CRL Options Key Levels — 2026-10-16 Expiration
As of 2026-10-09 19:23 ET, Charles River Laboratories International (CRL) max pain for the 2026-10-16 expiration is $240 with the stock at $293.01; dealers are in positive gamma (net GEX 582.2K); options imply a ±12.11% move by expiration.
| Spot price | $293.01 |
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| Max pain | $240 |
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| Gamma flip | No flip (net GEX does not change sign) |
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| Call Wall | $320 (595 open interest) |
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| Put Wall | $290 (62 open interest) |
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| Net gamma exposure (GEX) | 582.2K — positive gamma |
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| Implied move | ±12.11% (±$35.48) |
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| At-the-money implied volatility | 44.3% |
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| Put/call open interest ratio | 0.29 |
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| Call / put open interest | 1,073 / 314 |
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| Call / put volume | 0 / 7 |
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What is CRL max pain today?
$240 for the 2026-10-16 expiration, 18.1% below the current price of $293.01.
What is CRL gamma exposure (GEX)?
Net GEX is 582.2K (positive gamma).
Where are the CRL call wall and put wall?
Call wall $320 (resistance), put wall $290 (support).
CRL Dealer Positioning Insights
- Positive Gamma Environment — Dealers are long gamma — they buy dips and sell rips, dampening moves. Expect mean-reversion and range-bound trading.
- Low Put/Call OI Ratio (0.29) — Call open interest dominates, indicating bullish positioning. Market makers may be short calls, creating upside fuel.
- Max Pain @ $240.0 — Spot is 18.1% above Max Pain. Gravitational pull may increase as expiry approaches.
- Support $290.0 / Resistance $320.0 — Put Wall at $290.0 acts as support. Call Wall at $320.0 acts as resistance. Net gamma concentration creates dealer hedging flows at these levels.
- Expected Move (Straddle-mid): ±12.11% ($35.48) — ATM straddle-mid implies a ±12.11% move by expiry. Range: $257.53 — $328.50
Largest CRL Open Interest Strikes
Calls: $320 (595), $260 (120), $330 (73), $310 (64), $200 (54). Puts: $195 (99), $290 (62), $240 (24), $120 (23), $130 (21).
Later CRL expirations: 2026-11-20, 2026-12-18, 2027-02-19.
Max pain is the strike at which option holders lose the most at expiration. Gamma exposure (GEX) estimates how much options dealers must hedge as the stock moves: positive gamma tends to dampen moves, negative gamma amplifies them, and the gamma flip is the price where net GEX changes sign. Call and put walls are the strikes where call and put gamma exposure is most concentrated, often read as resistance and support. Methodology
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