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 30, 2026
Days to expiration: 19
Share price: $233.73
Put/call ratio (OI): 0.61
Put/call ratio (volume): 2.00
ATM implied volatility: 55.7%
Expected move: ±$29.72
Open interest (C / P): 4.06K / 2.49K

ZS options summary

The ZS options chain for the October 30, 2026 expiration lists 47 call and 39 put contracts, with 19 days until expiration. Open interest stands at 4,064 calls and 2,486 puts, a put/call ratio of 0.61, which is tilted bullish, with calls outnumbering puts. At-the-money implied volatility near the $232.50 strike is 55.7%, which implies the market expects a move of about ±$29.72 (12.7%) in Zscaler stock by expiration.

The most open interest sits at the $220.00 call (924 contracts) and the $210.00 put (669 contracts).

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

ZS options chain · October 30, 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
1	—	151.9%	93.44	117.20	121.25	115.00	—	—	—	—	—	—
1	1	123.6%	68.45	102.15	106.10	130.00	0.00	1.00	0.18	128.3%	1	7
—	—	—	—	—	—	135.00	0.00	2.13	0.23	138.6%	6	3
—	—	—	—	—	—	140.00	0.00	2.13	0.19	130.7%	1	1
1	1	109.5%	59.55	87.45	91.15	145.00	0.00	2.13	0.12	123.0%	14	29
17	2	103.4%	64.38	82.45	86.20	150.00	0.00	2.14	0.15	115.7%	2	41
3	1	100.9%	78.68	80.00	83.70	152.50	0.00	2.14	1.35	112.1%	2	59
2	1	96.8%	40.78	77.45	81.20	155.00	0.00	2.14	0.17	108.5%	4	9
1	1	94.3%	72.21	75.00	78.70	157.50	0.00	2.15	0.13	105.0%	5	52
3	—	91.1%	55.60	72.50	76.20	160.00	0.00	0.95	0.19	86.9%	14	27
—	—	—	—	—	—	162.50	0.00	1.56	0.15	91.8%	1	31
4	2	84.1%	42.43	67.55	71.10	165.00	0.05	0.90	0.03	80.8%	21	33
3	1	83.5%	31.75	65.05	68.80	167.50	0.00	0.34	0.14	66.1%	1	8
11	9	76.7%	35.55	62.55	66.00	170.00	0.00	0.64	0.10	69.9%	17	57
0	—	78.3%	29.72	60.10	63.85	172.50	0.00	1.18	0.41	74.8%	9	12
5	1	75.2%	31.95	57.60	61.35	175.00	0.00	0.15	0.15	52.3%	41	72
3	2	73.6%	23.64	55.20	58.90	177.50	0.00	1.46	0.50	71.9%	8	11
11	1	65.5%	50.90	52.70	55.90	180.00	0.10	0.76	0.25	62.2%	5	87
1	1	56.3%	25.87	50.25	52.85	182.50	0.00	0.90	0.26	59.9%	10	21
12	2	57.6%	33.35	47.80	50.60	185.00	0.00	0.51	0.40	51.7%	13	35
5	2	53.7%	17.09	45.45	47.85	187.50	0.13	0.80	0.74	54.7%	1	32
68	4	58.5%	45.00	42.90	46.20	190.00	0.50	1.39	0.67	60.4%	110	159
33	2	51.8%	22.20	40.55	43.10	192.50	0.53	1.50	2.13	58.4%	3	8
72	18	52.9%	37.32	38.20	40.95	195.00	0.66	1.12	0.99	53.6%	13	44
31	2	54.5%	30.05	36.00	38.85	197.50	0.80	1.69	2.33	55.1%	13	25
210	8	54.4%	32.56	33.70	36.70	200.00	0.93	1.70	1.50	52.8%	14	71
428	11	55.9%	30.50	32.05	34.35	202.50	1.11	2.10	1.60	52.5%	7	215
283	2	54.2%	24.45	29.75	32.05	205.00	1.41	3.35	2.48	56.0%	1	32
196	3	55.4%	17.25	27.95	30.05	207.50	1.76	3.75	7.65	55.3%	26	177
210	15	54.9%	26.00	25.50	28.40	210.00	2.19	3.90	3.45	53.7%	363	669
162	3	52.4%	13.98	23.50	25.80	212.50	2.63	4.65	4.05	53.8%	9	258
409	56	53.3%	21.44	21.95	23.90	215.00	3.40	5.35	4.21	54.3%	373	109
16	37	52.7%	18.70	20.05	22.05	217.50	4.00	5.90	4.95	53.5%	182	56
924	58	50.8%	18.81	17.60	20.35	220.00	4.65	6.95	5.85	53.7%	55	2
—	—	—	8.84	—	—	222.50	5.65	7.75	6.85	53.8%	2	29
55	145	52.3%	15.61	15.15	17.05	225.00	—	—	—	—	—	—
54	30	56.1%	13.85	12.80	15.45	227.50	—	—	—	—	—	—
232	41	51.0%	12.40	11.65	14.35	230.00	—	—	23.05	—	—	—
49	10	55.7%	11.25	10.15	12.75	232.50	—	—	—	—	—	—
ZS $233.73
33	15	55.2%	8.80	8.80	11.45	235.00	10.90	13.45	27.10	52.7%	—	4
171	66	54.9%	8.25	6.75	9.25	240.00	—	—	—	—	—	—
61	36	50.1%	7.15	5.45	7.45	245.00	—	—	—	—	—	—
116	27	52.5%	5.65	5.00	5.90	250.00	20.45	23.05	40.95	52.7%	—	1
56	2	53.5%	4.35	3.95	4.85	255.00	—	—	—	—	—	—
20	1	51.1%	2.50	2.38	3.65	260.00	—	—	—	—	—	—
37	1	51.3%	2.45	1.77	2.80	265.00	—	—	—	—	—	—
4	1	51.2%	0.65	1.14	2.20	270.00	—	—	—	—	—	—
2	37	52.0%	1.30	1.00	1.60	275.00	—	—	—	—	—	—
34	10	52.0%	1.00	0.44	1.45	280.00	—	—	71.96	—	—	—
14	3	53.6%	0.69	0.58	0.99	285.00	—	—	75.25	—	—	—

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 30, 2026 expiration, the ZS put/call ratio based on open interest is 0.61 (2,486 puts vs 4,064 calls), and 2.00 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 30, 2026 is about 55.7%, 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.