Unusual Options Activity
RARE Unusual Options Activity - Ultragenyx Pharmaceutical
- Last active day
- August 10, 2026
- Active days (30d)
- 9
- Biggest recent print
- Call $27.5000 · $1.4M
AI summary
On August 10, 2026, Ultragenyx Pharmaceutical Inc. (RARE) experienced notable options activity with a total of three prints. The call premium reached approximately $2,052,646, while the put premium was around $1,111,920, indicating a significant focus on calls relative to puts. The most prominent print was a call option with a strike price of $27.50, expiring on October 16, 2026, which saw a premium of $1,390,716 and a volume-to-open interest ratio of 7.5. This suggests a strong interest in this particular strike. Additionally, a put option with a strike price of $20.00, also expiring on October 16, 2026, had a premium of $1,111,920 and a volume-to-open interest ratio of 2.4. Another call option with a higher strike price of $50.00, expiring on the same date, recorded a premium of $661,930 and a volume-to-open interest ratio of 1.5. This activity reflects a diverse range of expectations among traders regarding RARE's future price movements.
AI-generated summary
RARE was last active on August 10, 2026.
Prints on August 10, 2026
| Ticker | Side | Strike | Expiry | Vol/OI | Premium | IV | New |
|---|---|---|---|---|---|---|---|
| RARE | Call | $27.5000 | 10/16/26 (69d) | 7.5× | $1.4M | 152% | |
| RARE | Put | $20.0000 | 10/16/26 (69d) | 2.4× | $1.1M | 130% | |
| RARE | Call | $50.0000 | 10/16/26 (69d) | 1.5× | $662K | 146% |
History
- 2026-08-103 prints$2.1M calls$1.1M puts
- 2026-08-073 prints$2.1M calls$1.1M puts
- 2026-08-061 prints$0K calls$449K puts
- 2026-07-311 prints$984K calls$0K puts
- 2026-07-301 prints$984K calls$0K puts
- 2026-07-242 prints$1.5M calls$0K puts
- 2026-07-234 prints$1.5M calls$2.3M puts
- 2026-07-224 prints$532K calls$3.4M puts
- 2026-07-212 prints$532K calls$1.2M puts
- 2026-07-101 prints$613K calls$0K puts
- 2026-07-092 prints$613K calls$526K puts
- 2026-07-083 prints$1.6M calls$526K puts
- 2026-07-073 prints$1.6M calls$130K puts
- 2026-06-261 prints$146K calls$0K puts
- 2026-06-251 prints$146K calls$0K puts
- 2026-05-182 prints$1.8M calls$124K puts
- 2026-04-061 prints$0K calls$65K puts
- 2026-02-231 prints$499K calls$0K puts
- 2026-02-202 prints$318K calls$0K puts
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