09/06/2026
Nasdaq price action over the past month has been unlike anything I found in 30 years of data.
From July 29 through August 4, the Nasdaq-100 rallied 9.77%, moving about 2,655 points in five cash sessions.
Then the market essentially stopped expanding.
I went back through 30 years of Nasdaq-100 daily data and compared this move with other ≥9% climactic five-day rallies.
Here’s what stands out:
• Next 23-day range / initial impulse
Historical median: 1.45
Current episode: 0.50
• Average daily range / impulse-week average
Historical median: 0.87
Current episode: 0.43
• Sessions completely inside the final climax bar
Historical median: 0%
Current episode: 56.5%
That last number is especially unusual.
The final bar of the five-day rally was August 4, with a range of 29,109 to 29,831.
This time, 13 of the next 23 sessions traded completely inside that one daily bar.
Historically, the market usually leaves the climax bar behind.
This time, it became the market’s home for the next month.
Average daily range also collapsed from about 656 points to 284 points — a 57% contraction.
The nearly 10% rally was not the unusual part.
The unusual part was the collapse in range that followed.
For systematic and portfolio traders, this matters because historically abnormal market regimes can create drawdowns in strategies that normally depend on range expansion and follow-through.
That does not mean we know exactly when volatility will return.
But periods like this can create potentially more interesting portfolio entry points than waiting until the market normalizes and equity curves have already recovered.
I put the full 30-year study, charts, historical comparisons and methodology here:
https://capstonetradingsystems.com/blogs/trading-systems-market-update/nasdaq-price-action-we-have-not-seen-in-30-years