Charles River Laboratorie...

NYSE: CRL · Real-Time Price · USD
156.64
0.84 (0.54%)
At close: Aug 15, 2025, 3:59 PM
156.68
0.03%
After-hours: Aug 15, 2025, 05:14 PM EDT

CRL Option Overview

Overview for all option chains of CRL. As of August 15, 2025, CRL options have an IV of 221.46% and an IV rank of 305%. The volume is 593 contracts, which is 48.21% of average daily volume of 1,230 contracts. The volume put-call ratio is 0.14, indicating a bullish sentiment in the market.

Implied Volatility

Implied Volatility (30d)
221.46%
IV Rank
305%
Historical Volatility
51.48%
IV Low
37.31% on Aug 20, 2024
IV High
97.69% on Aug 13, 2025

Open Interest (OI)

Today's Open Interest
20,967
Put-Call Ratio
0.46
Put Open Interest
6,583
Call Open Interest
14,384
Open Interest Avg (30-day)
12,904
Today vs Open Interest Avg (30-day)
162.48%

Option Volume

Today's Volume
593
Put-Call Ratio
0.14
Put Volume
75
Call Volume
518
Volume Avg (30-day)
1,230
Today vs Volume Avg (30-day)
48.21%

Option Chain Statistics

This table provides a comprehensive overview of all CRL 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 2 72 36 9,869 4,176 0.42 221.46% 155
Sep 19, 2025 515 0 0 2,864 690 0.24 44.08% 150
Oct 17, 2025 0 0 0 0 0 0 37.69% 95
Nov 21, 2025 0 1 0 741 620 0.84 43.61% 150
Dec 19, 2025 1 1 1 837 1,074 1.28 43.13% 155
Jan 16, 2026 0 0 0 0 0 0 n/a 85
Feb 20, 2026 0 1 0 73 23 0.32 42.75% 145