Arthur J. Gallagher (AJG) Options Chain

NYSE: AJGFinanceSpecialty InsurersUSD

232.70-1.35 (-0.58%)

At close: Oct 9, 4:00 PM ET · Delayed 15 min

Expiration date

Expiration: Jan 15, 2027
Days to expiration: 96
Share price: $232.70
Put/call ratio (OI): 0.28
Put/call ratio (volume): 0.42
ATM implied volatility: 33.8%
Expected move: ±$40.34
Open interest (C / P): 1.73K / 492

AJG options summary

The AJG options chain for the January 15, 2027 expiration lists 22 call and 23 put contracts, with 96 days until expiration. Open interest stands at 1,727 calls and 492 puts, a put/call ratio of 0.28, which is tilted bullish, with calls outnumbering puts. At-the-money implied volatility near the $230.00 strike is 33.8%, which implies the market expects a move of about ±$40.34 (17.3%) in Arthur J. Gallagher stock by expiration.

The most open interest sits at the $290.00 call (281 contracts) and the $250.00 put (120 contracts).

Summary generated from market data by MetaCap's automated system. Methodology

AJG options chain · January 15, 2027

AJG calls and puts by strike price. Shaded cells are in the money.
Calls							Puts
OI	Vol	IV	Last	Bid	Ask	Strike	Bid	Ask	Last	IV	Vol	OI
—	—	—	—	—	—	120.00	0.00	2.25	0.90	75.0%	—	7
—	—	—	—	—	—	125.00	0.00	0.00	2.00	25.0%	—	0
—	—	—	—	—	—	135.00	0.00	0.00	2.70	25.0%	—	0
—	—	—	—	—	—	140.00	0.00	0.00	3.25	25.0%	—	0
—	—	—	—	—	—	150.00	0.00	0.75	0.41	48.6%	—	3
—	—	—	—	—	—	160.00	0.00	2.70	0.90	57.0%	1	19
0	3	—	53.60	0.00	0.00	165.00	0.05	2.90	1.05	54.4%	9	9
8	5	91.4%	57.00	75.10	78.20	170.00	0.05	2.45	2.17	48.4%	1	2
—	—	—	—	—	—	175.00	0.60	3.30	1.30	49.0%	1	16
—	—	—	—	—	—	180.00	0.30	3.50	1.35	46.3%	8	68
—	—	—	—	—	—	185.00	1.35	3.70	2.55	43.5%	9	28
0	2	—	66.80	0.00	0.00	190.00	0.00	0.00	2.80	6.3%	11	0
0	—	—	62.52	0.00	0.00	195.00	1.25	3.60	4.90	36.0%	2	8
0	2	—	62.74	0.00	0.00	200.00	0.00	0.00	3.40	6.3%	20	0
10	8	100.1%	50.00	55.90	58.70	210.00	5.70	6.70	8.28	34.1%	1	29
3	1	111.8%	44.35	56.50	59.30	220.00	8.50	9.80	11.10	33.0%	52	51
213	1	36.2%	17.40	16.90	18.60	230.00	12.50	13.60	13.60	31.4%	2	42
AJG $232.70
139	1	35.2%	10.80	11.70	13.70	240.00	17.80	19.20	22.65	31.5%	1	31
133	77	34.7%	7.60	8.80	9.90	250.00	23.50	25.70	28.23	31.4%	1	120
194	1	34.5%	5.30	5.90	7.10	260.00	30.80	33.00	25.53	31.1%	1	21
243	1	34.5%	4.60	4.20	5.00	270.00	38.60	41.10	19.70	31.0%	1	32
253	1	36.8%	2.70	2.10	4.20	280.00	47.10	49.70	49.95	30.7%	4	4
281	100	37.6%	2.36	1.40	3.20	290.00	56.50	58.90	59.01	31.1%	2	2
102	50	37.9%	1.71	0.95	2.35	300.00	—	—	—	—	—	—
0	3	12.5%	3.90	0.00	0.00	310.00	—	—	—	—	—	—
33	21	38.6%	2.00	0.45	1.25	320.00	—	—	—	—	—	—
13	10	49.2%	5.60	0.00	2.70	330.00	—	—	—	—	—	—
1	—	40.0%	1.60	0.00	0.75	340.00	—	—	—	—	—	—
68	10	42.4%	0.20	0.00	0.75	350.00	—	—	—	—	—	—
1	2	54.1%	0.75	0.25	1.30	380.00	—	—	—	—	—	—
32	—	51.3%	0.10	0.00	1.20	400.00	—	—	—	—	—	—

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 January 15, 2027 expiration, the AJG put/call ratio based on open interest is 0.28 (492 puts vs 1,727 calls), and 0.42 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 January 15, 2027 is about 33.8%, 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.