Arthur J. Gallagher (AJG) Options Chain
NYSE: AJGFinancial ServicesInsurance BrokersUSD
At close: Oct 8, 4:00 PM ET · Delayed 15 min
Expiration date
- Expiration
- Oct 16, 2026
- Days to expiration
- 7
- Share price
- $234.05
- Put/call ratio (OI)
- 0.38
- Put/call ratio (volume)
- 0.29
- Expected move
- ±$1.01
- Open interest (C / P)
- 8 / 3
AJG options summary
The AJG options chain for the October 16, 2026 expiration lists 17 call and 23 put contracts, with 7 days until expiration. Open interest stands at 8 calls and 3 puts, a put/call ratio of 0.38, which is tilted bullish, with calls outnumbering puts. At-the-money implied volatility near the $230.00 strike is 3.1%, which implies the market expects a move of about ±$1.01 (0.4%) in Arthur J. Gallagher stock by expiration.
The most open interest sits at the $360.00 call (4 contracts) and the $140.00 put (1 contracts).
Summary generated from market data by MetaCap's automated system. Methodology
AJG options chain · October 16, 2026
| Calls | Puts | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Last | Bid | Ask | Strike | Bid | Ask | Last | |||||
| — | — | — | 115.00 | 0.00 | 0.00 | 0.81 | |||||
| — | — | — | 130.00 | 0.00 | 0.00 | 1.05 | |||||
| — | — | — | 135.00 | 0.00 | 0.00 | 1.23 | |||||
| — | — | — | 140.00 | 0.05 | 3.30 | 1.50 | |||||
| — | — | — | 145.00 | 0.00 | 0.00 | 1.47 | |||||
| — | — | — | 155.00 | 0.00 | 0.00 | 0.15 | |||||
| — | — | — | 160.00 | 1.50 | 3.50 | 5.20 | |||||
| — | — | — | 165.00 | 1.25 | 3.20 | 6.80 | |||||
| — | — | — | 170.00 | 0.00 | 0.00 | 5.60 | |||||
| — | — | — | 175.00 | 0.00 | 0.00 | 0.13 | |||||
| — | — | — | 180.00 | 0.00 | 0.00 | 8.30 | |||||
| — | — | — | 185.00 | 0.00 | 0.00 | 0.22 | |||||
| — | — | — | 190.00 | 0.00 | 0.00 | 1.05 | |||||
| 34.12 | 0.00 | 0.00 | 195.00 | 0.00 | 0.00 | 0.40 | |||||
| 66.43 | 0.00 | 0.00 | 200.00 | 0.00 | 0.00 | 0.70 | |||||
| 59.80 | 0.00 | 0.00 | 210.00 | 0.00 | 0.00 | 0.35 | |||||
| 13.43 | 0.00 | 0.00 | 220.00 | 0.00 | 0.00 | 1.05 | |||||
| 5.87 | 0.00 | 0.00 | 230.00 | 0.00 | 0.00 | 3.20 | |||||
| 1.55 | 0.00 | 0.00 | 240.00 | 0.00 | 0.00 | 13.71 | |||||
| 0.38 | 0.00 | 0.00 | 250.00 | 0.00 | 0.00 | 21.08 | |||||
| 0.10 | 0.00 | 0.00 | 260.00 | 0.00 | 0.00 | 31.20 | |||||
| 0.13 | 0.00 | 0.00 | 270.00 | 0.00 | 0.00 | 39.10 | |||||
| 0.40 | 0.00 | 0.00 | 280.00 | 0.00 | 0.00 | 49.86 | |||||
| 2.15 | 0.00 | 0.00 | 290.00 | — | — | — | |||||
| 0.05 | 0.00 | 0.00 | 300.00 | — | — | — | |||||
| 0.85 | 0.00 | 0.00 | 310.00 | — | — | — | |||||
| 0.55 | 0.00 | 0.00 | 320.00 | — | — | — | |||||
| 0.75 | 0.00 | 0.00 | 330.00 | — | — | — | |||||
| 0.40 | 0.00 | 2.05 | 360.00 | — | — | — | |||||
| 0.40 | 0.00 | 2.20 | 370.00 | — | — | — | |||||
In-the-money callsIn-the-money puts. IV = implied volatility, OI = open interest (contracts). Each contract covers 100 shares. Quotes delayed at least 15 minutes.
Frequently asked questions
What is the AJG put/call ratio?
For the October 16, 2026 expiration, the AJG put/call ratio based on open interest is 0.38 (3 puts vs 8 calls), and 0.29 based on today's volume. A ratio above 1 means more puts than calls.
What is AJG's implied volatility?
At-the-money implied volatility for AJG options expiring October 16, 2026 is about 3.1%, an annualized estimate of how much the market expects Arthur J. Gallagher stock to move.
How many AJG option expiration dates are there?
AJG has 5 listed expiration dates, from Oct 16, 2026 to Apr 16, 2027.
What does "in the money" mean?
A call is in the money when the strike price is below the current share price; a put is in the money when the strike is above it. In-the-money contracts have intrinsic value and are shaded in the table.