Bank Of Montreal (BMO) Options Chain

NYSE: BMOFinanceCommercial BanksUSD

162.59+1.89 (+1.18%)

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

Expiration date

Expiration: Nov 20, 2026
Days to expiration: 41
Share price: $162.59
Put/call ratio (OI): 0.88
Put/call ratio (volume): 0.23
ATM implied volatility: 25.1%
Expected move: ±$13.69
Open interest (C / P): 1.40K / 1.22K

BMO options summary

The BMO options chain for the November 20, 2026 expiration lists 18 call and 17 put contracts, with 41 days until expiration. Open interest stands at 1,395 calls and 1,223 puts, a put/call ratio of 0.88, which is fairly balanced between calls and puts. At-the-money implied volatility near the $165.00 strike is 25.1%, which implies the market expects a move of about ±$13.69 (8.4%) in Bank Of Montreal stock by expiration.

The most open interest sits at the $175.00 call (549 contracts) and the $175.00 put (512 contracts).

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

BMO options chain · November 20, 2026

BMO 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
—	—	—	—	—	—	90.00	0.00	2.90	1.33	117.6%	—	8
—	—	—	—	—	—	105.00	0.00	0.00	1.95	25.0%	—	0
3	1	—	28.80	41.60	44.40	110.00	—	—	—	—	—	—
4	2	—	27.15	22.60	26.50	115.00	0.00	0.75	1.00	56.7%	1	15
—	—	—	—	—	—	120.00	0.00	0.00	4.30	25.0%	2	0
6	2	66.3%	46.68	35.80	39.50	125.00	0.00	0.75	0.05	52.0%	3	9
8	9	77.0%	24.62	35.40	38.00	130.00	0.00	1.00	1.25	49.1%	1	12
10	2	108.8%	42.12	36.00	40.50	135.00	0.00	0.75	0.25	39.5%	2	15
15	2	36.3%	28.90	21.20	23.60	140.00	0.00	1.85	0.62	43.9%	2	27
0	5	—	30.10	0.00	0.00	145.00	0.00	1.60	0.67	34.8%	1	15
—	—	—	—	—	—	150.00	0.40	1.80	1.19	29.1%	1	32
24	2	73.1%	25.21	17.50	22.00	155.00	1.60	3.20	2.27	29.2%	8	19
28	1	23.4%	4.92	4.30	6.50	160.00	2.30	5.30	3.20	29.9%	1	41
BMO $162.59
132	119	24.4%	2.50	2.25	4.30	165.00	5.70	7.00	6.67	25.8%	8	20
238	10	22.8%	1.75	0.75	2.25	170.00	8.80	11.10	11.40	30.1%	1	239
549	4	21.4%	0.85	0.50	1.00	175.00	13.10	15.30	11.20	33.0%	2	512
311	2	24.4%	0.39	0.10	0.75	180.00	17.80	20.30	9.70	39.1%	56	250
52	40	28.9%	0.25	0.00	0.75	185.00	—	—	—	—	—	—
9	7	33.2%	0.21	0.00	0.75	190.00	26.60	29.60	19.70	45.3%	—	9
6	6	37.2%	0.16	0.00	0.75	195.00	—	—	—	—	—	—
0	1	12.5%	2.70	0.00	0.00	200.00	—	—	—	—	—	—
0	177	12.5%	0.85	0.00	0.00	210.00	—	—	—	—	—	—

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 BMO put/call ratio?

For the November 20, 2026 expiration, the BMO put/call ratio based on open interest is 0.88 (1,223 puts vs 1,395 calls), and 0.23 based on today's volume. A ratio above 1 means more puts than calls.

What is BMO's implied volatility?

At-the-money implied volatility for BMO options expiring November 20, 2026 is about 25.1%, an annualized estimate of how much the market expects Bank Of Montreal stock to move.

How many BMO option expiration dates are there?

BMO has 5 listed expiration dates, from Oct 16, 2026 to Mar 19, 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.