Quote from nitro:
...If the market breaks down again, I may sell it, but at this point it is unlikely.
A couple of IMs expressed confusion - why get out if I "belive in my model and my model says "FV" is considerably lower than here?"
I have made a slight modification to the way I trade this system, and it involves using options instead of underliers. Let me explain. I believe that you have to trade with institutions when it is right, and with MMs when that is right. Because I believe institutions were getting exhausted and the volume showed that we were transitioning from an institutional buying regime into a hybrid MM+institution trading regime, the correct way to be tradig SIFs at this point imo is with options, not the underlying. That allows you to gamma scalp small moves, or, let deltas run after that. You then will participate on the big directional selloffs, and in addition to, when the dip buyers coming back in.
Of course, there is no free lunch in non-arbitrage situatons, so the price you pay is you don't get payed for the first 1 STD move in the underlier [I explain gamma scalping a bit below], but markets are range bound with strong preference for the long side, and we are waaay away from "FV". Combine those two considerations, and unless you are perfect in your timing, on these time frames you are on average better off playing this market more like an options trader than someone who trades the underlier. It _almost_ allows for you to have your cake and eat it too.
Notice that this strategy doesn't violate me trading against "FV". Why not?
Ok, let's explain gamma scalping a little bit. Lets take an options position that is long gamma, like long an ATMF (at the money forward) straddle. Since you are long gamma, you are paying premium [not 100% true, but for our purposes it is]. The breakeven point for the day to pay your theta bleed is a 1 STD move in the underlier. So unless the underlier moves at least 1 STD for that day, you are on your way to losing money on a long gamma position [again not 100% true, but it is for our purposes.] So lets say SPX moves 1 STD and for the sake of argument, let's say it sells off 1 STD by 10:00 AM. Then what? We have now payed for our daily theta _if_ we hedge. But you say, we don't trade to break even. True, here is what we do. By hedgeing our deltas by buying or selling the underlying (in this case buying deltas because the market sells off), if the market moves in _either_ direction from here, this is our profit. So, if the market continues to sell off, we are now collecting on negative deltas, and if dip buyers come back in, we make money collecing on positive deltas. At the end of the day, or if you get another 1 STD move from here in either direction, you go back to "delta neutral" once again. That is the beauty of this strategy, and when you can identify a trading regime where markets are odds on to move 1 STD, _and_ in addition the market is not likely to die off at the 1 STD move, in either direction, long gamma trading works great. The other danger is that you buy vola at the wrong level, but that is not likely for me, at least historically it is.
I further enhance the long straddle (I don't use a straddle, but it is a perfectly reasonable position to use) by favoring the downside, so it is not quite as above, but it is almost. Finally, I am only in the long gamma position if I believe we are due for a selloff. The gamma scalping protects me from dip buyers.