Micro futures changed prop firm trading. Before micros existed, you were trading full-size ES at $12.50 per tick on a 50K account with a $2,000 drawdown. One bad trade could eat 10% of your cushion. Now you can trade MES at $1.25 per tick and give yourself 10x more room for error.

Every major futures prop firm allows micro contracts. But the rules around micros — position limits, equivalency ratios, and which specific products are available — differ by firm. Here’s the full picture.

How micro equivalency works

Every prop firm uses the same standard: 10 micro contracts = 1 mini/standard contract. This is universal across Apex, Topstep, MFF, Bulenox, TradeDay, and Take Profit Trader.

If your account allows 4 contracts, that means:

  • 4 ES (full-size), or
  • 40 MES (micro), or
  • 2 ES + 20 MES, or
  • Any combination totaling 4 mini-equivalents

Available micro products

Equity indices: MES (S&P 500), MNQ (Nasdaq), MYM (Dow), M2K (Russell 2000)

Energy: MCL (Micro Crude Oil)

Metals: MGC (Micro Gold) — note: suspended on Apex as of March 2026

Currencies: M6A (Micro AUD), M6B (Micro GBP), M6C (Micro CAD), M6E (Micro EUR)

Crypto: MBT (Micro Bitcoin)

Micro equity index contracts (MES and MNQ in particular) now account for over 45% of all equity index futures volume. MNQ alone does about 2.2 million contracts per day. MES does about 1.6 million. Liquidity is not an issue on any micro product during regular US trading hours.

Firm-by-firm micro rules

Apex Trader Funding: Micros allowed on all accounts. Position limits per scaling tier use the 10:1 equivalency. On a 50K PA at Level 1 (2 contract limit), you can trade up to 20 micro contracts. Note: gold and metals micros (MGC) are currently suspended.

Topstep: Micros allowed. On TopstepX platform, 1 mini = 10 micros with proper fungibility. On older third-party platforms (no longer available for new accounts), micros sometimes counted as 1 lot each — but since TopstepX is now the only option, this isn’t an issue anymore.

MyFundedFutures: Micros allowed on all plans. Same 10:1 conversion. No specific restrictions on micro vs mini during evaluation or funded phases.

Bulenox: Micros allowed on all accounts. The $10K account (their smallest) is micro-only — limited to 5 micro contracts maximum. All other account sizes allow both micro and mini contracts. Full micro suite available: MES, MNQ, MYM, M2K, micro currencies, MCL, MGC.

TradeDay: Micros allowed. Position limits by account size: 50K = 5 minis or 50 micros, 100K = 10 minis or 50 micros (capped), 150K = 15 minis or 50 micros (capped). The 50 micro cap is worth noting — even if your mini-equivalent limit would allow more, TradeDay caps micro contracts at 50 regardless.

Take Profit Trader: Micros allowed. Fixed max contracts from day one (no scaling): 25K = 3 minis = 30 micros, 50K = 6 minis = 60 micros, 100K = 12 minis = 120 micros.

Why micros are usually the better choice on funded accounts

Precision sizing. On a 50K account with 2 contract limit (Apex PA Level 1), your choices with full-size contracts are: 0, 1, or 2 ES contracts. That’s a $12.50 per tick difference between positions. With micros, you have 21 possible position sizes from 0 to 20 MES. You can risk exactly $6.25 (5 MES), $8.75 (7 MES), or $11.25 (9 MES) per tick. That granularity matters when your drawdown is $2,000.

Smaller drawdown impact. A 10-tick stop on 2 ES contracts costs $250. The same stop on 10 MES contracts costs $125. Both positions have similar market exposure per tick, but the MES version risks half the dollars. On a tight prop firm drawdown, every dollar matters.

Better for intraday trailing drawdown. On firms with intraday trailing (Apex, MFF Rapid), every unrealized profit tick raises your floor permanently. Micro positions create smaller equity peaks, which means less floor movement during a trade. Your $50 unrealized gain on 5 MES barely moves the floor. The same percentage gain on 1 ES ($62.50) moves it more and locks in higher.

Scaling flexibility. On Apex PAs with tier-based scaling, you might start at 2 contract max and need to reach $3,000+ profit before unlocking 4 contracts. With micros, you can start at 10-15 MES and gradually increase to 20-40 as your balance and tier improve. With full-size contracts, you’re stuck at 1-2 ES with no intermediate sizes.

The micro-only strategy for beginners

If you’re new to prop firms, trade exclusively in micro contracts for your first 3-6 months. Here’s why:

  1. Lower per-trade risk lets you survive more mistakes while learning funded account rules
  2. More contracts means more flexibility in scaling in and out of positions
  3. Your account balance doesn’t swing as dramatically, reducing emotional pressure
  4. The drawdown floor moves more slowly on micro positions, giving you more breathing room

Most successful funded traders start with micros, build a profit cushion of $1,500+, and only then consider moving to mini contracts. There’s no shame in trading micros — they represent nearly half of all index futures volume for a reason.

When to switch to full-size contracts

Move to minis when:

  • Your funded account balance is $3,000+ above the safety net (enough cushion to absorb larger per-trade losses)
  • Your scaling tier allows enough contracts for your strategy
  • You’ve successfully completed at least 2-3 payouts on micros (proving the strategy works under funded account rules)
  • The per-tick math on minis makes sense for your stop loss size (a 15-tick stop on ES = $187.50 — can your drawdown handle that?)

Many long-term profitable prop firm traders never switch to full-size. They trade 10-30 MES contracts instead of 1-3 ES contracts and achieve similar results with more granular risk control. The ego wants to trade “the big contract.” The math usually favors micros.

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