BMO Options Statistics & Positioning

BMO options trade at a 30-day at-the-money implied volatility of 22.1%, an IV rank of 39 out of 100 over the past year. The options market prices a ±$9.94 (±5.8%) move in BMO for the front expiration. Max pain sits at $165 and the put/call open interest ratio is 0.89. Statistics are computed by OptiView from delayed OPRA options data and refresh every trading day.

Data as of Aug 24, 2026, 3:55 PM ET · OPRA data 15 minutes delayed · For information only — not investment advice.

Last close

$172.06

52-week range

$113.76 – $185.60

ATM IV (30d)

22.1%

IV rank

39 / 100

Low

Expected move

±$9.94 (±5.8%)

Put/call OI

0.89

Max pain

$165

↓ 4.1% below close

Most Active BMO Contracts

Contract	Expiration	DTE	Last	IV	Volume
BMO $170 put	Sep 18, 2026	25d	$3.10	0.0%	274
BMO $165 call	Sep 18, 2026	25d	$9.29	—	219
BMO $175 call	Sep 18, 2026	25d	$3.10	0.0%	180
BMO $165 put	Sep 18, 2026	25d	$1.65	0.0%	171
BMO $160 put	Sep 18, 2026	25d	$0.85	—	150

See all active BMO contracts →

Explore BMO Options Statistics

BMO Implied Volatility

22.1% ATM IV (30d)

An IV rank of 39 places implied volatility in the lower part of its 52-week range.

Full implied volatility analysis →

BMO Open Interest

0.89 put/call OI ratio

5,350 calls and 4,776 puts outstanding across all expirations.

Full open interest analysis →

BMO Max Pain

$165 max pain

4.1% below the last close — see how max pain has moved over the past year.

Full max pain analysis →

BMO Gamma Exposure

$4.95M net GEX

Positive dealer gamma — hedging currently leans against price swings.

Full gamma exposure analysis →

BMO Options Volume

1,899 contracts traded

Put/call volume ratio 1.27 — plus contracts running far above their usual volume.

Full volume & flow analysis →

BMO Most Active Options

$165 top volume strike

The 25 most actively traded BMO contracts with price, IV, greeks, and volume vs. average.

Full active contracts analysis →

Explore the payoff profile of option on BMO for free

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BMO Options FAQ

How often is BMO options data on this page updated?

All BMO statistics on this page are computed by OptiView from delayed OPRA options data and refresh every trading day after the session close.

Where can I see BMO max pain, open interest, and implied volatility in detail?

OptiView publishes dedicated BMO pages for implied volatility, max pain, open interest, gamma exposure, options volume, and the most active contracts — each with charts, history, and a plain-English explanation of what the numbers mean.

Methodology. IV rank compares the current 30-day at-the-money implied volatility with its highest and lowest values over the past 52 weeks. Max pain is the strike that minimizes the total payout to option holders at expiration. The call and put walls are the strikes carrying the largest call and put open interest across all expirations. Net gamma exposure (GEX) is measured from the dealer perspective. All statistics are derived from delayed OPRA options data.

Options trading involves significant risk, and losses can exceed your initial investment. Always consult a licensed financial professional before making investment decisions. OptiView does not provide financial advice; all figures on this page are descriptive statistics, not recommendations.