Fastly (FSLY) Options Chain

NASDAQ: FSLYTechnologyComputer Software: Prepackaged SoftwareUSD

29.30+4.01 (+15.86%)

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

Expiration date

Expiration: Oct 23, 2026
Days to expiration: 13
Share price: $29.30
Put/call ratio (OI): 0.52
Put/call ratio (volume): 0.59
ATM implied volatility: 84.4%
Expected move: ±$4.67
Open interest (C / P): 5.29K / 2.73K

FSLY options summary

The FSLY options chain for the October 23, 2026 expiration lists 40 call and 33 put contracts, with 13 days until expiration. Open interest stands at 5,294 calls and 2,734 puts, a put/call ratio of 0.52, which is tilted bullish, with calls outnumbering puts. At-the-money implied volatility near the $29.50 strike is 84.4%, which implies the market expects a move of about ±$4.67 (15.9%) in Fastly stock by expiration.

The most open interest sits at the $30.50 call (3.11K contracts) and the $24.00 put (525 contracts).

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

FSLY options chain · October 23, 2026

FSLY 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
8	2	349.4%	14.36	12.80	15.50	15.00	0.00	0.60	0.20	233.6%	2	9
—	—	—	—	—	—	15.50	0.00	0.60	0.23	223.8%	—	1
7	—	195.7%	11.45	12.50	14.50	16.00	0.00	0.60	0.13	214.4%	6	1
—	—	—	—	—	—	16.50	0.00	0.60	0.18	205.3%	2	21
0	—	178.9%	9.85	11.50	13.50	17.00	0.00	0.60	0.10	196.5%	2	24
5	22	170.7%	9.05	11.00	13.00	17.50	0.00	0.55	0.30	183.6%	1	16
11	—	274.6%	8.58	10.00	12.50	18.00	0.00	0.35	0.18	158.2%	3	126
—	—	—	—	—	—	18.50	0.00	0.10	0.06	119.5%	60	67
1	1	252.3%	6.60	9.00	11.50	19.00	0.00	0.10	0.10	113.3%	3	23
1	1	241.6%	6.25	8.30	11.00	19.50	0.00	0.60	0.20	155.1%	20	32
22	4	101.6%	8.52	8.10	10.60	20.00	0.00	0.15	0.20	108.6%	5	130
4	2	126.2%	5.97	8.00	10.00	20.50	0.00	0.25	0.15	113.7%	7	29
19	2	126.2%	8.30	7.20	9.90	21.00	0.00	0.20	0.23	102.3%	5	104
5	6	125.0%	4.28	7.10	9.10	21.50	0.00	0.25	0.26	101.2%	1	22
20	2	117.8%	5.15	6.60	8.60	22.00	0.05	0.30	0.05	102.3%	38	86
5	3	84.6%	4.16	5.70	8.10	22.50	0.00	0.20	0.18	84.6%	2	319
9	2	78.9%	2.64	5.20	7.60	23.00	0.10	0.20	0.16	86.3%	5	222
14	2	80.3%	2.35	4.80	7.10	23.50	0.05	0.40	0.13	89.3%	4	42
43	2	85.2%	5.50	4.50	6.60	24.00	0.10	0.30	0.22	80.1%	2	525
77	5	78.7%	5.20	4.10	6.00	24.50	0.15	0.50	0.23	85.3%	10	83
192	24	98.4%	5.18	3.70	4.90	25.00	0.30	0.40	0.32	80.5%	39	60
307	220	73.5%	4.30	3.80	4.50	25.50	0.25	0.70	0.47	82.4%	83	65
118	40	76.6%	3.91	3.50	4.10	26.00	0.40	0.70	0.52	79.8%	76	217
343	29	77.9%	3.89	3.10	3.80	26.50	0.60	0.90	0.70	83.5%	34	128
123	60	80.5%	3.39	2.90	3.40	27.00	0.65	1.00	0.78	79.2%	50	11
148	142	71.8%	3.40	2.20	3.10	27.50	0.90	1.25	1.00	82.9%	21	6
98	15	75.9%	2.48	2.10	2.75	28.00	1.10	1.40	1.21	81.7%	11	18
81	58	75.1%	2.15	1.75	2.50	28.50	1.30	1.80	1.51	85.3%	9	3
55	19	76.8%	2.55	1.55	2.25	29.00	1.50	2.00	1.50	83.3%	92	12
FSLY $29.30
74	30	87.1%	1.90	1.60	2.20	29.50	1.75	2.20	1.74	81.6%	6	3
160	27	77.9%	1.72	1.15	1.80	30.00	2.10	2.60	2.10	85.6%	5	2
3,109	148	79.9%	1.48	1.00	1.65	30.50	2.40	3.00	5.90	87.6%	1	124
40	65	83.3%	1.34	1.05	1.40	31.00	—	—	—	—	—	—
117	13	84.5%	1.25	0.75	1.15	32.00	2.95	4.30	6.00	83.3%	—	203
13	10	87.9%	0.88	0.60	0.95	33.00	—	—	—	—	—	—
8	5	87.5%	0.65	0.40	0.75	34.00	—	—	—	—	—	—
17	43	89.3%	0.40	0.35	0.55	35.00	—	—	—	—	—	—
2	1	92.6%	0.36	0.20	0.55	36.00	—	—	—	—	—	—
9	5	94.5%	0.16	0.15	0.45	37.00	—	—	—	—	—	—
10	2	92.0%	0.18	0.05	0.35	38.00	—	—	—	—	—	—
1	5	98.6%	0.18	0.10	0.30	39.00	—	—	—	—	—	—
15	11	113.3%	0.15	0.10	0.45	40.00	—	—	—	—	—	—
3	—	101.0%	0.25	0.00	0.25	41.00	—	—	—	—	—	—

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 FSLY put/call ratio?

For the October 23, 2026 expiration, the FSLY put/call ratio based on open interest is 0.52 (2,734 puts vs 5,294 calls), and 0.59 based on today's volume. A ratio above 1 means more puts than calls.

What is FSLY's implied volatility?

At-the-money implied volatility for FSLY options expiring October 23, 2026 is about 84.4%, an annualized estimate of how much the market expects Fastly stock to move.

How many FSLY option expiration dates are there?

FSLY 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.