The Russell 2000 Index (RUT) closed at $507 today. This is near perfect positioning for our June iron condor with spreads at 410/420 and 570/580. Each of the short strikes are over seven standard deviations away from the current index. Barring a $30 to $40 move in the RUT tomorrow, we will allow these spreads to expire worthless. This saves us about $300 in remaining time value and commissions on this position. However, that is not sufficient savings to incur much risk at all. Which is why we would often have closed our condors before now. But we now only have one full day of trading and Friday morning's opening left in front of us and yet we have several standard deviations of safety margin. Hence, the rule: if we have less than two standard deviations of safety margin on either spread on the Friday before expiration, close the spreads on that side.

Our July iron condor on RUT at 460/470 and 560/570 is in good shape, with a position delta of 11. We want to keep our position delta low because this is a measure of how much gain or loss our position will incur with each dollar move in RUT. Position delta helps us monitor and quantify the risk of our position due to price movement in the underlying index.