Ultragenyx Pharmaceutical Inc. (RARE) Put/Call Volume History
Put/call volume ratio compares the number of put options traded to call options traded. Extreme readings can signal shifts in market sentiment relative to recent norms.
Ultragenyx Pharmaceutical Inc. (RARE) operates in the Healthcare sector, specifically the Biotechnology industry, with a market capitalization near $2.61B, listed on NASDAQ, employing roughly 1,294 people, carrying a beta of 0.39 to the broader market. Ultragenyx Pharmaceutical Inc. Led by Emil D. Kakkis, public since 2014-01-31.
Snapshot as of May 15, 2026.
- Spot Price
- $25.07
- Call Volume
- 9.2K
- Put Volume
- 620
- Total Volume
- 9.8K
- Put/Call Ratio
- 0.07
As of May 15, 2026, Ultragenyx Pharmaceutical Inc. (RARE) traded 9.8K total options contracts. Volume split was 9.2K calls and 620 puts. Put/call volume ratio is 0.07. Elevated flow relative to the ticker's recent average can signal institutional positioning, pending news, earnings expectations, or hedging activity. Daily volume is the most responsive short-term gauge of changing demand.
How RARE put/call volume history Data Feeds Strategy Selection
Strategy selection on Ultragenyx Pharmaceutical Inc. options does not derive from any single metric in isolation. The put/call volume history view above sits inside a broader read: ATM IV currently sits at 45.3% and dealer gamma exposure is positive, so dealer hedging is mechanically mean-reverting. Combine the put/call volume history data here with the volatility-skew surface, dealer-gamma exposure, max-pain level, and upcoming-events calendar to build a positioning thesis. Risk-defined structures (credit spreads, debit spreads, iron condors) are usually safer than naked positions while the regime is uncertain; the data on this page anchors the inputs but does not by itself constitute a trade thesis.
Learn how options volume is reported and how to read the data →
Frequently asked RARE put/call volume history questions
- How much RARE options volume traded today?
- As of May 15, 2026, Ultragenyx Pharmaceutical Inc. (RARE) traded 9.8K total options contracts, split as 9.2K calls and 620 puts. Volume measures today's flow only; standing inventory is captured by open interest, which reconciles after the close.
- What is the RARE put/call volume ratio?
- As of May 15, 2026, the put/call volume ratio is 0.07. Equity-only PCR has three competing interpretations - sentiment-contrarian (extremes signal turning points), hedging-flow (high PCR can be portfolio insurance demand rather than bearish bets), and informed-flow (the volume signal carries short-horizon predictive content per Pan and Poteshman 2006). Resolving which frame applies requires context on whether the flow is opening or closing and which strikes carry the activity.
- Is RARE options volume elevated?
- Elevated flow relative to the RARE recent average is one of the strongest signals of institutional positioning, pending news, earnings expectations, or hedging activity. The most informative reads combine elevated volume with directional structure (single-leg or vertical), aggressive execution (at the ask or sweep), and an upcoming catalyst on the calendar.