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CRL — Charles River Laboratories International, Inc.

NYSE

Charles River Laboratories International, Inc.

CompareBack to Screener
$290.19
+3.36(+1.17%)
O
287.91
H
290.61
L
285.75
V
434.21K
⏱️ End-of-day dataAs of Oct 2, 2026
OverviewStatisticsFinancialsHistorical DataOptionsDividend HistoryNewsChart
Underlying Price$290.19
Implied Volatility (IV)0.5%
Put / Call Ratio0.06
Total Options Volume66
Total Open Interest3.4K
Selected Expiration2026-10-16

CRL

Options Calculator
Expiration
CALLSSTRIKEPUTS
CalculatorLastChg% ChgBidAskVolOIIVStrikeLastChg% ChgBidAskVolOIIVCalculator
$24.00+0.00-$30.00$33.70-1750.5%$260.00$1.60+0.00-$0.00$3.40-790.4%
$26.80+0.00-$21.10$24.90-890.4%$270.00$2.10+0.00-$1.55$3.60-4590.4%
$14.75+0.00-$13.90$17.50-2420.4%$280.00$5.05-1.35-$3.70$6.203490.4%
$9.20+1.00-$8.90$11.10513960.4%$290.00ATM$7.50+0.00-$8.10$11.00-2540.4%
$5.42-0.58-$3.60$6.7021070.4%$300.00$16.20+0.00-$12.80$16.40-690.4%
$2.60+0.09-$1.90$4.3051550.4%$310.00$22.17+0.00-$20.00$23.90-50.4%
$2.80+0.00-$0.55$3.70-6010.5%$320.00$27.30+0.00-$29.00$32.60-20.4%

Open Interest & Max Pain

2026-10-16
Max Pain$280.00-3.5% vs price
Call Open Interest2.0K
Put Open Interest1.4K
Put / Call (Open Interest)0.69
CallsPutsPrice $290.19Max painTop of chart = 601 contracts
240
260
280Max pain $280
300
320
340

Max pain is the strike where the open options would be worth the least at expiration, i.e. where option buyers as a group would lose the most. The chart shows strikes within 20% of the price. Open interest is from the last end-of-day update.