Listing (Nasdaq Trader)
Symbol Directory: DUSA →Listing ExchangeCboe BZX (Z)
Market Category—
ETFYes
Round Lot Size100 shares
Financial StatusNormal (N)
Test IssueNo
Listing Since2026-09-20 05:30:00 UTC
SEC Ticker EquivalentDUSA
Regulatory Flags (Nasdaq Trader)
Symbol: DUSASEC Regulation SHO Threshold Security Days
Securities with persistent aggregate fail-to-deliver positions exceeding SEC Rule 203(c)(6) thresholds.
Days on List (Last 90 Trading Days)0 days
Total Historical Threshold Days46 days
First Seen on Threshold List2006-05-02
Most Recent Threshold Date2017-04-27
Rule 201 Short Sale Circuit Breakers Triggered
Alternative uptick rule (Rule 201) triggered by a ≥10% price decline from previous day's close (most recent first, up to 50 triggers).
| Trade Date | Trigger Time (ET) |
|---|---|
| 2020-03-19 | 2020-03-18T14:22:27 |
| 2020-03-18 | 2020-03-18T14:22:27 |
| 2020-03-17 | 2020-03-16T09:45:01 |
| 2020-03-16 | 2020-03-16T09:45:01 |
| 2011-11-11 | 2011-11-10T09:41:20 |
| 2011-11-10 | 2011-11-10T09:41:20 |
| 2011-11-02 | 2011-11-01T13:14:05 |
| 2011-11-01 | 2011-11-01T13:14:05 |
| 2011-08-18 | 2011-08-17T15:20:05 |
| 2011-08-17 | 2011-08-17T15:20:05 |
| 2011-08-03 | 2011-05-16T10:51:02 |
| 2011-08-02 | 2011-08-02T09:46:18 |
| 2011-07-08 | 2011-05-16T10:51:02 |
| 2011-07-07 | 2011-07-07T15:17:02 |
| 2011-05-17 | 2011-05-16T10:51:02 |
| 2011-05-16 | 2011-05-16T10:51:02 |
| 2011-04-27 | 2011-04-26T10:17:25 |
| 2011-04-26 | 2011-04-26T10:17:25 |
Nasdaq Trader Listing Event History
1 event recorded| Date | Source | Event Kind | Description |
|---|---|---|---|
| 2026-09-20 | nasdaqtraded.txt | FIRST_SEEN | Initial listing on Cboe BZX |
Nasdaq Trader daily captures since 2026-09-20