Define the numerator
A volume ratio and an open-interest ratio answer different questions.
Options & Market Structure · PDF FIELD GUIDE · 2026
Put-Call Ratio Explained
Volume, open-interest and index-specific sentiment context
SML-OPTIONS-0104-PAGE PDF$19 ONE TIMEINSTANT DELIVERY
THE OUTCOME
Interpret put-call ratios as descriptive aggregates with regime and product context.
Primary search intent: put call ratio explained
CORE MODEL
Four ideas before action.
Separate product groups
Index puts may reflect portfolio hedging while single-stock activity may have different drivers.
Avoid fixed thresholds
A historically high reading depends on the series, lookback and current market regime.
Sentiment is not timing
Contrarian readings can persist and do not specify an entry or exit.
ACTION CHECKLIST
A six-step review process.
- Name the exact ratio series
- Record calculation window
- Separate equity and index options
- Compare with its own history
- Check volatility and trend context
- Avoid converting one ratio into a trade signal
PRIMARY SOURCES
Verify the moving parts.
The PDF includes a source map and explicit research boundary. Product and regulatory details can change; current official material controls.
OCC — Characteristics and Risks of Standardized Options →Cboe Options Institute →FINRA — Options →TRUTH BOUNDARY
Aggregate ratios do not reveal every participant's intent and are not standalone signals.
AI tools assisted drafting and layout. SCRIPTMASTERLABS is responsible for editorial structure and source selection. No personalized investment, legal, tax, medical, regulatory, advertising or cybersecurity advice.
FAQ
Before you buy.
What format is this product?
A four-page PDF field guide delivered immediately after successful Stripe Checkout.
Is this a subscription?
No. It is a one-time purchase.
Does this guarantee a result?
No. Aggregate ratios do not reveal every participant's intent and are not standalone signals.