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MATR

NYSE Arca ETF / ETP
Harbor Multi-Asset Explorer ETF
SEC Ticker Form: MATR

Listing (Nasdaq Trader)

Symbol Directory: MATR →
Listing ExchangeNYSE Arca (P)
Market Category—
ETFYes
Round Lot Size100 shares
Financial StatusNormal (N)
Test IssueNo
Listing Since2026-09-20 05:30:00 UTC
SEC Ticker EquivalentMATR

Regulatory Flags (Nasdaq Trader)

Symbol: MATR

SEC 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 Days6 days
First Seen on Threshold List2018-07-03
Most Recent Threshold Date2018-07-11

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 DateTrigger Time (ET)
2018-02-162018-02-15T09:30:00
2018-02-152018-02-15T09:30:00
2017-08-112017-08-10T09:39:14
2017-08-102017-08-09T11:02:20
2017-08-092017-08-09T11:02:20
2017-05-112017-05-10T10:02:04
2017-05-102017-05-10T10:02:04
2016-11-042016-11-03T09:39:31
2016-11-032016-11-03T09:39:31
2016-08-102016-08-09T15:29:14
2016-08-092016-08-09T15:29:14
2016-05-062016-05-05T10:17:28
2016-05-052016-05-05T10:17:28
2016-03-092016-03-08T09:35:33
2016-03-082016-03-08T09:35:33
2016-02-122016-02-11T14:05:40
2016-02-112016-02-11T14:05:40
2016-01-132016-01-12T15:39:26
2016-01-122016-01-12T15:39:26
2015-08-252015-08-24T15:24:34
2015-08-242015-08-24T15:24:34
2015-01-162015-01-15T14:21:36
2015-01-152015-01-15T14:21:36
2014-10-092014-10-08T13:25:54
2014-10-082014-10-08T13:25:54
2014-07-252014-07-24T10:13:35
2014-07-242014-07-24T10:13:35
2014-05-082014-05-07T11:56:47
2014-05-072014-05-07T11:56:47
2013-09-302013-09-27T12:40:22
2013-09-272013-09-27T12:40:22
2013-02-152013-02-14T09:41:18
2013-02-142013-02-14T09:41:18
2013-01-292013-01-28T15:29:25
2013-01-282013-01-28T15:29:25
2012-08-202012-08-17T13:03:49
2012-08-172012-08-17T13:03:49
2012-08-162012-08-15T15:35:08
2012-08-152012-08-15T15:35:08
2012-08-102012-08-09T09:30:00
2012-08-092012-08-09T09:30:00
2012-05-222012-05-21T10:03:20
2012-05-212012-05-21T10:03:20
2012-05-142012-05-11T09:35:03
2012-05-112012-05-11T09:35:03
2012-04-112012-04-10T09:30:00
2012-04-102012-04-10T09:30:00
2012-02-222012-02-21T12:51:57
2012-02-212012-02-21T12:51:57
2011-12-152011-12-14T12:44:06

Nasdaq Trader Listing Event History

1 event recorded
DateSourceEvent KindDescription
2026-09-20nasdaqtraded.txtFIRST_SEENInitial listing on NYSE Arca

Nasdaq Trader daily captures since 2026-09-20