All six of them landed with the VIX above 28.
Direxion Daily Semiconductor Bear 3X Shares (SOXS) traded up to $62.32 in pre-market this morning. Measured off the $31.70 all-time low it set on June 30, that is a 96.5% spike, and it is the seventh one in the fund's history.
The six before it are what make this one worth flagging. Not one of them happened with the VIX below 28. This morning the VIX is 18.90.
SOXS started trading in March 2010. Counting this morning, it has cleared 96.5% above an all-time low on seven occasions. That works out to roughly one every 587 trading days. Before today the most recent was April 3, 2025, which was 317 trading days ago.
Look at where the VIX was on each of them. Across the six it averaged 45.50. The lowest was 28.38, in August 2015, and the highest was 76.83, in March 2020. Sorted into the usual buckets, with this morning included:
| Date | VIX at spike | Days to next ATL |
|---|---|---|
| Jul 28, 2026 | 18.90 | Open |
| Apr 3, 2025 | 30.02 | 24d |
| Aug 5, 2024 | 65.73 | 115d |
| Jan 28, 2022 | 32.82 | 201d |
| Mar 12, 2020 | 76.83 | 10d |
| Aug 21, 2015 | 28.38 | 142d |
| Aug 5, 2011 | 39.25 | 107d |
SOXS is a 3x inverse fund tied to the semiconductor index. A 96.5% rise means the underlying index fell hard and fell fast. Damage of that scale has historically appeared only when the broader market was already under stress, with the VIX either elevated beforehand or rising sharply through the move. That element is missing this time.
Select a spike percentage, and the tool then shows how many times that spike level has been reached, how often it occurs on average, and how many trading days ago the last occurred.
Open the Spike Analyzer
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