CRLCharles River Laboratories International, Inc.
Options Analysis Report•SERVICES-COMMERCIAL PHYSICAL & BIOLOGICAL RESEARCH
Market Cap $9.1B|NYSE
● 2026-04-17$183.88
NEUTRAL
Analysis: 2026-04-16 EOD data
1Y +79.1%YTD -9.2%7D +4.7%
Options Vol
36
30D
Implied Move
±16.2%
IV Rank
8%
CRL Options Overview
IV is elevated with bearish flow. Conditions favor premium sellers.
REWARDS
RISK ANALYSIS
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Value
Is IV priced right?
4.6
ExpensiveCheap
Measures whether options are cheap, fair, or rich relative to historical and peer
IV
levels.Risk Checks3/9 checks passed
IV Rank
≤35%IV Rank 84.3% — elevated vs history
IV/HV Ratio
<1.05xIV/HV 1.23x — IV premium over HV
Sector Relative≤50%
Sector percentile 88% — above sector median
Term Structure
<1.1xFront/Back 1.14x — backwardation
Skew Normal
<1.25xPut/Call IV 1.16x — elevated
Absolute IV
<80%ATM IV 51.2% — normal range
Spread-Adjusted Value
<80%Effective IV 127.4% (ATM 51.2% + spread 38.1% + bias) — expensive
Execution Efficiency
<3.0%Total drag 44.30% (spread 38.12% + slippage 6.18%) — high friction
Vega Efficiency
≥5.0Vega efficiency 10.64 (vega 40.562 / spread 38.12%) — efficient
Sentiment
Bullish or bearish?
4.8
BearishBullish
Analyzes
put/call ratios
, open interest skew
, and flow direction to determine market bias.Risk ChecksBullish - Moderate signal (Conviction: +14%, Raw: +19%)
Flow Direction
|net sentiment| ≥25%Conviction-weighted: +14% (bullish) — Raw: +19%
OI Skew Magnitude
≥15%|OI skew| 6.8% — balanced
Volume-OI Alignment
Same sign, |vol skew| ≥10%Vol skew -61.1%, OI skew +6.8% — divergent (opposite)
Conviction Quality
≥2/3 conditions0-DTE 6%, far-OTM 15%, avg DTE 30
OI Momentum
|change| ≥3%OI change +0.0% (5d) — stable
Smart Money Flow
|weighted flow| ≥20%ITM: +0%, ATM: -75%, OTM: +50% — strong bearish (ITM/ATM divergent)
Sector Relative≤40% or ≥60%
Sector P/C percentile 92% — very bearish vs sector
Activity
Unusual activity?
2.0
QuietActive
Detects volume surges,
block trades
, and unusual options activity that may signal moves.Risk Checks0/9 checks passed
Volume Surge
≥1.5xVolume 0.4x avg — normal
Turnover Rate
≥15%Vol/OI 0.8% — normal turnover
Strike Concentration
≥60%Top 3 strikes = 50% — dispersed
Multi-Day Persistence
≥2 days1 day(s) elevated — may be one-day event
OI Build
≥5%OI change +1.6% (5d) — stable
Sector Relative≥60%
Sector activity percentile 14% — quiet vs sector
Trade Quality
≥30%Large trade volume 0% — mostly retail
Execution Urgency
≥60%Aggressive execution 25% — patient
Flow Conviction
≥30Conviction +14 (bullish) — mixed
Liquidity
Can I trade efficiently?
2.3
IlliquidLiquid
Evaluates
bid-ask spreads
, volume depth, and open interest for trade execution quality.Risk Checks0/8 checks passed
Tradeable Spread
≤5.0%Spread 38.1% — wide
Adequate OI
≥10,000OI 4,425 — thin
Active Volume
≥500Volume 36/day — thin
Reasonable Cost
≤$0.50$1.91 to cross — expensive
Strike Coverage
≥5 strikes0 liquid strikes — limited options
Sector Relative≤40%
Sector spread percentile 88% — much wider than sector
Order Book Depth
≥100 contractsDepth 33.9 contracts (bid:17.2 ask:16.7) — thin
Execution Quality
<1.0%Avg slippage 6.18% — poor
Timing
Is now a good time?
7.1
RiskyFavorable
Considers earnings proximity,
time decay
, and event calendar for optimal entry timing.Risk Checks6/9 checks passed
Term Structure Clarity
|slope| ≥5%Slope +13.7% — backwardation
IV Percentile Clarity
<30 or >70IV percentile 84% — seller opportunity
Event Detection
≥10pts kinkIV kink 6.6pts — no clear event
Theta/Vega Clarity
<0.5 or >2.0θ/ν ratio 459.36 — favors income trades
Expiration Distribution
≥3 expirations3 liquid expirations — flexible
Event Risk
≥60% (safe)safe window: Earnings in 19d (low risk)
Spread Momentum
<1.2 ratioSpread ratio 1.00x — stable
Flow Momentum
≥25% strength + ≥50% consistencyFlow +14% @ 57% consistency — unclear
Smart Money Timing
≥40 composite scoreScore 30 (ITM 20% + inst 0%) — retail dominated
Directional Strategy Fit
Option Buyers
Long Calls4.7
bullishIV fair, mixed flow
Long Puts4.8
bearishIV fair, mixed flow
Premium Sellers
Cash-Secured Put4.8
bullishIV fair, mixed flow
Covered Call5.0
bearishIV fair, mixed flow
For educational purposes only. Not investment advice.