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    What to do if you're assigned early on a short option in a multi-leg strategy

    True, the terms of the contract are the key. It's all about the probability of early assignment. If the option can be sold for more than parity, then the market value is greater than the exercise value, so, generally, those options will not be exercised early. Some years ago I experienced a...
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    What to do if you're assigned early on a short option in a multi-leg strategy

    Good post, but disagree on a few points. Yeah, generally, early assignment is great, assuming that the assignee has the capital to cover the UL. I almost always trade this way, although early assignments have been rare. Generally, if the option has a delta of 1, early assignment becomes very...
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    VIX August 31st $13 Calls

    The calls were ITM.
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    VIX August 31st $13 Calls

    Aug. 30th was the last trading day.
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    Pension Funds Selling Puts

    The bottom line here is that these guys are pros and get paid big bucks for investing OPM. They really should know what they're doing, but I realize that that can be an idealistic and naive viewpoint. I couldn't read all of it, but it did mention cash-secured puts, implying no leverage. But...
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    Do you feel obligated to sharing your proprietary research or advice with strangers? Free Advice?

    I sure liked tennis before I blew out my knee. Lots of great strategy and skill to the game; as well as physical ability. Someone asking how to trade is like someone asking how do you play tennis? Um, practice a whole lot and develop your game?
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    October 87 short calls blow up

    "the market can remain irrational a lot longer than you can stay solvent." The Donnap Corollary to this saying is that "the market can remain irrational a lot longer than you can stay rational."
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    option price ex dividend date

    The div. is priced in at the approx. delta if there were no div (just before ex-div). Delta is changed by the div factor. Theoretically, the UL drops by the amount of the div. and that is priced out of the put by the factor of the post div. delta. So, in a theoretical world, there is no gain...
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    Earnings Next Week - The Four Horsemen

    Nice trade, nice close! I wouldn't have taken that trade, but good job.
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    Understanding IB's commission

    Sure and I didn't mean to sound abrupt - just busy. Scroll down the page and it shows additional fees. You can hit the BATS or PSE to see their remove liquidity fees. Believe me, nobody likes to pay more comms than they expect. I mostly trade FOPs now with a fixed rate...
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    Understanding IB's commission

    I am defending them. Nowhere on the equity option comm. page does it mention a fixed rate. The .70 is a base price. On the comm. page it clearly shows exchange fees, reg. fees, transaction fees and OCC clearing fees. When I traded equity options with them, my average comm. was about .50 per...
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    BREXIT

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    Margin calc interpretation

    It's not a matter of what's fair. The margin for selling options is arbitrary. What would be fair is if the margin was only the market price of the options. But brokers have to protect themselves from traders that go overboard with leverage. So they set a higher margin. This is based on a...
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    Margin calc interpretation

    It just means a $250 minimum margin, if that amount is greater than the margin calc.
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    Strangle Management?

    Totally, man. And you never stop learning. We used to have a joke on the old yahoo option boards that went something like, "I hope I don't learn anything today." heh, heh.
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    Straddles, are they ever profitable?

    Generally, the synthetic ATM straddle will be 1/2 size of a straddle using two .5 delta options instead of the UL. Long 200s, long four .5 delta puts is equivalent to +2C, +2P ATM straddle. This is a generality, as there are exceptions.
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    Short ES Put Spread

    Yeah, even with a desktop, the P/L is often messed up. Account balance during RTH is often a good indicator of P/L, but with recent wider spreads, option valuations may be messed up. For me, I like to know my position and often can approximate P/L in my head. Still, it ain't over 'til it's...
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    Balancing DITM with Expiration

    That is the key as to why it's not a good idea. To trade DITM intraday or overnight is inviting too much slippage. That's the reality of the marketplace. You're better off trading the UL smaller size. Theoretically, you should trade the nearest expiry with the most liquidity. Many equities...
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    Balancing DITM with Expiration

    About fiddy cents.
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