Data on the NASDAQ 100 (NDX) shows a strong tendency for the last two hours of trading after a Fed decision to reverse in the week that follows. The most dramatic recent case: on the last Fed decision, on a close-to-close basis the NDX fell 2% that day, then gained nearly 9% over the next five trading days. This is reflexivity in action, visible to active traders and options users.
On the current Fed day, the NDX opened higher, then turned down 4/10 of a percent, with all sectors going red.
Fed transparency and market sensitivity
Close-to-close moves around Fed decisions have grown more meaningful this year, especially since Kevin Warsh came in. The Fed now looks committed to less transparency than every chair since Greenspan. Markets dislike uncertainty, and the chance of more of it going into these events - set against a persistent inflation fear - is a real problem. Whether this stems from investors being more sensitive to policy because they have less forecasting information, or from positioning going into the event, remains to be seen.
Reading the options market
When the future is uncertain over a given time frame, look at what the options market forecasts, then possibly reframe your view. Index options are good at this. Coming into the Fed day, the NDX at-the-money straddle forecast an up-down range of 1% (as of the prior day), and the actual move landed right in line with that. On this day the market got exactly what it wanted, no surprise.
Term structure of volatility
Right now, implied volatility on the NDX is muted, sitting in the high teens for the better part of the past month, with realized volatility even lower. Near-term volatility trades around 19%. Looking a handful of months out, it rises into the mid-20s, producing a steep term structure. Catalysts further out drive this: the election, with uncertainty over how specific sectors behave after it, and the higher-for-longer rate scenario and its effect on discounted cash flow and the fundamental story. The options market signals that volatility can be low now but tends to revert toward normal over a longer window - for the NDX, that normal sits in the low to mid-20s.
Software versus semis dispersion
A teeter-totter between software and semiconductors has run for most of this year and keeps widening in size. On Monday the spread between the two hit its largest percentage gap, with software sharply outperforming hardware/semis. This reflects high dispersion and low correlation at the index level, clearly present in 2026 and over a longer stretch too.
Daily-move data going back to ChatGPT's launch in late 2022 tracks this: when the line sits above zero, software - measured by the IGV - is outperforming, as it did dramatically on Monday; when below zero, semis (SOX) are outperforming. The narrative has flipped several times over this four-year window. Even so, at the index level this back-and-forth has been volatility-suppressive, because the two offset each other. That will change at some point.
The trading takeaway
Sophisticated end users can go long optionality in specific sectors, capture the benefit from moves there, and offset some of that premium risk using index options. Smart money and institutions have done this for years. With the spread of expertise, it is now more reachable for ordinary traders and much of the retail audience.
