C1, Cboe Options Exchange
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Cboe Options Exchange will replace the current manual halt process with an automated system halt process for SPX and VIX options.
Cboe Curb session, Cboe Options Exchange
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Effective September 27, 2021, Cboe Options Exchange will be introducing a brief Curb session operating from 4:30 p.m. to 5:00 p.m.
Cboe Options Exchange, fat finger
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Cboe Options Exchange will eliminate Fat Finger price checks for all floor-based Multi-Class spread limit orders, other than SPX versus SPXW spread limit orders.
Cboe Options Exchange, Mini-Russell 2000 Index options
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Cboe Options Exchange plans to list Mini-Russell 2000 Index Options (MRUT) beginning March 1, 2021.
Cboe Options Exchange, Cboe trading hours, Cboe trading model
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Cboe plans to launch a 24×5 trading model mid to late Q4 2021 contingent upon completion in July of the OPRA Pillar migration.
