M2K (Micro E-mini Russell 2000 Futures)
The Micro E-mini Russell 2000 futures contract — exactly one-tenth the size of RTY, tracking the small-cap Russell 2000 index with $5 per index point and $0.50 per tick. Most volatile US index micro on a percentage basis.
What is M2K (Micro E-mini Russell 2000 Futures)?
M2K is the symbol for the Micro E-mini Russell 2000 futures contract, traded on CME Globex. It is the micro-sized version of RTY, with all specifications exactly one-tenth of the standard contract: $5 per index point (vs RTY’s $50), 0.10 index point tick size (same as RTY), $0.50 per tick. Notional value at Russell 2,300 is $11,500 per contract (vs RTY’s $115,000).
M2K launched in 2019 as part of CME’s Micro family. Among the four micro index contracts (MES, MNQ, MYM, M2K), M2K is the most volatile on a percentage basis — small-cap stocks have inherently higher beta than large-caps, and the Russell 2000 reacts more sharply to risk-on/risk-off rotation than the S&P 500 or Nasdaq 100. This makes M2K particularly useful as an early-warning indicator for equity rotation patterns.
The key trading insight: Russell 2000 often LEADS major equity moves. When small-caps break out before large-caps, M2K can produce outsized P&L vs MES on equivalent breakout strategies. Conversely, in risk-off environments, Russell 2000 tends to break down first — making M2K a useful short-side leading indicator. Most professional macro traders watch the Russell 2000 alongside the S&P 500 specifically for this leading-indicator behavior.
How M2K (Micro E-mini Russell 2000 Futures) works
M2K contract specifications (May 2026):
- Symbol: M2K (sometimes M2K1! or @M2K)
- Exchange: CME Globex
- Underlying: Russell 2000 Index (same index as RTY)
- Multiplier: $5 per index point (1/10 of RTY’s $50)
- Tick size: 0.10 index points (same as RTY — different from ES/NQ’s 0.25)
- Tick value: $0.50 per tick
- Contract months: March (H), June (M), September (U), December (Z) — quarterly
- Trading hours: Sunday 6:00 PM ET to Friday 5:00 PM ET, with daily 1-hour break
- RTH: 9:30 AM-4:00 PM ET
- Settlement: Cash settled
- Last trading day: Third Friday of contract month
Margin requirements:
- Day-trading margin: $50 per contract at most prop firms (1/10 of RTY’s $500)
- Initial margin (CME exchange minimum): ~$800 (1/10 of RTY)
- Notional value: $5 × current index level (~$11,500 at Russell 2,300)
Liquidity: M2K daily volume is roughly 30,000-80,000 contracts during active sessions — thinnest of the four micro index contracts. Typical bid-ask spread is 1 tick (0.10 points = $0.50) during RTH, often 2 ticks during overnight or low-volume periods. Sizing above 10-15 contracts may experience slippage during fast moves.
Position-size limits at prop firms ($50K accounts, May 2026):
- Apex $50K: Up to 50 M2K contracts max
- TPT $50K: Up to 50 M2K
- Tradeify $50K: Up to 50 M2K
- Lucid $50K: Up to 50 M2K
When to choose M2K over RTY: (1) small account sizing ($25K-$50K), (2) small-cap-specific exposure for sector diversification, (3) Russell 2000 leading-indicator plays where you want to test the thesis on small size first, (4) multi-leg index baskets covering S&P + Nasdaq + Dow + Russell.
Worked example
Setup: TPT $50K trader monitors small-cap leadership on a risk-on Monday after a Friday relief rally. Strategy: M2K break-and-retest of overnight high; expects Russell 2000 to lead a broader equity rally.
Trade:
- Overnight Russell high: 2,295.00
- 9:35 AM ET: M2K breaks 2,295.00 with confirmation candle, retests 2,294.50
- Entry: long 6 M2K at 2,295.20 on the retest
- Stop: 2,292.00 (3.2-point stop = 6 × 32 ticks × $0.50 = $96 risk)
- Target: 2,305.00 (9.8-point target = 6 × 98 ticks × $0.50 = $294 reward)
- R:R = 3.06:1
Outcome — Russell leads broader market:
- By 10:45 AM ET: Russell 2000 has rallied to 2,308. Target hit at 2,305.
- M2K P&L: 9.8 points × $5 × 6 = +$294
- Meanwhile, the broader S&P 500 (ES) rallied only 0.4% in the same window — Russell led by ~70 bps
- Commission (6 contracts round-trip): ~$15
- Net trade: +$279
Leading-indicator value: The M2K trade also confirmed a broader equity rally was likely sustainable. Traders who saw Russell leading often add ES/MES longs after the M2K confirmation — using M2K as a real-money signal generator rather than just a standalone profit center.
How TPT handles this trader: Standard intraday profile. EOD drawdown gives M2K traders room for the typical 60-90 minute trend continuation that follows Russell breakouts. No friction on M2K-specific strategies.
M2K (Micro E-mini Russell 2000 Futures) vs related concepts
Side-by-side comparison of M2K (Micro E-mini Russell 2000 Futures) against the most commonly confused alternatives.
| Concept | Definition | Category |
|---|---|---|
| M2K (Micro E-mini Russell 2000 Futures) this term | The Micro E-mini Russell 2000 futures contract — exactly one-tenth the size of RTY, tracking the small-cap Russell 2000 index with $5 per index point and $0.50 per tick. Most volatile US index micro on a percentage basis. | Specific Contracts |
| RTY (E-mini Russell 2000 Futures) | The E-mini Russell 2000 futures contract — tracks the Russell 2000 small-cap index with $50 per point and $5 per 0.10-tick. Higher volatility than ES, smaller liquidity than NQ. | Specific Contracts |
| MES (Micro E-mini S&P 500 Futures) | The Micro E-mini S&P 500 futures contract — exactly one-tenth the size of ES, tracking the S&P 500 index with $5 per point and $1.25 per 0.25-tick. The most popular contract for new and small-account traders. | Specific Contracts |
| MNQ (Micro E-mini Nasdaq-100 Futures) | The Micro E-mini Nasdaq-100 futures contract — exactly one-tenth the size of NQ, tracking the Nasdaq-100 index with $2 per point and $0.50 per 0.25-tick. | Specific Contracts |
| MYM (Micro E-mini Dow Futures) | The Micro E-mini Dow Jones futures contract — exactly one-tenth the size of YM, tracking the Dow Jones Industrial Average with $0.50 per index point and $0.50 per tick. Smallest dollar exposure of any major US index futures contract. | Specific Contracts |
| ES (E-mini S&P 500 Futures) | The E-mini S&P 500 futures contract — the most actively traded equity index future in the world, tracking the S&P 500 index with $50 per point and $12.50 per 0.25-tick. | Specific Contracts |
Why traders fail M2K (Micro E-mini Russell 2000 Futures)
Trading M2K like MES with the same stops. Russell 2000 is more volatile than S&P 500 on a percentage basis. A stop sized for MES will get whipsawed on M2K. As a rule: M2K stops should be 1.5-2x the equivalent MES stop in points to account for higher beta.
Ignoring small-cap correlation breakdowns. Russell 2000 occasionally DECOUPLES from broader market (banking-sector-specific stress, regional bank rotation, small-cap-only earnings shocks). Strategies that assume tight correlation with S&P 500 fail on these days. Monitor RTY-vs-ES spread for correlation breakdown signals.
Sizing M2K positions identically to MES without volatility adjustment. 6 M2K = ~$69,000 notional. 6 MES = ~$150,000 notional. Equal contract counts produce different dollar exposures. For equivalent risk-budget, M2K position counts should be larger or stop distances tighter.
Overlooking M2K’s liquidity thin spots. M2K daily volume is roughly half of MNQ and a quarter of MES. Sizing above 15-20 contracts may experience 1-2 tick slippage during fast moves. For larger size, use MES + ES bridge or split M2K orders across time.
Frequently asked questions about M2K (Micro E-mini Russell 2000 Futures)
What is M2K futures?
M2K is the symbol for the Micro E-mini Russell 2000 futures contract, traded on CME Globex. It tracks the Russell 2000 small-cap index at $5 per index point with 0.10 tick size ($0.50 per tick) — exactly one-tenth the size of the standard RTY contract. M2K is the smallest-dollar Russell-exposure contract available.
Why is M2K considered the most volatile micro index?
Russell 2000 tracks small-cap stocks which have inherently higher beta than large-cap stocks. Daily percentage moves on Russell 2000 are typically 30-50% larger than on the S&P 500. M2K therefore has the highest percentage volatility of the four micro index contracts (MES, MNQ, MYM, M2K).
What is the tick value of M2K?
M2K tick value is $0.50. The tick size is 0.10 index points (different from ES/NQ's 0.25, but same as the standard RTY contract). At $5 per index point with 0.10-point ticks, every tick equals $0.50 of P&L per contract.
How does M2K work as a leading indicator?
Russell 2000 often moves before broader-market indices in both directions. In risk-on environments, small-caps tend to rally first as investors rotate into higher-beta names. In risk-off environments, small-caps tend to break down first as flight-to-quality drives selling. Traders watch M2K (or RTY) to anticipate broader S&P 500 moves by 30-90 minutes.
Should I trade M2K or stick with MES?
M2K is worth trading when you specifically want small-cap exposure or want to use Russell as a leading indicator. For pure index following with maximum liquidity, MES is the better default. Many traders run both — MES for size, M2K for sector diversification and rotation signals.
Is M2K liquid enough for prop firm trading?
Yes for positions up to 10-15 contracts. M2K daily volume is roughly 30,000-80,000 contracts during RTH — sufficient for retail-sized prop firm trading. Above 15-20 contracts you may see 1-2 tick slippage during fast moves; split orders or switch to MES for larger size requirements.