Bank Of Montreal (BMO) Options Chain

NYSE: BMOFinanceCommercial BanksUSD

162.32+1.62 (+1.01%)

Market open · Delayed 15 min · as of Oct 9, 3:31 PM ET

Expiration date

Expiration: Oct 16, 2026
Days to expiration: 7
Share price: $162.32
Put/call ratio (OI): 0.92
Put/call ratio (volume): 1.19
ATM implied volatility: 24.9%
Expected move: ±$5.60
Open interest (C / P): 1.32K / 1.21K

BMO options summary

The BMO options chain for the October 16, 2026 expiration lists 11 call and 14 put contracts, with 7 days until expiration. Open interest stands at 1,320 calls and 1,214 puts, a put/call ratio of 0.92, which is fairly balanced between calls and puts. At-the-money implied volatility near the $160.00 strike is 24.9%, which implies the market expects a move of about ±$5.60 (3.5%) in Bank Of Montreal stock by expiration.

The most open interest sits at the $185.00 call (782 contracts) and the $170.00 put (774 contracts).

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

BMO options chain · October 16, 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
—	—	—	—	—	—	145.00	0.00	0.50	0.28	55.8%	1	55
—	—	—	—	—	—	150.00	0.00	0.30	0.15	37.4%	8	52
2	—	30.6%	16.50	5.30	7.90	155.00	0.05	0.80	0.50	34.4%	4	19
16	2	23.7%	2.65	2.10	3.60	160.00	0.75	1.50	1.28	26.2%	21	55
BMO $162.32
32	2	19.6%	0.57	0.40	0.85	165.00	3.00	4.80	5.30	34.0%	1	245
29	25	22.3%	0.05	0.05	0.20	170.00	7.50	8.60	8.35	35.6%	26	774
152	2	33.9%	0.26	0.00	0.25	175.00	12.30	14.90	13.88	67.8%	6	6
95	3	32.8%	0.05	0.00	0.05	180.00	17.20	19.60	18.86	56.0%	6	6
782	5	40.0%	0.05	0.00	0.05	185.00	22.10	24.80	13.05	67.4%	1	0
155	22	53.7%	0.05	0.00	0.25	190.00	27.00	29.80	17.79	75.9%	3	0
53	3	53.5%	0.11	0.00	0.05	195.00	32.10	34.80	21.35	86.3%	2	0
2	2	103.0%	0.05	0.00	2.15	200.00	37.20	39.80	26.33	96.4%	2	2
2	2	66.4%	0.05	0.00	0.05	210.00	47.20	49.80	36.30	112.9%	—	0
—	—	—	—	—	—	220.00	57.00	59.60	47.00	121.0%	—	0

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 October 16, 2026 expiration, the BMO put/call ratio based on open interest is 0.92 (1,214 puts vs 1,320 calls), and 1.19 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 October 16, 2026 is about 24.9%, 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.