Margin Requirements: Rapid Fire
Chapters in this video
- 0:00 What futures margin actually is: performance bond versus loan
- 0:57 Who sets levels: exchanges, not the Fed or CFTC
- 2:13 Initial requirement: the bouncer at the door
- 2:42 Maintenance requirement: the lower floor
- 3:12 Withdrawal floor rule and excess equity
- 3:37 Margin call mechanics: below maintenance, restore to initial
- 4:49 Hedger versus speculator: offset via cash position
- 5:25 Spread trader: offset via futures legs
- 5:48 Rapid-fire exam gauntlet: the four testable facts
What this video covers
- The difference between securities margin (a loan under Regulation T, buyer-only, interest accrues) and futures margin (a performance bond, both long and short post it, no loan and no interest)
- Who sets futures margin levels: the exchanges acting through the clearinghouse, not the Federal Reserve or the Commodity Futures Trading Commission (CFTC)
- That an exchange can retroactively increase margin requirements on positions already open, not merely on new trades
- How the initial requirement (to open) and maintenance requirement (to keep open) create two distinct thresholds, and how the withdrawal floor sits at initial not at maintenance
- The exact margin call mechanics: triggered when equity falls below maintenance, but funded to restore equity to the initial requirement
- Why a bona fide hedger posts less margin than a speculator, because an offsetting cash position cuts net risk
- Why a spread trader posts less margin than two outright positions, because offsetting long and short futures legs largely cancel market-wide moves
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