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FB

Cboe BZX ETF / ETP
ProShares S&P 500 Dynamic Buffer ETF
SEC Ticker Form: FB

Listing (Nasdaq Trader)

Symbol Directory: FB →
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 EquivalentFB

Regulatory Flags (Nasdaq Trader)

Symbol: FB

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)
2022-05-252022-05-24T09:46:40
2022-05-242022-05-24T09:46:40
2022-02-042022-02-03T09:30:01
2022-02-032022-02-03T09:30:01
2020-03-172020-03-16T09:45:01
2020-03-162020-03-16T09:45:01
2018-07-272018-07-26T09:30:00
2018-07-262018-07-26T09:30:00
2015-08-252015-08-24T09:30:00
2015-08-242015-08-24T09:30:00
2012-09-252012-09-24T12:37:35
2012-09-242012-09-24T12:37:35
2012-07-302012-07-27T09:30:00
2012-07-272012-07-27T09:30:00
2012-05-302012-05-29T14:16:07
2012-05-292012-05-29T14:16:07
2012-05-222012-05-21T09:41:00
2012-05-212012-05-21T09:41:00

Nasdaq Trader Listing Event History

1 event recorded
DateSourceEvent KindDescription
2026-09-20nasdaqtraded.txtFIRST_SEENInitial listing on Cboe BZX

Nasdaq Trader daily captures since 2026-09-20