Zscaler (ZS) Options Chain

NASDAQ: ZSTechnologyEDP ServicesUSD

233.73+16.92 (+7.80%)

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

Expiration date

Expiration: Oct 23, 2026
Days to expiration: 12
Share price: $233.73
Put/call ratio (OI): 1.09
Put/call ratio (volume): 0.78
ATM implied volatility: 50.8%
Expected move: ±$21.53
Open interest (C / P): 2.13K / 2.31K

ZS options summary

The ZS options chain for the October 23, 2026 expiration lists 47 call and 52 put contracts, with 12 days until expiration. Open interest stands at 2,128 calls and 2,311 puts, a put/call ratio of 1.09, which is fairly balanced between calls and puts. At-the-money implied volatility near the $232.50 strike is 50.8%, which implies the market expects a move of about ±$21.53 (9.2%) in Zscaler stock by expiration.

The most open interest sits at the $205.00 call (270 contracts) and the $207.50 put (253 contracts).

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

ZS options chain · October 23, 2026

ZS 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
—	—	—	—	—	—	105.00	0.00	2.13	0.05	239.4%	10	0
—	—	—	99.96	—	—	110.00	0.00	2.13	0.89	226.9%	—	1
—	—	—	—	—	—	115.00	0.00	2.13	0.81	215.0%	1	1
1	—	215.5%	74.30	112.25	115.15	120.00	—	—	—	—	—	—
—	—	—	—	—	—	125.00	0.00	0.29	0.37	141.4%	10	14
—	—	—	—	—	—	130.00	0.00	2.13	0.25	182.1%	3	9
—	—	—	—	—	—	135.00	0.00	2.13	0.40	171.9%	10	31
—	—	—	—	—	—	140.00	0.00	2.13	0.10	162.1%	12	12
0	1	96.1%	56.85	87.30	90.25	145.00	0.00	2.13	0.11	152.6%	4	36
—	—	—	—	—	—	146.00	0.00	2.13	0.24	150.7%	3	4
—	—	—	—	—	—	147.00	0.00	2.13	1.23	148.9%	1	2
—	—	—	—	—	—	148.00	0.00	2.13	0.47	147.0%	1	3
—	—	—	—	—	—	149.00	0.00	2.13	0.84	145.2%	2	2
8	8	82.8%	32.40	82.30	85.20	150.00	0.00	2.13	0.80	143.4%	3	11
—	—	—	—	—	—	152.50	0.00	2.13	0.05	138.9%	1	1
1	—	77.3%	14.50	77.30	80.20	155.00	0.00	2.13	0.75	134.4%	3	184
1	4	90.8%	35.80	74.85	77.85	157.50	0.00	2.14	0.32	130.1%	1	8
8	1	87.7%	38.23	72.35	75.35	160.00	0.00	0.11	0.31	79.7%	4	17
8	9	120.3%	41.81	69.85	72.25	162.50	0.00	2.14	0.83	121.5%	1	15
8	1	120.7%	56.30	67.40	69.95	165.00	0.00	2.14	0.32	117.3%	4	49
4	1	81.9%	30.95	64.90	67.90	167.50	0.00	1.06	0.39	98.4%	1	10
16	1	110.0%	44.00	62.35	64.85	170.00	0.01	0.29	0.06	77.3%	2	25
15	5	97.8%	55.83	60.60	63.40	172.50	0.00	0.56	0.25	81.5%	5	51
66	50	77.7%	35.50	57.40	60.60	175.00	0.02	0.68	0.04	81.1%	12	146
5	5	100.7%	43.47	54.85	57.50	177.50	0.00	0.80	0.22	79.5%	10	44
22	17	58.6%	53.00	52.65	54.95	180.00	0.00	0.13	0.05	58.2%	7	222
1	20	75.6%	45.88	50.70	52.75	182.50	0.00	0.18	0.07	57.8%	7	19
20	23	62.6%	43.90	47.95	49.95	185.00	0.00	0.34	0.10	60.2%	23	56
2	20	62.5%	45.20	44.85	48.20	187.50	0.05	0.20	0.13	54.6%	45	21
68	22	85.8%	42.75	42.30	45.35	190.00	0.15	0.50	0.15	60.3%	151	159
22	1	68.4%	39.15	40.85	43.20	192.50	0.00	0.74	0.25	58.5%	12	19
113	3	59.6%	37.87	38.10	40.45	195.00	0.04	0.69	0.41	55.1%	26	51
10	3	70.8%	22.50	35.30	37.65	197.50	0.00	1.40	0.64	59.4%	1	76
127	13	58.0%	32.28	33.30	35.80	200.00	0.25	0.89	0.60	53.3%	54	134
13	1	51.3%	18.00	30.55	33.20	202.50	0.51	1.26	0.77	55.4%	4	143
270	12	66.8%	27.41	28.10	30.85	205.00	0.57	1.30	0.85	52.5%	44	116
16	3	63.9%	15.00	26.00	28.50	207.50	1.00	1.73	1.12	54.3%	38	253
127	9	62.8%	23.42	23.75	26.35	210.00	1.00	2.16	1.83	52.7%	40	159
196	14	51.2%	22.80	22.05	24.10	212.50	1.50	2.84	2.52	54.3%	8	19
246	120	54.8%	19.80	20.75	22.20	215.00	1.82	2.99	2.25	51.9%	49	30
76	9	58.6%	17.33	17.50	20.10	217.50	2.07	3.75	3.30	51.4%	26	20
128	77	51.3%	15.75	16.20	18.35	220.00	2.92	4.75	3.95	53.3%	111	111
19	1	58.3%	13.84	14.05	16.60	222.50	—	—	10.80	—	—	—
47	203	51.0%	13.66	12.85	14.85	225.00	4.55	5.35	4.85	52.5%	644	3
5	14	56.6%	11.15	10.60	13.25	227.50	—	—	—	—	—	—
95	56	50.6%	10.54	9.60	12.05	230.00	6.10	9.00	8.15	53.3%	110	1
50	13	50.3%	8.64	8.25	10.65	232.50	6.95	9.85	9.65	51.3%	2	12
ZS $233.73
53	36	51.3%	8.09	7.50	9.35	235.00	—	—	—	—	—	—
68	172	58.0%	6.11	4.75	7.50	240.00	11.25	14.25	13.35	52.1%	4	7
49	123	54.1%	4.52	4.50	5.75	245.00	14.90	17.30	33.80	52.3%	—	1
28	140	52.9%	3.45	3.20	4.00	250.00	18.55	21.35	39.85	53.5%	2	1
20	404	55.1%	2.68	1.48	2.85	255.00	—	—	—	—	—	—
13	220	52.6%	1.50	1.23	2.30	260.00	26.75	29.00	63.22	51.0%	1	1
31	17	52.6%	0.98	0.78	1.64	265.00	31.25	33.95	57.11	54.0%	2	1
12	68	53.5%	0.90	0.60	1.14	270.00	35.75	38.70	49.10	54.7%	1	0
11	10	52.6%	0.31	0.03	1.04	275.00	—	—	—	—	—	—
2	16	52.2%	0.43	0.01	0.65	280.00	45.55	48.25	67.55	59.1%	—	0
27	5	53.2%	0.20	0.15	0.32	285.00	—	—	—	—	—	—

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 ZS put/call ratio?

For the October 23, 2026 expiration, the ZS put/call ratio based on open interest is 1.09 (2,311 puts vs 2,128 calls), and 0.78 based on today's volume. A ratio above 1 means more puts than calls.

What is ZS's implied volatility?

At-the-money implied volatility for ZS options expiring October 23, 2026 is about 50.8%, an annualized estimate of how much the market expects Zscaler stock to move.

How many ZS option expiration dates are there?

ZS has 16 listed expiration dates, from Oct 16, 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.