Ivolution Research Journal · Refutation

OPEX-week charm rally (falsification)

SPX average return over the 5 sessions into monthly OPEX is NOT reliably positive after controlling for the equity risk premium and the contemporaneous VIX change.

VC-01 · v1·Refuted·Narrative — weak evidence·Vanna & charm

Cite as: VC-01: OPEX-week charm rally (falsification). Ivolution Research Journal.

Publication status

The pre-registered hypothesis was refuted on the governed research record. This publication documents the null rather than presenting an edge.

The abstract and product-safe scope metadata are public. Methodology, falsification, limitations, citations, and governed results for VC-01 are available to Terminal + AI members.

Symbols

SPX

Regimes

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

Horizons

5 sessions