Using SPY option positions to make a case, this Feed post is a status report - of sorts - for Alphacution's development of a model to estimate individual market maker's shares of US equity option volume. At least we have a (mostly completed) list of the candidates...
Alphacution publishes new charts comparing SPY options, SPX options, and SPX futures options to illustrate the blessing - and curse? - of the 0DTE phenomenon, reliance on retail investors, and market concentration risks...
Citadel Securities overtakes Susquehanna Securities for year-end 2023 by this metric. Problem is, there's an asterisk. This Feed post is excerpted from research for Alphacution's long awaited case study on option market makers...
Public.com senior management reached out to react to Alphacution's recent Feed post, "Public.com Enters Option Fray, With A Twist." Here are some highlights from what we learned...
In this brief 6-page, 6-exhibit case study teaser, Alphacution presents its estimates for the overall market share of US listed equity derivatives volume represented by Susquehanna Securities, the affiliate of legendary options trading powerhouse, Susquehanna International Group (SIG), that’s home to the group’s US market making operation. This report is presented in the context of Alphacution’s forthcoming case study on option market makers’ share of US listed equity derivatives which will include Alphacution’s market share estimates for Citadel Securities, Optiver US, LLC, and IMC Financial Markets, among many others...
Alphacution provides additional evidence - via Robinhood - that option order routing revenue, the primary source of PFOF, is being negatively impacted by retail adoption of 0DTE option trading - as well as emerging indications of a resurgence in crypto trading...
Public.com - the emerging retail brokerage platform that actually appears to be trying to "democratize finance" rather than merely pay lip service to the concept - launched option trading functionality in Dec 2023 with a brokerage model that is unique relative to all other retail brokerages. Alphacution provides context and exposes some fascinating details...
With latest data in hand, Alphacution shows that the zero-day option (0DTE) phenomenon has contributed to long-term declines in aggregate payment for order flow (PFOF) levels thereby causing a ripple of subtle and not-so-subtle impacts in the market ecosystem...
Returning to a provocative thread from late 2022, Alphacution updates some of Morgan Stanley's latest moves in wholesale market making...
On the 1-year anniversary of what would turn out to be Part I of this thread, Alphacution adds new details to the story of New York-based prop trading firm GTS Securities and its emerging adventures in option market making...
