Mark Sebastian is a former member of both the Chicago Board Options Exchange and the American Stock Exchange. He is the founder of, a Chicago-based option education firm, and author of The Option Trader's Hedge Fund. Sebastian is also the managing editor for Expiring Monthly: The Option Traders Journal an all digital, all options magazine. He has a Bachelor's in Science from Villanova University. Expand

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| Aug 06, 2015
| 3:48 PM EDT
I'll be hosting a webinar with fellow contributor of TheStreet Bob Lang at 4:30 p.m. ET today. We will be disc...
The time to be complacent and unhedged is over.
| Oct 15, 2014
| 12:34 PM EDT
We have seen a pattern of down days turning into major sell offs into the last hour of the day. There are man...
| Oct 01, 2014
| 2:49 PM EDT
What is fascinating about today is that adjusted for the move in the SPX the VIX is actually down on the day. ...
| Sep 25, 2014
| 11:30 AM EDT
For the past week the VIX has been slowly rallying, vastly outperforming movement in the overall market. With...
| Sep 23, 2014
| 12:26 PM EDT
With the RUT now up on the day, I think the market has hit a near-term bottom and is likely to meander back to...
| Sep 09, 2014
| 1:56 PM EDT
For those of you interested in what AAPL option prices are doing as the event happens, trade VXAPL which is th...
| Sep 05, 2014
| 1:20 PM EDT
I am honestly surprised, with all the Jobs data out, a deal in Ukraine and NATO coming together against ISIS t...
| Aug 07, 2014
| 12:02 PM EDT
The SPX 100 DMA is 1913.78, that is a key level today. The 100 Day continues to be a market trampoline, and if...
| Aug 06, 2014
| 11:33 AM EDT
Very rarely do I buy into technicals, but there clearly is support at the 100-Day Moving Average. That level h...


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