Listing (Nasdaq Trader)
Symbol Directory: TDSC →Listing ExchangeNasdaq (Q)
Market CategoryGlobal Market (G)
ETFYes
Round Lot Size100 shares
Financial StatusNormal (N)
Test IssueNo
Listing Since2026-09-20 05:30:00 UTC
SEC Ticker EquivalentTDSC
Regulatory Flags (Nasdaq Trader)
Symbol: TDSCSEC 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 Days301 days
First Seen on Threshold List2006-07-20
Most Recent Threshold Date2008-09-30
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) |
|---|---|
| 2011-04-29 | 2011-04-28T09:32:07 |
| 2011-04-28 | 2011-04-28T09:32:07 |
| 2011-04-12 | 2011-04-11T10:00:24 |
| 2011-04-11 | 2011-04-11T10:00:24 |
Nasdaq Trader Listing Event History
1 event recorded| Date | Source | Event Kind | Description |
|---|---|---|---|
| 2026-09-20 | nasdaqtraded.txt | FIRST_SEEN | Initial listing on Nasdaq (Global Market) |
Nasdaq Trader daily captures since 2026-09-20