Apple Inc. (AAPL) Single-Stock Futures — the Honest Math
CME lists futures on Apple Inc.: the standard contract SAAPL covers 100 shares, and the micro contract XAAPL covers 10 shares. Cash-settled, tradeable ~23 hours a day.
What the margin requirement actually means
Initial margin is 15% of notional — but for security futures, maintenance margin equals initial margin. There is no cushion: any adverse move puts the position below requirement. To hold a swing trade with a 12% stop to its stop without a margin call, plan on posting roughly 27% of notional (margin plus the full stop distance), not 15%.
Costs and taxes
Retail round-trip fees run roughly