OC, This subject interests me profoundly(IOW..I gotta get a life coz I got nothing better to do on a Sunday than bang out XL simulations) . I relize you trade ES but a real life simulation of SPy would illustrate the point I am trying to make.
SPY at $135.
1st trade S 10 SPY Oct 136 call / B 10 SPY 140C
2 sigma move at 10% IV
Price range 128.60 to 141.40
Pnl range $815 @ $128.6 -3177 @$141.40
10 days from initial trade SPY goes to 138 which is 50% into the vertical of 136/140
To fly off this bleed you'd need to
B 10 135Cat $3.4
S 10 136C @$2.45
B 10 137C @ 1.65
S 10 140C @.25
This would give you a 10 lot 135/136/137 fly
Advance to Oct expiration, here is the underlying/pnl matrix keeping iv constant.
128.6 -1478.80
129.4 -1478.80
130.2 -1478.80
131 -1478.80
131.8 -1478.80
132.6 -1478.80
133.4 -1478.80
134.2 -1478.80
135 -1478.80
135.8 -678.80
136.6 -1078.80
137.4 -1478.80
138.2 -1478.80
139 -1478.80
139.8 -1478.80
140.6 -1478.80
141.4 -1478.80
This is what IV, Maverick and I (the former two very knowlegable) option traders are trying to point out to you .Hope this helps. Good luck on your position... NOw gotta go to resume my search for a life...lol
SPY at $135.
1st trade S 10 SPY Oct 136 call / B 10 SPY 140C
2 sigma move at 10% IV
Price range 128.60 to 141.40
Pnl range $815 @ $128.6 -3177 @$141.40
10 days from initial trade SPY goes to 138 which is 50% into the vertical of 136/140
To fly off this bleed you'd need to
B 10 135Cat $3.4
S 10 136C @$2.45
B 10 137C @ 1.65
S 10 140C @.25
This would give you a 10 lot 135/136/137 fly
Advance to Oct expiration, here is the underlying/pnl matrix keeping iv constant.
128.6 -1478.80
129.4 -1478.80
130.2 -1478.80
131 -1478.80
131.8 -1478.80
132.6 -1478.80
133.4 -1478.80
134.2 -1478.80
135 -1478.80
135.8 -678.80
136.6 -1078.80
137.4 -1478.80
138.2 -1478.80
139 -1478.80
139.8 -1478.80
140.6 -1478.80
141.4 -1478.80
This is what IV, Maverick and I (the former two very knowlegable) option traders are trying to point out to you .Hope this helps. Good luck on your position... NOw gotta go to resume my search for a life...lol

But good discussion nonetheless.