Repligen Corporation (RGEN)
NASDAQ: RGEN
· Real-Time Price · USD
126.64
-0.51 (-0.40%)
At close: Aug 14, 2025, 3:59 PM
127.40
0.60%
Pre-market: Aug 15, 2025, 05:43 AM EDT
RGEN Option Overview
Overview for all option chains of RGEN. As of August 15, 2025, RGEN options have an IV of 308.09% and an IV rank of 567.4%. The volume is 114 contracts, which is 34.44% of average daily volume of 331 contracts. The volume put-call ratio is 0.46, indicating a bullish sentiment in the market.
Implied Volatility
Implied Volatility (30d)
308.09%IV Rank
567.4%Historical Volatility
54.08%IV Low
46.44% on Jan 23, 2025IV High
92.56% on Aug 14, 2025Open Interest (OI)
Today's Open Interest
12,122Put-Call Ratio
1.54Put Open Interest
7,346Call Open Interest
4,776Open Interest Avg (30-day)
10,562Today vs Open Interest Avg (30-day)
114.77%Option Volume
Today's Volume
114Put-Call Ratio
0.46Put Volume
36Call Volume
78Volume Avg (30-day)
331Today vs Volume Avg (30-day)
34.44%Option Chain Statistics
This table provides a comprehensive overview of all RGEN 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 |
| Aug 15, 2025 | 43 | 25 | 0.58 | 3,732 | 444 | 0.12 | 308.09% | 120 |
| Sep 19, 2025 | 20 | 10 | 0.5 | 257 | 690 | 2.68 | 43.12% | 120 |
| Oct 17, 2025 | 1 | 0 | 0 | 0 | 0 | 0 | 40.71% | 65 |
| Nov 21, 2025 | 4 | 0 | 0 | 130 | 281 | 2.16 | 44.77% | 120 |
| Dec 19, 2025 | 0 | 0 | 0 | 247 | 5,781 | 23.4 | 43.23% | 150 |
| Jan 16, 2026 | 0 | 0 | 0 | 0 | 0 | 0 | n/a | 170 |
| Feb 20, 2026 | 0 | 0 | 0 | 23 | 19 | 0.83 | 41.71% | 90 |
| Jun 18, 2026 | 10 | 1 | 0.1 | 387 | 131 | 0.34 | 40.23% | 130 |