Fortinet (FTNT) Options Chain

NASDAQ: FTNTTechnologyComputer peripheral equipmentUSD

194.75+5.65 (+2.99%)

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

Expiration date

Expiration: Oct 30, 2026
Days to expiration: 20
Share price: $194.75
Put/call ratio (OI): 0.84
Put/call ratio (volume): 4.29
ATM implied volatility: 72.1%
Expected move: ±$32.85
Open interest (C / P): 3.86K / 3.23K

FTNT options summary

The FTNT options chain for the October 30, 2026 expiration lists 23 call and 19 put contracts, with 20 days until expiration. Open interest stands at 3,863 calls and 3,227 puts, a put/call ratio of 0.84, which is fairly balanced between calls and puts. At-the-money implied volatility near the $195.00 strike is 72.1%, which implies the market expects a move of about ±$32.85 (16.9%) in Fortinet stock by expiration.

The most open interest sits at the $180.00 call (1.47K contracts) and the $120.00 put (623 contracts).

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

FTNT options chain · October 30, 2026

FTNT 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
2	2	109.0%	90.12	92.85	96.75	100.00	0.00	2.13	0.34	170.1%	2	2
6	2	113.1%	71.50	87.85	91.90	105.00	—	—	—	—	—	—
—	—	—	—	—	—	110.00	0.00	2.13	0.14	148.8%	—	2
3	2	95.1%	75.91	77.90	81.80	115.00	0.00	2.14	0.53	139.0%	—	1
—	—	—	—	—	—	120.00	0.00	0.10	0.09	81.3%	625	623
—	—	—	—	—	—	125.00	0.00	2.18	1.87	120.7%	—	1
13	10	83.8%	53.45	63.00	66.95	130.00	0.00	0.72	0.18	90.3%	1	5
—	—	—	—	—	—	135.00	0.00	1.16	0.56	90.4%	1	19
—	—	—	—	—	—	140.00	0.04	0.53	0.40	73.0%	17	64
—	—	—	—	—	—	145.00	0.37	0.65	0.55	73.5%	16	95
2	—	75.9%	27.33	43.90	47.50	150.00	0.78	0.91	0.83	73.9%	25	193
24	1	74.8%	29.19	39.20	43.05	155.00	1.17	1.30	1.23	72.8%	41	581
17	1	75.1%	33.65	34.95	38.65	160.00	1.68	1.96	1.77	72.4%	154	565
16	1	73.3%	28.72	30.65	34.30	165.00	2.41	2.88	2.53	72.5%	50	502
72	7	76.1%	27.10	27.45	30.35	170.00	3.30	3.80	3.55	71.3%	38	361
833	16	75.5%	24.75	24.65	25.75	175.00	4.55	5.15	4.75	71.3%	47	127
1,466	2	76.0%	21.88	21.20	22.65	180.00	6.05	6.75	6.26	71.0%	55	48
48	2	73.0%	16.65	18.05	18.70	185.00	7.85	8.65	8.30	70.7%	37	29
181	22	71.7%	15.10	14.90	15.85	190.00	10.05	10.85	10.30	70.7%	2	5
FTNT $194.75
67	7	72.1%	12.98	12.40	13.55	195.00	—	—	—	—	—	—
113	16	72.3%	10.47	10.15	11.55	200.00	—	—	—	—	—	—
695	17	70.8%	7.95	8.25	9.15	205.00	17.45	20.20	23.05	70.1%	1	4
49	13	73.8%	7.05	6.70	8.50	210.00	—	—	—	—	—	—
51	5	70.2%	5.20	5.20	6.10	215.00	—	—	—	—	—	—
35	7	69.9%	4.57	3.95	5.00	220.00	—	—	—	—	—	—
115	122	69.9%	3.68	3.10	4.00	225.00	—	—	—	—	—	—
6	1	68.4%	2.38	1.38	3.85	230.00	—	—	—	—	—	—
32	2	68.2%	1.85	1.05	2.95	235.00	—	—	—	—	—	—
17	1	74.5%	1.95	0.83	3.40	240.00	—	—	—	—	—	—

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 FTNT put/call ratio?

For the October 30, 2026 expiration, the FTNT put/call ratio based on open interest is 0.84 (3,227 puts vs 3,863 calls), and 4.29 based on today's volume. A ratio above 1 means more puts than calls.

What is FTNT's implied volatility?

At-the-money implied volatility for FTNT options expiring October 30, 2026 is about 72.1%, an annualized estimate of how much the market expects Fortinet stock to move.

How many FTNT option expiration dates are there?

FTNT has 13 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.