Affiliated Managers Group (AMG) Options Chain

NYSE: AMGFinanceInvestment ManagersUSD

387.26+0.27 (+0.07%)

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

Expiration date

Expiration: Dec 18, 2026
Days to expiration: 68
Share price: $387.26
Put/call ratio (OI): 0.17
Put/call ratio (volume): 0.18
ATM implied volatility: 41.8%
Expected move: ±$69.89
Open interest (C / P): 656 / 110

AMG options summary

The AMG options chain for the December 18, 2026 expiration lists 29 call and 28 put contracts, with 68 days until expiration. Open interest stands at 656 calls and 110 puts, a put/call ratio of 0.17, which is tilted bullish, with calls outnumbering puts. At-the-money implied volatility near the $390.00 strike is 41.8%, which implies the market expects a move of about ±$69.89 (18.0%) in Affiliated Managers Group stock by expiration.

The most open interest sits at the $390.00 call (525 contracts) and the $270.00 put (41 contracts).

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

AMG options chain · December 18, 2026

AMG 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
—	—	—	—	—	—	140.00	0.00	0.00	0.80	50.0%	1	0
1	—	—	210.00	214.50	218.50	145.00	0.00	2.40	0.25	117.0%	1	2
—	—	—	—	—	—	150.00	0.00	2.50	0.85	114.1%	—	1
1	—	117.0%	210.20	232.00	236.00	155.00	0.00	2.45	0.30	110.1%	1	4
—	—	—	—	—	—	160.00	0.05	3.50	2.75	113.8%	—	1
1	—	—	206.10	195.00	198.90	165.00	0.00	0.00	2.42	50.0%	1	0
—	—	—	—	—	—	175.00	0.40	4.10	2.90	108.1%	—	1
—	—	—	—	—	—	185.00	0.50	4.50	4.25	103.6%	12	6
2	—	—	156.41	171.00	174.50	190.00	—	—	—	—	—	—
1	—	—	174.71	176.50	180.70	195.00	—	—	—	—	—	—
1	—	—	155.10	161.50	164.80	200.00	0.00	3.70	1.95	88.5%	1	2
—	—	—	—	—	—	210.00	0.00	3.60	3.20	82.3%	1	2
—	—	—	—	—	—	220.00	0.55	4.10	3.50	81.0%	1	1
—	—	—	—	—	—	230.00	0.65	4.20	4.10	76.2%	1	2
—	—	—	—	—	—	240.00	0.00	4.50	4.90	69.8%	1	2
1	—	—	69.80	98.10	102.00	250.00	—	—	—	—	—	—
—	—	—	—	—	—	260.00	0.00	3.20	2.60	55.7%	—	1
—	—	—	—	—	—	270.00	1.00	5.50	8.20	60.3%	1	41
2	1	58.6%	93.20	109.50	113.10	280.00	0.00	3.60	4.25	56.9%	1	16
20	48	—	40.05	67.10	70.50	290.00	5.20	8.70	12.10	63.4%	—	1
—	—	—	—	—	—	300.00	17.00	21.00	35.20	87.0%	2	1
0	—	—	76.30	0.00	0.00	310.00	1.00	5.00	6.90	47.2%	4	5
0	3	—	69.50	0.00	0.00	320.00	2.00	6.10	6.20	45.3%	1	2
37	1	49.4%	62.70	64.10	67.40	330.00	4.20	6.80	5.33	41.9%	6	5
0	2	—	51.83	43.00	46.00	340.00	0.00	0.00	20.10	6.3%	—	0
4	3	45.9%	38.14	48.00	51.60	350.00	33.50	38.00	29.00	82.3%	1	0
2	1	44.9%	27.80	41.00	44.70	360.00	10.00	14.20	15.80	39.5%	1	2
2	1	43.7%	16.90	34.20	38.10	370.00	—	—	—	—	—	—
0	—	—	23.53	0.00	0.00	380.00	—	—	—	—	—	—
AMG $387.26
525	124	41.8%	23.00	23.00	26.80	390.00	—	—	—	—	—	—
26	26	41.1%	19.70	18.50	22.10	400.00	27.50	31.40	44.10	35.9%	1	1
15	1	38.1%	16.84	12.90	16.50	410.00	—	—	—	—	—	—
2	1	38.6%	16.00	10.50	13.70	420.00	—	—	—	—	—	—
2	2	39.8%	7.46	7.70	11.80	430.00	47.50	51.40	71.20	34.3%	—	11
3	2	39.7%	4.92	5.50	9.50	440.00	—	—	—	—	—	—
1	—	39.8%	2.65	4.00	7.70	450.00	—	—	—	—	—	—
2	1	40.0%	7.00	2.50	6.20	460.00	—	—	—	—	—	—
1	—	40.4%	5.10	1.50	5.10	470.00	—	—	—	—	—	—
2	1	41.4%	3.75	0.50	4.40	480.00	—	—	—	—	—	—
—	—	—	—	—	—	490.00	100.90	104.80	132.00	36.4%	—	0
—	—	—	—	—	—	500.00	138.90	142.50	157.00	92.7%	1	0
2	1	48.9%	5.70	0.00	3.60	520.00	—	—	—	—	—	—
0	1	12.5%	2.35	0.00	0.00	540.00	—	—	—	—	—	—

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 AMG put/call ratio?

For the December 18, 2026 expiration, the AMG put/call ratio based on open interest is 0.17 (110 puts vs 656 calls), and 0.18 based on today's volume. A ratio above 1 means more puts than calls.

What is AMG's implied volatility?

At-the-money implied volatility for AMG options expiring December 18, 2026 is about 41.8%, an annualized estimate of how much the market expects Affiliated Managers Group stock to move.

How many AMG option expiration dates are there?

AMG has 5 listed expiration dates, from Oct 16, 2026 to Dec 17, 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.