Ivolution Research Journal · Working paper

Trade-signed GEX vs sign-assumed GEX for realized volatility

A dealer-gamma estimate built from MEASURED trade sign (Lee-Ready on the NBBO-at-trade options tape) predicts next-hour realized volatility better than the standard sign-ASSUMED (long-call/short-put) GEX, especially when the two disagree.

FLOW-11 · v1·Proposed·Plausible — unproven·Options flow

Cite as: FLOW-11: Trade-signed GEX vs sign-assumed GEX for realized volatility. Ivolution Research Journal.

Publication status

The study is published as a working paper while a required data source remains unavailable. No result exists yet.

The abstract and product-safe scope metadata are public. Methodology, falsification, limitations, citations, and governed results for FLOW-11 are available to Terminal + AI members.

Symbols

SPX · SPY · QQQ

Regimes

Aggregate · Positive gamma · pin · Positive gamma · drift · Negative gamma · trend · Negative gamma · chop · Event day

Horizons

60 min

FLOW-11: Trade-signed GEX vs sign-assumed GEX for realized volatility — Ivolution Research Journal