dollars against the CME CF Bitcoin Reference Rate. The standard bitcoin futures contract covers five bitcoin, which makes the micro contract one fiftieth of its size. Those figures come straight from the CME Micro Bitcoin futures contract specifications.
The reference rate matters more than most traders realize. The CME CF Bitcoin Reference Rate is a once-a-day rate that aggregates trade flow from major bitcoin spot exchanges over a one-hour calculation window, expressed as the US dollar price of one bitcoin as of 4 p.m. London time. Settlement is not a print from one exchange at one instant. It is a volume-weighted picture of a window, which is deliberately harder to push around.
Size, tick and value
The minimum price fluctuation is five index points. Because the contract covers a tenth of a bitcoin, five index points on the underlying is $0.50 per contract. That is the smallest amount your position can change by. From there the arithmetic is linear and worth memorizing:
- A $10 move in bitcoin is $1.00 per MBT contract.
- A $100 move in bitcoin is $10.00 per MBT contract.
- A $1,000 move in bitcoin is $100.00 per MBT contract.
If bitcoin is trading at $100,000, one MBT contract carries $10,000 of notional exposure. CME's own product overview lesson uses the same relationship with a $50,000 bitcoin price and a $5,000 notional. The notional moves with the market, which is the part traders forget when they size a position once and reuse the number for six months.
Listings, expiration and hours
CME lists the nearest six consecutive monthly contracts, plus the nearest two December contracts. Contracts expire on the last Friday of the contract month and settle in cash to the reference rate on the last day of trading. The product trades Sunday through Friday for nearly 24 hours a day on CME Globex.
That schedule is the single biggest behavioral difference between MBT and spot bitcoin. Spot never closes. MBT does. If you are used to a market that is always open, the Saturday break is a genuine risk event rather than a scheduling detail, and we cover the wider version of that problem in why crypto weekends wreck accounts.
Micro bitcoin futures versus the standard contract
The two contracts are identical in mechanics and differ only in size, which means the choice is purely a sizing decision. Everything else, the settlement method, the reference rate, the expiration calendar and the trading hours, is the same. What changes is how coarse your smallest possible position is.
TradeFundrr · Contract Spec Sheet
One MBT contract is a tenth of a bitcoin, and every risk number you use flows from that one figure
The exchange fixes the multiplier, the tick and the settlement method. It does not fix your position size. Reading the spec sheet is what turns a bitcoin price move into a dollar figure you can compare against a daily loss limit.
The six specifications that matter
Contract unit
0.1 BTC
One fiftieth of the standard contract
Minimum tick
$0.50
Five index points on the underlying
Settlement
Cash
To the CME CF Bitcoin Reference Rate
Expiration
Last Friday
Of the contract month
Listed months
6 + 2
Six consecutive months, two Decembers
Session
Sun to Fri
Nearly 24 hours, closed most of Saturday
What a bitcoin price move is worth, per contract
Micro against standard
MBT, micro bitcoin futures
0.1
bitcoin per contract
BTC, standard bitcoin futures
5.0
bitcoin per contract
Sizing in three steps, before the entry
01
Measure the stop
Fix the invalidation level first and read the distance in bitcoin dollars, not in percent or in ticks.
02
Convert to dollars
Divide the stop distance by ten. That is the dollar risk of one contract, because the contract is a tenth of a coin.
03
Divide into your budget
Take your per-trade budget, not the full daily loss limit, and divide by the per-contract risk. Round down.
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Illustrative example. Contract specifications are set by CME Group and can change. Trading involves substantial risk of loss.
The step-up problem
Scaling with the standard contract means moving in five bitcoin increments. If your analysis says the position should be a little larger, your only options are to stay flat or to add a whole standard contract, which at a $100,000 bitcoin price is $500,000 of notional. Micro bitcoin futures give you a $10,000 step instead. That is not a small convenience. It is the difference between position sizing and position guessing.
| Specification | Micro (MBT) | Standard (BTC) |
|---|---|---|
| Contract unit | 0.1 bitcoin | 5 bitcoin |
| Minimum tick value | $0.50 per contract | $25.00 per contract |
| Value of a $1,000 bitcoin move | $100 per contract | $5,000 per contract |
| Notional at $100,000 bitcoin | $10,000 | $500,000 |
| Settlement | Cash, to the CME CF BRR | Cash, to the CME CF BRR |
| Expiration | Last Friday of the month | Last Friday of the month |
| Trading session | Sunday to Friday, near 24 hours | Sunday to Friday, near 24 hours |
Notional figures assume a $100,000 bitcoin price and move with the market. Specifications are published by CME Group and can change.
How MBT compares to spot bitcoin
Futures and spot give you exposure to the same price with completely different plumbing. A micro bitcoin futures position is a contract on a regulated exchange with a fixed multiplier, a published tick, a known expiration and a central clearinghouse. A spot position is a holding at an exchange, sized in fractions of a coin, with no expiry and no scheduled close.
Neither is superior in the abstract. The question is which set of constraints matches your process.
What futures give you
A fixed multiplier is the underrated advantage. On spot, your position size is whatever fraction of a coin you typed into a box, which invites drift: 0.14 one day, 0.31 the next, with no consistent unit of risk. MBT forces you to size in tenths of a coin. That granularity is coarse enough to be deliberate and fine enough to be usable.
Cash settlement removes custody entirely. There is no wallet, no withdrawal address, no exchange holding your coins. For a trader who is not trying to own bitcoin and only wants the price exposure, that removes a category of operational risk that has nothing to do with trading skill.
What futures take away
You lose continuous trading. Spot runs through the weekend and MBT does not, so a large Saturday move arrives as a gap on the Sunday reopen. If you hold over a weekend, your stop is not protecting you during the closure. It is protecting you again on Monday, at whatever price the market decides to reopen at.
You also inherit an expiration calendar. Contracts roll, liquidity migrates from the front month to the next one, and a position you meant to hold has an end date. That is standard futures maintenance rather than a defect, and futures contract rollover explained walks through how to handle it without getting caught in a thin expiring month.
Sizing micro bitcoin futures inside a daily loss limit
The right number of contracts is the one that keeps a full stop-out inside your per-trade risk budget. It is not the number your margin allows, and the gap between those two figures is where most funded crypto futures accounts are lost.
Work an example. Say your account carries a $2,000 daily loss limit and you cap any single trade at a third of it, so $660 of risk. Your setup puts the invalidation level $1,500 away in bitcoin price terms. One MBT contract risks $150 on that stop, because $1,500 divided by ten is $150. Divide $660 by $150 and you get 4.4, so you trade four contracts. That is the whole calculation, and it takes about fifteen seconds.
Now run it the way traders actually do it. The platform shows margin that permits far more than four contracts, so the trader takes ten because the setup looks clean. The stop hits, the loss is $1,500, and three quarters of the daily loss limit is gone on one idea. Nothing was wrong with the analysis. The sizing was decided by the margin screen instead of by the loss limit.
Notional drifts even when your habits do not
Here is a subtlety that catches traders who size correctly once and then stop checking. Because MBT is a fixed fraction of a coin rather than a fixed dollar amount, the notional exposure of one contract moves with the price of bitcoin. At $60,000 a contract carries $6,000 of exposure. At $120,000 the same contract carries $12,000.
A trader who settled on four contracts as a comfortable size during a quieter, cheaper stretch is carrying double the exposure a year later without having changed a single input. Nothing in the platform will tell you this, because from the platform's point of view nothing changed. You are still trading four contracts.
The fix is to size from the stop rather than from a contract count you remember. If your calculation starts with the invalidation distance every time, the notional drift takes care of itself, because a wider stop in dollar terms automatically produces a smaller contract count. Traders who keep a fixed count are effectively letting the market decide their risk.
Volatility changes the answer
Bitcoin's daily range is not stable, which means a fixed contract count is a moving risk exposure. A stop that is $800 away in a quiet stretch and $2,500 away in a volatile one is the same trade idea at two very different sizes. If your contract count never changes, your risk changes for you. Sizing from the stop distance rather than from a habit solves this automatically, and volatility and position sizing covers the general form of the problem.
- Write the invalidation price down before the entry, in bitcoin dollars.
- Divide that distance by ten to get the per-contract dollar risk.
- Divide your per-trade budget by that figure and round down.
- Check the contract month you are actually trading and how many days it has left.
- Decide the weekend rule in advance: flat by Friday, or sized for a gap.
What changes in a simulated funded account
Inside a funded account the contract specifications stay exactly the same, but the constraint that governs your trading is the account rule set rather than the exchange margin. TradeFundrr provides a structured, simulated environment, so no order is routed to a live exchange and no real position is created. The price data, the tick math and the sizing discipline are identical. What differs is that the daily loss limit and drawdown rules are hard boundaries rather than suggestions.
This is a fair trade rather than a limitation. In a personal account, nothing stops you from taking ten contracts on a whim except your own judgment at the exact moment your judgment is least reliable. In a funded account, that decision has a documented ceiling. Traders who resent the ceiling usually discover it was the only thing standing between a bad afternoon and a closed account.
Two practical points. First, whether MBT is on the permitted instrument list is set by your specific program, not by the exchange, so read the written rules of the account you buy rather than assuming any CME product is available. Second, the CFTC is explicit that simulated results carry inherent limitations and that no representation can be made that an account will achieve similar profits or losses, a point set out in its guidance on understanding your contractual obligations. We would rather say that plainly than let the word funded do work it has not earned.
Where funded crypto futures traders lose accounts
Three failures repeat. The first is treating micro as a licence to hold more contracts, so the sizing benefit is spent immediately and the account carries the same risk it would have on the standard contract. The second is holding through the Saturday closure without adjusting size, then meeting the Sunday reopen with a full position. The third is trading the expiring month into the last Friday because it is the one on the chart, rather than moving to the month where the volume has already gone.
None of these is a strategy problem. All three are housekeeping. That is characteristic of futures generally: the analysis is the visible part and the specification handling is what quietly decides whether the account survives. Our post on tick value and contract specs explained covers the same discipline across the wider futures complex.
Frequently Asked Questions
What is a micro bitcoin futures contract?
Micro bitcoin futures, ticker MBT, are a CME Group contract equal to one tenth of one bitcoin. That makes the contract one fiftieth the size of the standard bitcoin futures contract, which covers five bitcoin. MBT is cash settled in US dollars to the CME CF Bitcoin Reference Rate.
What is the tick value of micro bitcoin futures?
The minimum price increment is five index points, which is worth $0.50 per contract. Because the contract covers a tenth of a bitcoin, every $10 move in the bitcoin price is worth $1.00 per contract and every $1,000 move is worth $100 per contract.
Do micro bitcoin futures settle in actual bitcoin?
No. MBT is financially settled in US dollars against the CME CF Bitcoin Reference Rate on the last day of trading. No bitcoin is delivered, so no wallet, exchange account or custody arrangement is involved.
When do micro bitcoin futures expire?
MBT contracts expire on the last Friday of the contract month and settle in cash to the CME CF Bitcoin Reference Rate on the last day of trading. CME lists the nearest six consecutive monthly contracts plus the nearest two December contracts.
Can I trade micro bitcoin futures in a funded account?
That depends on the instrument list attached to your specific program, which is set per account rather than by the exchange. Check the written rules of the account you buy for the permitted symbol list, position limits and any restriction on holding through the daily settlement window.
How many MBT contracts can I trade with a $2,000 daily loss limit?
Divide the loss limit by the dollar risk of your stop. If your stop is $1,500 away in bitcoin price terms, one MBT contract risks $150, so a $2,000 limit mathematically supports thirteen contracts. A workable ceiling is far lower, usually a third of the limit per trade.
Are micro bitcoin futures better than spot bitcoin for day trading?
They are different instruments rather than better ones. MBT gives a regulated venue, a fixed contract size, a known tick value and a scheduled close. Spot trades continuously and has no expiration. The right choice depends on whether your rules require a defined session and a fixed multiplier.
Do micro bitcoin futures trade on weekends?
No. MBT trades Sunday through Friday for nearly 24 hours a day on CME Globex, which means the market is closed for most of Saturday while spot bitcoin keeps moving. Any gap that opens over that break shows up when trading resumes.
Know the contract before you size the trade
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