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2700 of the 3350 puts customer buy was the first print I got read to me. The first group sold MM and a good chunk sold by firm. 1500 in a group of trades done by MM's - 1200 firm facilitation. Should have more color on Tuesday. Had someone read me the OPRA tape.

I'll look on Tuesday. Too big for auto, but I'll see.

"Was hoping you would have the answers. You're the connected one, not me." I'll make a call on Tuesday. Did the OPRA print show any "conditions" - that is public?

The trading venue will, most likely, post an obvious error notification on the website.

@FSU Any friends at OCC? Not implying anything illegal or immoral, well perhaps I am, LOPRs leak all the time. Any qualifying fields in the print?

"Sadly, you are not reading it correctly. You may want to reread your original post.

Will you do the arb?

Splunk's shares were trading up more than 21% at $145.04, below the offer price of $157, reflecting some uncertainty about regulatory scrutiny. Cisco's shares were down 4%.

"I inherited $10,000,000 from my mom and pop, who were public school teachers who left me their Berkshire Hathaway stock. I sold it, and after day trading for 5 years, I am now a millionaire. I have only one million left. Join my discord for live trading calls! Only $99/month!" Am I reading...

The working paper

Data reveals patterns that can be explained no other way, researchers say witching day manipulations By Rob Mannix. Is someone manipulating options markets on expiration days? A controversial new study says the evidence suggests they are. Researchers have found signs in the settlement pricing of...

https://www.reuters.com/markets/deals/cisco-acquire-splunk-28-billion-2023-09-21/#:~:text=Sept%2021%20(Reuters)%20%2D%20Cisco,the%20boom%20in%20artificial%20intelligence.

@Darc You appear to be confusing what they do now with how they started. I would get a copy of one of the books and understand the journey.

Zelenskiy Meets With Ken Griffin, Bill Ackman in Bid for Funds to Rebuild Ukraine; Griffin, Ackman among those that met with Ukraine president; The gathering was arranged by JPMorgan executive Mary Erdoes Katherine Burton - Bloomberg Ukraine President Volodymyr Zelenskiy met Wednesday with US...

Editorials Editorial: The Ed Tilly scandal at the Cboe is bad news for Chicago By The Editorial Board Chicago Tribune • Published: Sep 20, 2023 at 12:37 pm Edward Tilly, shown in 2017, has stepped down as chairman and CEO of the CBOE trading exchange. (Nancy Stone/Chicago Tribune) Ed Tilly...

Ken Griffin began trading out of his college dorm room - borrowed from his folks. Stevie Cohan has a similar story. Blair Hull. Just to name a few. A common thread, generally, was the value of what they studied. Many were math jocks. Doesn't it mean it was common or easy. Everybody starts...

Renaissance Technologies CEO says Investing is ‘Giant Problem in Math’ Share Tweet Share Peter Brown, chief executive of Renaissance Technologies, said the hedge fund that pioneered using quantitative strategies and predictive models for investing, hires mathematicians, physicists and computer...

Cboe stock rises as CEO's sudden exit fuels CME merger speculation https://www.chicagobusiness.com/finance-banking/cboe-ceos-exit-fuels-cme-merger-speculation Paywall

Cboe's CEO Resigns Over Undisclosed Personal Relationships; Tilly's departure comes after probe launched last month; Former TD Ameritrade CEO Tomczyk to take over top job Sally Bakewell - Bloomberg Cboe Global Markets Inc. said Edward Tilly has resigned following an investigation that determined...

"this was the only post on the options forum today…." A number of the larger SSAs went apeshit over derivatives commentary on social media - effective 9/15 - we'll see if it holds.