BMO · Option chain

BMO Option Chain

Every listed BMO strike within 25% of spot, across the next 6 expirations — calls and puts side by side with last price, volume and open interest, plus the closing bid and ask.

Open interest and pricing as of the close on 2026-09-03. Recomputed every morning before the open.

Spot

$176.86

Call open interest

7,970

Put open interest

6,283

Put/call (volume)

0.16

932 contracts changed hands across these expirations — 805 calls against 127 puts. Calls outtraded puts 6.34 to one.

Sep 18, 202613 days

call OI 3,415 · put OI 3,092

Calls				Strike	Puts
Last	Bid / Ask	Vol	OI		Last	Bid / Ask	Vol	OI
—	40.10 / 43.00	—	100	135	—	0.00 / 0.80	—	500
—	35.80 / 38.30	—	103	140	—	0.00 / 0.40	—	190
—	30.20 / 33.30	—	18	145	0.06	0.00 / 0.30	4	211
—	25.20 / 28.10	—	113	150	0.10	0.00 / 0.25	52	564
—	20.70 / 22.80	—	158	155	0.34	0.00 / 1.20	40	350
—	15.30 / 17.90	—	840	160	—	0.00 / 0.30	—	584
—	10.80 / 13.10	—	262	165	0.35	0.10 / 0.60	2	172
7.50	7.20 / 8.30	2	201	170	0.70	0.35 / 1.05	5	268
4.00	3.60 / 5.20	11	218	175	1.80	1.50 / 2.15	10	84
1.35	1.15 / 1.90	14	273	180	4.60	4.00 / 4.80	2	60
0.40	0.40 / 0.55	1	179	185	—	7.30 / 9.90	—	5
—	0.00 / 0.10	—	763	190	—	12.60 / 14.90	—	104
—	0.00 / 0.75	—	158	195	—	17.40 / 19.50	—	—
—	0.00 / 0.05	—	29	200	—	22.10 / 25.20	—	—
A dash means the contract did not trade — not a price of zero.

Oct 16, 202641 days

call OI 259 · put OI 510

Calls				Strike	Puts
Last	Bid / Ask	Vol	OI		Last	Bid / Ask	Vol	OI
—	30.90 / 33.90	—	—	145	—	0.00 / 0.75	—	55
—	25.90 / 29.00	—	—	150	—	0.00 / 0.75	—	41
—	20.70 / 24.10	—	—	155	—	0.00 / 0.95	—	4
—	16.10 / 19.40	—	—	160	—	0.35 / 1.30	—	22
—	12.00 / 14.80	—	1	165	—	0.55 / 2.35	—	55
—	8.00 / 10.80	—	—	170	2.20	1.05 / 2.35	1	185
6.34	5.70 / 7.20	3	56	175	—	3.40 / 3.90	—	111
3.80	3.40 / 3.90	11	27	180	—	5.70 / 6.60	—	34
1.90	1.75 / 2.10	717	100	185	—	8.60 / 10.80	—	2
—	0.00 / 1.30	—	23	190	—	12.50 / 15.10	—	—
—	0.00 / 0.75	—	51	195	—	16.30 / 20.10	—	—
—	0.00 / 1.35	—	1	200	—	21.50 / 25.20	—	1
A dash means the contract did not trade — not a price of zero.

Nov 20, 202676 days

call OI 454 · put OI 179

Calls				Strike	Puts
Last	Bid / Ask	Vol	OI		Last	Bid / Ask	Vol	OI
—	40.60 / 44.30	—	10	135	—	0.00 / 0.75	—	15
—	36.00 / 38.80	—	15	140	—	0.00 / 0.85	—	27
—	31.10 / 34.10	—	24	145	—	0.15 / 1.00	—	15
—	26.10 / 29.50	—	—	150	—	0.40 / 1.30	—	31
—	21.80 / 24.70	—	24	155	—	0.60 / 1.75	—	—
—	18.00 / 20.00	—	29	160	—	1.30 / 2.65	—	27
15.20	14.50 / 15.70	15	31	165	—	1.95 / 4.00	—	—
—	9.80 / 11.60	—	7	170	—	3.40 / 5.60	—	11
—	6.50 / 9.00	—	60	175	5.85	5.10 / 6.60	1	20
—	3.80 / 6.70	—	10	180	—	7.50 / 8.50	—	33
—	2.00 / 4.10	—	20	185	—	10.80 / 12.90	—	—
2.11	0.85 / 2.40	2	8	190	—	14.20 / 16.50	—	—
—	0.45 / 1.60	—	6	195	—	18.10 / 21.30	—	—
—	0.05 / 1.05	—	4	200	—	22.70 / 25.80	—	—
—	0.00 / 0.75	—	206	210	—	31.20 / 35.30	—	—
A dash means the contract did not trade — not a price of zero.

Dec 18, 2026104 days

call OI 2,171 · put OI 543

Calls				Strike	Puts
Last	Bid / Ask	Vol	OI		Last	Bid / Ask	Vol	OI
—	41.00 / 44.40	—	—	135	—	0.00 / 0.90	—	10
—	36.20 / 39.30	—	—	140	—	0.20 / 1.15	—	10
—	31.20 / 34.40	—	2	145	—	0.50 / 1.45	—	20
—	26.70 / 30.20	—	—	150	1.51	0.55 / 1.95	1	2
—	22.60 / 25.40	—	—	155	—	1.30 / 3.80	—	309
—	18.50 / 21.30	—	8	160	—	2.00 / 3.80	—	18
—	14.60 / 17.30	—	11	165	—	3.10 / 5.20	—	—
—	11.00 / 13.70	—	13	170	—	4.50 / 6.80	—	38
8.99	7.80 / 10.70	10	40	175	—	6.50 / 8.90	—	52
6.62	5.40 / 7.90	1	38	180	9.60	8.90 / 10.30	2	47
—	3.50 / 5.90	—	128	185	—	11.50 / 14.20	—	35
3.35	2.90 / 3.80	1	367	190	—	14.80 / 17.80	—	—
—	2.10 / 2.85	—	1,522	195	—	19.10 / 21.90	—	—
—	0.35 / 2.30	—	19	200	—	22.80 / 25.90	—	2
0.43	0.00 / 0.95	1	23	210	—	32.20 / 35.10	—	—
A dash means the contract did not trade — not a price of zero.

Jan 15, 2027132 days

call OI 1,278 · put OI 1,753

Calls				Strike	Puts
Last	Bid / Ask	Vol	OI		Last	Bid / Ask	Vol	OI
—	41.10 / 44.70	—	63	135	—	0.00 / 1.75	—	15
—	37.00 / 39.90	—	37	140	—	0.05 / 2.45	—	9
—	32.20 / 35.30	—	18	145	—	0.10 / 3.00	—	844
—	27.90 / 31.00	—	51	150	—	1.15 / 3.40	—	64
—	23.50 / 27.30	—	52	155	—	1.90 / 3.50	—	40
—	19.30 / 22.10	—	188	160	—	2.90 / 4.50	—	309
—	15.60 / 18.60	—	44	165	4.80	3.60 / 5.70	1	88
—	12.20 / 14.90	—	93	170	—	4.90 / 7.70	—	64
—	9.10 / 11.70	—	74	175	8.50	6.90 / 8.90	2	88
—	8.20 / 9.20	—	75	180	—	10.00 / 11.10	—	107
—	4.70 / 6.90	—	243	185	—	12.10 / 14.90	—	48
—	4.40 / 5.00	—	162	190	—	15.40 / 18.30	—	27
—	3.00 / 3.50	—	80	195	—	19.20 / 21.90	—	9
—	2.00 / 2.55	—	62	200	—	23.30 / 26.00	—	41
—	0.20 / 3.10	—	34	210	—	32.30 / 35.30	—	—
—	0.00 / 1.95	—	2	220	—	41.60 / 45.30	—	—
A dash means the contract did not trade — not a price of zero.

Mar 19, 2027195 days

call OI 393 · put OI 206

Calls				Strike	Puts
Last	Bid / Ask	Vol	OI		Last	Bid / Ask	Vol	OI
—	42.30 / 45.50	—	28	135	1.17	1.15 / 1.70	4	19
—	37.50 / 40.50	—	70	140	—	0.60 / 2.55	—	2
—	33.40 / 36.30	—	4	145	—	1.35 / 3.20	—	18
—	28.60 / 32.10	—	16	150	—	2.00 / 4.00	—	—
—	24.90 / 28.00	—	14	155	—	3.10 / 4.90	—	2
23.00	21.10 / 24.10	1	3	160	—	3.90 / 6.60	—	84
18.35	17.10 / 20.20	2	6	165	—	4.70 / 7.70	—	70
16.40	15.30 / 16.80	11	18	170	—	7.40 / 9.70	—	—
12.25	11.00 / 14.60	2	12	175	—	8.70 / 11.70	—	2
—	8.90 / 12.20	—	18	180	—	10.90 / 13.80	—	—
—	6.40 / 9.30	—	10	185	—	13.70 / 16.60	—	2
—	5.00 / 8.10	—	101	190	—	16.90 / 20.00	—	—
—	3.60 / 5.80	—	76	195	—	20.40 / 23.30	—	7
—	3.40 / 4.50	—	7	200	—	24.20 / 27.10	—	—
—	0.30 / 3.10	—	1	210	—	32.70 / 35.50	—	—
—	0.35 / 1.55	—	9	220	—	41.30 / 45.40	—	—
A dash means the contract did not trade — not a price of zero.

How to read this chain

Calls sit on the left, puts on the right, and every row is one strike. The highlighted row is the strike closest to spot. Open interest is the number of contracts still outstanding at that strike — positions that exist right now. Volume is how many traded on the session shown. Open interest builds slowly and marks where positioning has accumulated; volume spikes and marks where attention went today.

Strikes with no open interest and no trades on either side are omitted, and the ladder is trimmed to within 25% of spot — the far wings are almost entirely empty and say nothing about positioning.

More on BMO

BMO options score BMO gamma walls BMO max pain BMO IV rank BMO put/call ratio BMO options flow

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Educational, not investment advice. Options involve risk. Open interest is reported with a one-session lag by OCC, so these levels describe positioning as of the last settled session, not live intraday flow.