Career SPX market maker. See how options move markets with VS3D™ by VolSignals— the only dealer hedging flows platform built entirely by market makers.

Naples, FL
Joined September 2019
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The levels were there before the open. Today’s SPX session against the tests and balance levels I shared in VS Pro. Get the levels daily, with the morning meeting and intraday commentary: volsignals.com/vs-pro Not financial advice.
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Replying to @JamieAsks
hah yes all good just a daytrade turned into an "investment" (writedown) - cheers hope you're doing well
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RTM just nails in my selloff coffin
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I knew it was the wrong move at 11:30 oof
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me after betting against my own framework today
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Replying to @jonntran
me after trading against my framework today
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is it fair to say then that you're using inference instead of signed positions?
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Replying to @Fink_Money
*naive Gamma
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Replying to @wldmandan
surprisingly not there are a few approaches that have been popularized through the years, and they have varying degrees of efficacy one of the original approaches termed "naive GEX" just involved assigning market makers a short for every put and a long for every call. Probably worked well enough when option usage was more traditional and aligned strictly with hedging that was improved upon by attempting trade level analysis to iterate ones way through the cumulative flow that results in a position but severe problems with that imo, as even if you have perfect results from inference (ie, which side of the trade was the aggressor on) you're still going to wind up with a ton of trades that are customer to customer, firm to firm, dealer to dealer - and have a noisy interpretation of what slice of the open interest is actually held by hedgers. further improved by local vol surface calibration - trying to smooth and tease out evidence of local kinks in the surface that imply a concentrated long or short- but in my experience as MM we often behaved in ways that would muddy that output this version just accepts the Cboe's account type designation as the closest to ground truth about what kind of account holds what, since there are in fact economical reasons to hold hedged inventory in market maker accounts, for example. Instead of doing trade level inference, we just accept what the Cboe assigns as entity-type on each volume bucket from the beginning of a contract's life
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Replying to @wldmandan @Cboe
I love it haha
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Replying to @FREAK0NAUT
they are though they are a product of my own analysis
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today's levels, SPX price action.
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Replying to @stock_long
With what
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VolSignals retweeted
Recently, via Bloomberg- (Institutional desks do, in fact, use our approach too)
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Replying to @sdav1986
Can you elaborate on what you mean by misclassification? nothing is perfect, that's for sure
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Replying to @OptionsFlo @Cboe
it was just too easy to say "ROO" than to convert it to anything else, I might be a different version of me now if I endured 10 years of being called DIAPER
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Replying to @ftg_dtk
great value add here, thanks for showing up
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Replying to @leaderboardmoon
you need tagged flow for the entire life of the series only way to do it with that approach I think
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