Microsoft (MSFT) Options Chain

NASDAQ: MSFTTechnologyComputer Software: Prepackaged SoftwareUSD

535.07+12.46 (+2.38%)

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

After hours: 535.00 -0.01%

Expiration date

Expiration: Oct 9, 2026
Days to expiration: 0
Share price: $535.07
Put/call ratio (OI): 0.70
Put/call ratio (volume): 0.65
ATM implied volatility: 3.5%
Expected move: ±$0.9774
Open interest (C / P): 84.29K / 58.60K

MSFT options summary

The MSFT options chain for the October 9, 2026 expiration lists 90 call and 75 put contracts, expiring today. Open interest stands at 84,294 calls and 58,604 puts, a put/call ratio of 0.70, which is tilted bullish, with calls outnumbering puts. At-the-money implied volatility near the $535.00 strike is 3.5%, which implies the market expects a move of about ±$0.9774 (0.2%) in Microsoft stock by expiration.

The most open interest sits at the $530.00 call (9.55K contracts) and the $515.00 put (4.73K contracts).

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

MSFT options chain · October 9, 2026

MSFT 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
3	3	496.9%	255.60	264.25	266.15	270.00	—	—	—	—	—	—
—	—	—	—	—	—	280.00	0.00	0.01	0.01	356.3%	1	19
4	—	595.2%	224.14	243.50	246.20	290.00	0.00	0.69	0.02	502.3%	89	106
3	5	565.8%	234.21	233.50	236.20	300.00	0.00	0.01	0.01	325.0%	1	29
3	8	551.5%	231.44	228.50	231.20	305.00	0.00	0.10	0.06	376.6%	7	19
64	7	537.3%	226.45	223.50	226.20	310.00	0.00	0.01	0.01	300.0%	2	4
5	9	523.4%	219.60	218.50	221.20	315.00	0.00	0.01	0.04	293.8%	1	43
—	—	—	—	—	—	320.00	0.00	0.06	0.06	331.3%	1	202
8	2	496.2%	209.35	208.50	211.20	325.00	0.00	0.01	0.01	275.0%	10	146
4	4	482.8%	204.36	203.50	206.20	330.00	0.00	0.44	0.06	382.8%	9	105
6	6	357.0%	200.92	198.50	201.95	335.00	0.00	0.50	0.02	377.7%	140	153
5	16	456.6%	194.62	193.50	196.20	340.00	0.00	0.01	0.01	256.3%	50	66
2	15	301.6%	187.87	188.50	191.75	345.00	0.00	0.62	0.05	366.2%	2	35
4	2	326.6%	181.67	183.50	186.95	350.00	0.00	0.69	0.10	360.6%	2	40
4	4	418.8%	178.08	178.50	181.20	355.00	0.00	0.69	0.05	349.6%	2	48
3	11	406.4%	173.15	173.50	176.20	360.00	0.00	0.69	0.09	339.1%	2	32
16	10	394.1%	168.15	168.50	171.20	365.00	0.00	0.01	0.01	218.8%	1	34
4	7	382.0%	165.13	163.50	166.20	370.00	0.00	0.64	0.30	314.8%	3	329
10	12	248.4%	146.95	158.50	161.75	375.00	0.00	0.69	0.35	307.8%	2	13
5	6	268.4%	155.67	153.50	156.95	380.00	0.00	0.30	0.17	267.6%	3	54
4	4	259.4%	150.42	148.50	151.95	385.00	0.00	0.55	0.13	278.7%	3	145
3	2	335.0%	129.54	143.50	146.20	390.00	0.00	0.69	0.17	277.5%	3	66
14	1	241.0%	140.85	138.50	141.95	395.00	0.00	0.69	0.20	267.6%	1	96
67	2	312.1%	134.78	133.50	136.20	400.00	0.00	0.51	1.06	247.3%	1	178
22	4	300.9%	115.37	128.50	131.20	405.00	0.00	0.51	0.02	237.9%	2	172
12	1	289.8%	126.12	123.50	126.20	410.00	0.00	0.69	0.07	238.5%	2	162
52	3	209.6%	120.81	118.50	122.00	415.00	0.00	0.15	0.15	189.1%	1	182
16	4	200.8%	100.75	113.50	117.00	420.00	0.00	0.20	0.16	186.7%	3	526
121	7	256.6%	111.00	108.55	111.20	425.00	0.00	0.51	0.01	201.2%	9	170
228	29	166.0%	105.43	104.10	106.20	430.00	0.00	0.01	0.02	128.1%	2	210
177	75	235.1%	101.55	98.50	101.20	435.00	0.00	0.69	0.07	191.6%	2	488
168	42	224.3%	93.74	93.70	96.20	440.00	0.00	0.01	0.01	115.6%	1	276
75	8	136.7%	90.64	89.05	91.20	445.00	0.00	0.69	0.03	173.3%	7	544
78	54	203.0%	85.97	83.50	86.20	450.00	0.00	0.38	0.09	150.6%	14	674
131	30	127.0%	81.10	79.10	81.20	455.00	0.00	0.13	0.08	124.2%	4	842
97	24	187.2%	77.44	76.00	78.70	457.50	0.00	0.51	0.56	143.9%	14	41
343	210	181.9%	73.75	73.50	76.20	460.00	0.00	0.01	0.01	90.6%	7	1,255
89	24	176.7%	71.29	71.00	73.70	462.50	0.00	0.69	0.03	141.8%	12	72
101	44	171.4%	70.10	68.60	71.20	465.00	0.00	0.01	0.01	84.4%	13	613
50	29	166.2%	68.35	66.00	68.70	467.50	0.00	0.01	0.02	81.3%	251	249
99	28	160.9%	64.34	63.50	66.20	470.00	0.00	0.01	0.01	78.1%	12	1,076
136	10	155.7%	62.57	61.20	63.70	472.50	0.00	0.01	0.01	75.0%	3	170
225	77	86.3%	60.95	59.10	61.10	475.00	0.00	0.01	0.01	73.4%	122	1,037
146	31	145.2%	58.55	56.00	58.70	477.50	0.00	0.27	0.01	99.6%	56	650
216	58	130.7%	54.85	53.95	55.90	480.00	0.00	0.01	0.01	67.2%	49	4,006
24	24	134.7%	54.75	51.10	53.70	482.50	0.00	0.46	0.01	99.2%	12	191
117	62	129.4%	51.15	48.50	51.20	485.00	0.00	0.01	0.01	60.9%	176	1,570
83	9	124.1%	47.46	46.00	48.70	487.50	0.00	0.43	0.01	89.8%	26	226
175	57	118.8%	44.28	43.50	46.20	490.00	0.00	0.01	0.01	56.3%	66	1,031
117	17	77.3%	43.69	41.80	43.65	492.50	0.00	0.01	0.01	53.1%	205	1,042
219	61	108.2%	40.59	38.85	41.20	495.00	0.00	0.01	0.01	50.0%	358	2,143
201	27	102.8%	38.77	36.00	38.70	497.50	0.00	0.01	0.01	50.0%	55	613
369	141	86.2%	35.15	34.10	35.75	500.00	0.00	0.01	0.01	46.9%	381	2,454
172	116	93.1%	33.27	31.40	33.75	502.50	0.00	0.02	0.02	46.5%	46	758
735	332	53.6%	30.08	29.15	31.20	505.00	0.00	0.01	0.01	40.6%	302	1,727
349	72	82.1%	27.95	26.60	28.75	507.50	0.00	0.01	0.01	37.1%	579	1,212
1,952	230	53.3%	26.20	24.50	26.15	510.00	0.00	0.01	0.01	34.0%	1,784	4,656
444	130	70.0%	22.97	21.35	23.70	512.50	0.00	0.01	0.01	30.9%	827	2,302
1,247	359	52.3%	20.24	19.70	21.50	515.00	0.00	0.01	0.03	27.7%	2,715	4,726
1,057	981	43.5%	17.65	17.10	17.95	517.50	0.00	0.01	0.01	24.6%	1,872	2,285
3,602	1,848	52.7%	15.06	13.95	16.20	520.00	0.00	0.01	0.01	21.5%	6,402	4,694
1,345	682	40.4%	13.04	12.10	13.30	522.50	0.00	0.01	0.01	18.0%	7,073	1,354
4,835	3,096	42.4%	10.08	9.60	11.35	525.00	0.00	0.01	0.01	14.8%	10,456	2,489
2,141	4,791	24.0%	7.65	7.30	8.00	527.50	0.00	0.01	0.01	11.5%	13,314	4,452
9,554	20,379	17.6%	5.16	4.80	5.45	530.00	0.00	0.01	0.01	8.2%	25,099	2,074
2,842	37,708	14.3%	2.63	2.35	3.20	532.50	0.00	0.01	0.01	4.5%	34,801	604
6,136	62,099	4.1%	0.35	0.25	0.49	535.00	0.16	0.29	0.25	2.9%	27,835	622
MSFT $535.07
3,770	44,401	4.3%	0.01	0.00	0.01	537.50	1.83	2.80	2.39	10.9%	3,144	1
7,261	31,128	7.8%	0.01	0.00	0.01	540.00	3.50	5.55	4.95	20.4%	1,701	0
4,227	3,318	11.3%	0.01	0.00	0.01	542.50	—	—	—	—	—	—
8,373	1,699	14.4%	0.01	0.00	0.01	545.00	9.20	10.85	9.30	36.5%	24	0
813	348	17.6%	0.01	0.00	0.01	547.50	—	—	—	—	—	—
5,706	886	20.7%	0.01	0.00	0.01	550.00	13.50	16.20	15.60	53.0%	37	1
524	430	23.4%	0.03	0.00	0.01	552.50	—	—	—	—	—	—
2,361	196	26.6%	0.01	0.00	0.01	555.00	—	—	—	—	—	—
607	20	29.7%	0.01	0.00	0.01	557.50	22.00	24.10	21.07	56.8%	8	0
2,967	115	32.0%	0.01	0.00	0.01	560.00	24.45	26.75	29.80	62.5%	4	0
968	234	37.9%	0.01	0.00	0.01	565.00	29.35	31.75	37.31	70.3%	4	0
3,345	198	43.8%	0.01	0.00	0.01	570.00	—	—	—	—	—	—
88	9	48.4%	0.01	0.00	0.01	575.00	—	—	—	—	—	—
656	43	50.0%	0.01	0.00	0.01	580.00	43.80	46.85	43.55	87.2%	4	0
105	1	56.3%	0.01	0.00	0.01	585.00	—	—	—	—	—	—
331	10	70.3%	0.01	0.00	0.05	590.00	53.80	56.80	71.56	100.8%	—	0
555	7	68.8%	0.01	0.00	0.01	600.00	—	—	—	—	—	—
460	1	126.9%	0.01	0.00	0.69	610.00	—	—	—	—	—	—
58	1	139.8%	0.01	0.00	0.69	620.00	—	—	—	—	—	—
63	1	149.2%	0.13	0.00	0.60	630.00	—	—	—	—	—	—
158	1	110.9%	0.03	0.00	0.02	640.00	—	—	—	—	—	—
67	2	112.5%	0.01	0.00	0.01	650.00	—	—	—	—	—	—
32	6	121.9%	0.01	0.00	0.01	660.00	—	—	—	—	—	—
255	1	131.3%	0.11	0.00	0.01	670.00	—	—	—	—	—	—
5	4	137.5%	0.01	0.00	0.01	680.00	—	—	—	—	—	—

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 MSFT put/call ratio?

For the October 9, 2026 expiration, the MSFT put/call ratio based on open interest is 0.70 (58,604 puts vs 84,294 calls), and 0.65 based on today's volume. A ratio above 1 means more puts than calls.

What is MSFT's implied volatility?

At-the-money implied volatility for MSFT options expiring October 9, 2026 is about 3.5%, an annualized estimate of how much the market expects Microsoft stock to move.

How many MSFT option expiration dates are there?

MSFT has 20 listed expiration dates, from Oct 9, 2026 to Jan 19, 2029.

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.