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: Jun 16, 2028
Days to expiration: 614
Share price: $233.73
Put/call ratio (OI): 0.63
Put/call ratio (volume): 0.86
ATM implied volatility: 58.5%
Expected move: ±$177.46
Open interest (C / P): 3.76K / 2.36K

ZS options summary

The ZS options chain for the June 16, 2028 expiration lists 39 call and 35 put contracts, with 614 days until expiration. Open interest stands at 3,759 calls and 2,363 puts, a put/call ratio of 0.63, which is tilted bullish, with calls outnumbering puts. At-the-money implied volatility near the $230.00 strike is 58.5%, which implies the market expects a move of about ±$177.46 (75.9%) in Zscaler stock by expiration.

The most open interest sits at the $250.00 call (611 contracts) and the $230.00 put (451 contracts).

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

ZS options chain · June 16, 2028

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
24	2	92.1%	138.00	179.50	184.00	60.00	0.54	5.00	2.32	69.0%	5	43
0	2	—	121.50	0.00	0.00	65.00	1.64	2.65	3.01	61.5%	2	85
0	40	—	119.50	0.00	0.00	70.00	2.32	4.60	3.40	64.9%	4	35
4	1	85.3%	130.00	167.00	171.50	75.00	2.89	4.15	6.03	61.7%	10	14
54	2	83.5%	129.50	163.00	167.50	80.00	3.10	4.70	5.20	60.0%	1	71
7	2	81.8%	123.83	159.00	163.50	85.00	3.60	5.65	6.78	59.6%	1	26
65	1	81.3%	127.00	155.50	160.00	90.00	4.15	6.35	6.97	58.6%	2	5
42	10	79.2%	126.44	151.50	155.70	95.00	5.80	7.30	9.10	59.4%	30	33
135	2	78.8%	133.76	148.00	152.50	100.00	6.80	8.10	8.32	58.8%	1	262
0	1	—	95.10	0.00	0.00	105.00	7.80	9.45	11.17	58.7%	4	167
33	10	76.1%	113.88	140.50	144.80	110.00	8.35	9.85	12.32	56.9%	1	43
19	1	75.0%	103.72	137.00	141.15	115.00	9.55	11.20	11.50	56.8%	1	28
63	10	74.4%	107.88	134.00	137.45	120.00	10.05	12.75	14.10	56.1%	1	198
172	1	73.5%	112.70	130.50	134.10	125.00	11.85	14.10	13.38	56.2%	7	59
76	1	73.5%	126.49	127.00	132.00	130.00	14.00	15.25	15.30	56.3%	4	158
91	1	72.4%	105.75	124.00	127.95	135.00	15.75	16.70	16.90	56.1%	2	61
130	1	71.7%	97.00	121.00	124.55	140.00	16.85	18.80	19.77	55.8%	1	119
23	3	71.4%	111.40	118.25	121.60	145.00	18.05	20.75	21.73	55.4%	1	6
176	2	70.9%	86.12	115.00	119.00	150.00	19.80	22.50	25.00	55.2%	1	70
82	1	70.6%	81.80	112.00	116.50	155.00	20.50	25.00	27.75	54.6%	1	9
176	1	70.4%	99.00	109.50	113.70	160.00	22.00	25.55	28.00	53.3%	1	232
70	1	69.1%	93.59	106.50	109.75	165.00	24.05	27.75	31.34	53.3%	3	12
43	1	69.5%	100.00	104.00	108.35	170.00	27.20	30.25	36.80	54.0%	1	9
51	1	69.4%	97.00	101.50	106.00	175.00	29.70	32.30	37.75	53.9%	1	3
58	1	68.6%	88.00	98.50	103.15	180.00	30.50	34.20	33.33	52.8%	4	9
14	1	68.2%	76.65	96.50	100.00	185.00	34.05	36.75	41.06	53.4%	5	6
55	2	68.2%	93.26	94.00	98.35	190.00	36.75	38.70	46.74	53.1%	1	33
62	2	67.4%	93.00	91.50	95.20	195.00	38.25	41.35	47.50	52.6%	2	0
286	1	66.7%	89.31	89.00	92.30	200.00	40.55	43.75	43.21	52.3%	5	57
57	1	67.0%	86.13	85.00	89.00	210.00	45.65	49.05	53.54	51.9%	5	14
63	1	66.5%	79.35	80.50	85.05	220.00	50.50	54.10	58.93	51.1%	1	37
99	10	66.3%	76.98	77.00	81.10	230.00	56.35	59.80	59.04	50.8%	2	451
ZS $233.73
540	1	65.6%	73.64	73.00	77.00	240.00	90.00	93.90	116.61	75.3%	—	1
611	1	65.3%	65.81	69.50	73.50	250.00	—	—	—	—	—	—
119	8	64.6%	53.85	66.00	69.45	260.00	—	—	88.53	—	—	—
122	2	64.5%	52.25	63.00	66.40	270.00	—	—	—	—	—	—
133	2	64.3%	59.00	60.00	63.65	280.00	87.15	91.50	94.28	50.5%	2	7
—	—	—	42.40	—	—	290.00	—	—	—	—	—	—
4	1	63.9%	53.00	54.50	58.20	300.00	—	—	—	—	—	—

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 June 16, 2028 expiration, the ZS put/call ratio based on open interest is 0.63 (2,363 puts vs 3,759 calls), and 0.86 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 June 16, 2028 is about 58.5%, 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.