---
title: "Decoding 13F Options: How to Read Call vs. Put Ratios Like a Pro"
type: learn
slug: how-to-analyze-options-call-put-ratios-in-13f
canonical_url: https://13finsight.com/learn/how-to-analyze-options-call-put-ratios-in-13f
published_at: 2026-04-12T08:19:50.498Z
updated_at: 2026-04-12T08:19:52.805Z
author: Sarah Mitchell
author_title: Education Editor
author_url: https://13finsight.com/authors/sarah-mitchell
word_count: 277
locale: en
source: 13F Insight
---

# Decoding 13F Options: How to Read Call vs. Put Ratios Like a Pro

> Don't just look at the stock holdings. Discover how hedge funds use massive options books to signal leverage, hedging, or downside expectations.

When reading a 13F filing, the equity holdings only tell half the story. The real secret to institutional positioning often lies in the derivatives market. Understanding how to interpret Call and Put options reported on 13Fs is crucial for gauging a filer's true market sentiment.The Notional Value TrapThe most important rule of 13F options analysis is understanding notional value. The SEC requires filers to report the value of options as if they were fully exercised. This means a fund holding $1 million worth of deep out-of-the-money SPY Puts might report a "holding" value of $500 million! You must look past the massive dollar figures and focus on the share equivalents and the ratio between calls and puts.Hedging vs. Directional BetsHow do you tell if a fund is genuinely bearish or just buying insurance?The Married Put: If a fund holds 10 million shares of AAPL and also reports 10 million share-equivalents of AAPL Puts, they are perfectly hedged. They aren't bearish; they are protecting their massive long position against a sudden crash.The Naked Bet: If a fund holds zero actual equity in a company but reports massive Call options, they are making a highly leveraged, directional bet on upside. Conversely, holding only Puts without the underlying equity signals a strong short thesis.Options Market MakersBe extremely careful when analyzing firms like Susquehanna (SIG) or Citadel. These entities act as market makers. Their 13F filings will show hundreds of billions in both Calls and Puts across almost every ticker. This does not represent a directional bet; it represents their inventory for facilitating trades for retail and institutional clients. For these firms, analyzing options ratios is largely meaningless for uncovering alpha.

## FAQ

### Are options values in 13Fs accurate?

They reflect notional value (shares controlled x stock price), NOT the premium paid for the options. This often vastly inflates the apparent size of the position.

---

Source: 13F Insight — https://13finsight.com/learn/how-to-analyze-options-call-put-ratios-in-13f
Author: Sarah Mitchell — https://13finsight.com/authors/sarah-mitchell
Last updated: 2026-04-12T08:19:52.805Z