Quote from pattyloo:
nkhoi - i like what you're saying.
can you spell it out for me:
let's say I have a 10K account balance all cash
I go long one 6E contract, which is worth 180K this am (or whatever it's worth - it's much more than my acct bal).
The contract goes down 1 tick intraday, and i'm still holding this eve
I need to sell it to pay back the margin by midnight tonight (right?),
how much do i lose of my actual cash account balance?
Thanks to all for the handholding for this newbie.
Here's the process:
You go long one 6E contract. Depending on your broker, you put down between $500 and $2000-ish as a "performance bond" when your order executes. A performance bond is not "margin," because you do not go into debt. In fact, you may be able to receive interest on your unused balance.
Every day the contract is re-adjusted and the difference added/subtracted to your account. As long as your total account balance minus your performance bonds for other (non-6E) positions is greater than your bond requirements, you stay in the contract until you sell out of the position.
In the case you mentioned, a tick is roughly $18 based on a $180,000 contract value, so your account balance would be $10,000-$18 = $9,982 (before commissions). Since $9,982 is greater than even a strict $2,000 bond requirement, you don't have to put up any more money. If your position declined by 444 ticks, however, your equity would be $10,000 - $7,992 = $2,008, which would put you close to the "margin call" requirement.
Futures differ from options in that the risk profile is symmetric - the upside and downside risks are, for practical purposes, infinite. What most futures traders do to "cut off the tail" is create a synthetic call/put by going long/short a futures contract and placing a short/long stop loss order some distance away. The problem is that stop losses incur slippage, so your risk is not perfectly defined.
However, futures are generally more liquid than options, and don't have time value issues other than an adjustment to "roll" from one expiring contract to the new one.