Septerna Inc. (SEPN)
NASDAQ: SEPN
· Real-Time Price · USD
20.68
0.53 (2.63%)
At close: Oct 03, 2025, 3:59 PM
19.49
-5.77%
After-hours: Oct 03, 2025, 07:23 PM EDT
SEPN Option Overview
Overview for all option chains of SEPN. As of October 05, 2025, SEPN options have an IV of 238.38% and an IV rank of 93.09%. The volume is 18 contracts, which is 34.62% of average daily volume of 52 contracts. The volume put-call ratio is 0, indicating a bullish sentiment in the market.
Implied Volatility
Implied Volatility (30d)
238.38%IV Rank
93.09%Historical Volatility
57.99%IV Low
77.75% on May 08, 2025IV High
250.3% on Oct 02, 2025Open Interest (OI)
Today's Open Interest
9,143Put-Call Ratio
5.49Put Open Interest
7,734Call Open Interest
1,409Open Interest Avg (30-day)
8,913Today vs Open Interest Avg (30-day)
102.58%Option Volume
Today's Volume
18Put-Call Ratio
0Put Volume
0Call Volume
18Volume Avg (30-day)
52Today vs Volume Avg (30-day)
34.62%Option Chain Statistics
This table provides a comprehensive overview of all SEPN 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 | 9 | 0 | 0 | 516 | 5,786 | 11.21 | 238.38% | 10 |
| Nov 21, 2025 | 0 | 0 | 0 | 145 | 7 | 0.05 | 147.58% | 12 |
| Jan 16, 2026 | 9 | 0 | 0 | 524 | 1,905 | 3.64 | 128.3% | 10 |
| Apr 17, 2026 | 0 | 0 | 0 | 224 | 36 | 0.16 | 111.12% | 14 |