Halozyme Therapeutics Inc... (HALO)
NASDAQ: HALO
· Real-Time Price · USD
68.98
-2.71 (-3.78%)
At close: Oct 03, 2025, 3:59 PM
69.10
0.17%
After-hours: Oct 03, 2025, 07:30 PM EDT
HALO Option Overview
Overview for all option chains of HALO. As of October 05, 2025, HALO options have an IV of 80.15% and an IV rank of 94.24%. The volume is 922 contracts, which is 197.01% of average daily volume of 468 contracts. The volume put-call ratio is 0.16, indicating a bullish sentiment in the market.
Implied Volatility
Implied Volatility (30d)
80.15%IV Rank
94.24%Historical Volatility
25.95%IV Low
40% on Oct 11, 2024IV High
82.6% on Oct 03, 2025Open Interest (OI)
Today's Open Interest
15,278Put-Call Ratio
0.57Put Open Interest
5,531Call Open Interest
9,747Open Interest Avg (30-day)
13,602Today vs Open Interest Avg (30-day)
112.32%Option Volume
Today's Volume
922Put-Call Ratio
0.16Put Volume
129Call Volume
793Volume Avg (30-day)
468Today vs Volume Avg (30-day)
197.01%Option Chain Statistics
This table provides a comprehensive overview of all HALO options grouped by their expiration dates.
| Expiration | Call Vol | Put Vol | P/C Vol | Call OI | Put OI | P/C OI | Implied Volatility | Max Pain |
| Oct 17, 2025 | 147 | 77 | 0.52 | 2,020 | 1,496 | 0.74 | 80.15% | 70 |
| Nov 21, 2025 | 134 | 45 | 0.34 | 1,145 | 1,520 | 1.33 | 64.33% | 75 |
| Dec 19, 2025 | 170 | 2 | 0.01 | 5,046 | 2,412 | 0.48 | 52.28% | 50 |
| Mar 20, 2026 | 342 | 5 | 0.01 | 1,536 | 103 | 0.07 | 46.12% | 60 |