FSLY · Option chain

FSLY Option Chain

Every listed FSLY strike within 25% of spot, across the next 6 expirations — calls and puts side by side with last price, volume and open interest, plus the closing bid and ask.

Open interest and pricing as of the close on 2026-09-03. Recomputed every morning before the open.

Spot

$21.12

Call open interest

25,547

Put open interest

12,985

Put/call (volume)

0.13

6,341 contracts changed hands across these expirations — 5,610 calls against 731 puts. Calls outtraded puts 7.67 to one.

Sep 11, 20266 days

call OI 1,064 · put OI 1,893

Calls				Strike	Puts
Last	Bid / Ask	Vol	OI		Last	Bid / Ask	Vol	OI
—	3.90 / 5.40	—	1	16	—	0.00 / 0.05	—	—
—	2.95 / 4.80	—	—	17	—	0.00 / 0.40	—	1
—	3.00 / 4.60	—	—	17.5	0.10	0.00 / 0.15	2	21
—	2.25 / 4.10	—	—	18	0.08	0.00 / 0.10	4	846
—	2.05 / 3.40	—	—	18.5	—	0.00 / 0.25	—	21
2.05	2.00 / 3.00	1	—	19	0.25	0.05 / 0.25	7	128
—	1.55 / 2.15	—	1	19.5	0.35	0.15 / 0.50	3	11
1.50	1.45 / 1.65	1,325	24	20	0.40	0.30 / 0.40	18	119
1.25	1.05 / 1.40	105	9	20.5	0.77	0.35 / 0.85	1	23
0.95	0.75 / 1.10	43	28	21	0.80	0.45 / 1.10	15	107
0.68	0.55 / 1.00	35	53	21.5	1.05	0.70 / 1.35	9	67
0.55	0.25 / 0.60	13	93	22	1.47	1.15 / 1.55	114	127
0.30	0.10 / 0.60	3	89	22.5	—	1.60 / 1.95	—	257
0.29	0.15 / 0.35	5	84	23	2.50	1.60 / 2.75	1	17
—	0.05 / 0.40	—	11	23.5	—	1.90 / 2.85	—	38
0.10	0.05 / 0.20	20	239	24	—	2.90 / 3.80	—	13
0.15	0.00 / 0.25	2	36	24.5	4.30	2.75 / 4.30	1	8
0.09	0.05 / 0.10	1	59	25	4.70	3.10 / 4.90	1	8
—	0.00 / 0.20	—	13	25.5	—	3.60 / 5.50	—	13
0.05	0.00 / 0.15	1	324	26	—	4.10 / 6.10	—	68
A dash means the contract did not trade — not a price of zero.

Sep 18, 202613 days

call OI 10,649 · put OI 4,735

Calls				Strike	Puts
Last	Bid / Ask	Vol	OI		Last	Bid / Ask	Vol	OI
—	4.00 / 5.80	—	—	16	—	0.00 / 0.30	—	1
—	3.30 / 5.00	—	—	17	—	0.00 / 0.20	—	2
—	3.20 / 4.00	—	1,262	17.5	—	0.05 / 0.25	—	573
—	2.80 / 3.70	—	1	18	0.25	0.10 / 0.30	4	138
—	2.25 / 3.60	—	1	18.5	—	0.05 / 0.50	—	67
2.35	2.20 / 2.85	1	6	19	0.40	0.15 / 0.60	4	47
1.95	1.95 / 2.35	5	3	19.5	0.65	0.40 / 0.75	47	507
1.84	1.65 / 2.00	32	4,552	20	0.86	0.40 / 0.85	19	684
1.55	1.50 / 1.70	98	—	20.5	0.90	0.85 / 1.05	72	46
1.25	1.20 / 1.40	91	2	21	1.20	1.10 / 1.45	35	34
1.10	1.00 / 1.20	5	1	21.5	1.50	1.35 / 1.80	9	212
0.75	0.70 / 0.95	9	9	22	—	1.35 / 1.95	—	24
0.77	0.55 / 0.80	81	849	22.5	2.17	1.80 / 2.50	3	1,608
0.59	0.40 / 0.85	2	55	23	—	2.25 / 2.65	—	150
—	0.35 / 0.55	—	205	23.5	—	2.55 / 3.10	—	31
0.36	0.30 / 0.40	1	81	24	—	3.00 / 3.80	—	93
0.24	0.15 / 0.50	8	122	24.5	—	3.20 / 4.30	—	31
0.23	0.20 / 0.35	61	3,405	25	4.47	3.80 / 4.40	3	485
—	0.05 / 0.40	—	14	25.5	—	3.80 / 5.30	—	1
—	0.05 / 0.35	—	81	26	—	4.30 / 5.80	—	1
A dash means the contract did not trade — not a price of zero.

Sep 25, 202620 days

call OI 5,006 · put OI 5,321

Calls				Strike	Puts
Last	Bid / Ask	Vol	OI		Last	Bid / Ask	Vol	OI
—	4.40 / 6.20	—	—	16	—	0.00 / 0.20	—	19
—	3.70 / 4.80	—	—	17	—	0.05 / 0.45	—	15
—	3.30 / 4.60	—	1	17.5	—	0.25 / 0.55	—	7
—	2.95 / 4.20	—	—	18	0.55	0.20 / 0.65	10	28
—	2.95 / 3.80	—	—	18.5	—	0.30 / 0.80	—	3
—	2.55 / 3.40	—	4	19	0.80	0.45 / 0.85	8	53
—	2.30 / 2.95	—	—	19.5	1.03	0.75 / 1.15	2	10
2.20	2.00 / 2.40	2	2	20	1.07	0.80 / 1.35	4	207
1.79	1.75 / 2.20	1	—	20.5	1.30	1.15 / 1.40	54	111
1.70	1.50 / 2.10	17	1,009	21	1.60	1.40 / 1.80	53	7
—	1.25 / 1.70	—	23	21.5	—	1.45 / 2.15	—	24
1.15	1.25 / 1.50	75	22	22	2.41	1.70 / 2.50	2	45
—	0.90 / 1.45	—	55	22.5	—	2.25 / 2.65	—	1,218
0.90	0.60 / 1.25	74	1,965	23	—	2.55 / 3.00	—	2,265
0.75	0.45 / 1.10	5	22	23.5	—	2.65 / 3.40	—	805
0.70	0.55 / 1.00	68	55	24	4.15	3.00 / 4.10	1	50
0.62	0.40 / 0.85	7	16	24.5	—	3.80 / 4.60	—	16
0.50	0.35 / 0.60	19	1,691	25	—	4.10 / 4.90	—	417
0.40	0.15 / 0.70	2	76	25.5	—	4.40 / 5.50	—	17
—	0.20 / 0.60	—	65	26	—	4.50 / 5.90	—	4
A dash means the contract did not trade — not a price of zero.

Oct 02, 202627 days

call OI 2,702 · put OI 322

Calls				Strike	Puts
Last	Bid / Ask	Vol	OI		Last	Bid / Ask	Vol	OI
—	3.80 / 5.20	—	—	17	—	0.15 / 0.50	—	2
—	3.10 / 4.40	—	—	18	—	0.35 / 0.80	—	28
—	2.50 / 3.60	—	—	19	—	0.60 / 1.05	—	16
—	2.20 / 2.85	—	6	20	—	0.95 / 1.45	—	96
2.00	1.70 / 2.05	58	4	21	—	1.50 / 1.95	—	26
—	1.30 / 1.85	—	5	22	—	1.95 / 2.55	—	8
—	1.15 / 1.65	—	10	22.5	—	2.45 / 2.85	—	8
1.10	1.00 / 1.30	1	34	23	—	2.50 / 3.50	—	34
—	0.80 / 1.35	—	12	23.5	—	3.10 / 3.80	—	54
—	0.55 / 1.20	—	13	24	—	3.50 / 4.00	—	30
—	0.60 / 0.90	—	11	24.5	—	3.50 / 4.70	—	3
0.58	0.55 / 0.95	1	25	25	—	4.30 / 5.10	—	7
0.50	0.40 / 0.65	1	2,521	25.5	—	4.70 / 5.60	—	6
0.50	0.40 / 0.80	5	61	26	—	4.60 / 5.90	—	4
A dash means the contract did not trade — not a price of zero.

Oct 09, 202634 days

call OI 118 · put OI 95

Calls				Strike	Puts
Last	Bid / Ask	Vol	OI		Last	Bid / Ask	Vol	OI
—	4.00 / 5.40	—	—	17	0.55	0.25 / 0.60	1	—
—	3.40 / 4.50	—	—	18	0.87	0.50 / 0.90	6	4
—	3.20 / 4.10	—	3	18.5	0.97	0.75 / 1.00	12	6
2.90	2.95 / 3.60	2	3	19	1.17	0.85 / 1.35	11	6
2.62	2.65 / 3.10	4	1	19.5	1.42	1.05 / 1.55	13	17
2.42	2.35 / 2.80	4	4	20	1.65	1.20 / 1.75	17	15
2.22	2.10 / 2.55	2	2	20.5	1.83	1.40 / 1.85	10	—
—	1.95 / 2.30	—	7	21	—	1.65 / 2.10	—	—
1.63	1.65 / 2.05	1	6	21.5	2.43	1.90 / 2.60	1	7
1.52	1.45 / 2.10	5	47	22	—	2.15 / 2.90	—	1
1.33	1.30 / 1.70	12	1	22.5	3.05	2.40 / 3.30	1	30
1.40	1.15 / 1.70	20	4	23	3.45	2.80 / 3.70	3	1
1.10	0.85 / 1.55	22	13	23.5	3.75	3.00 / 4.00	1	8
1.05	0.85 / 1.25	24	3	24	—	3.40 / 4.40	—	—
0.85	0.75 / 1.05	24	4	24.5	—	3.90 / 4.90	—	—
0.82	0.50 / 1.10	8	16	25	—	4.20 / 5.20	—	—
0.65	0.50 / 1.00	5	3	25.5	—	4.70 / 5.70	—	—
0.60	0.45 / 0.95	9	1	26	—	4.90 / 6.20	—	—
A dash means the contract did not trade — not a price of zero.

Oct 16, 202641 days

call OI 6,008 · put OI 619

Calls				Strike	Puts
Last	Bid / Ask	Vol	OI		Last	Bid / Ask	Vol	OI
4.40	4.30 / 4.50	101	105	17.5	0.68	0.60 / 0.90	38	95
2.77	2.55 / 3.00	25	156	20	1.55	1.35 / 1.75	111	218
1.70	1.60 / 1.75	3,015	5,575	22.5	—	2.80 / 3.10	—	252
1.05	0.90 / 1.15	43	172	25	—	4.60 / 5.10	—	54
A dash means the contract did not trade — not a price of zero.

How to read this chain

Calls sit on the left, puts on the right, and every row is one strike. The highlighted row is the strike closest to spot. Open interest is the number of contracts still outstanding at that strike — positions that exist right now. Volume is how many traded on the session shown. Open interest builds slowly and marks where positioning has accumulated; volume spikes and marks where attention went today.

Strikes with no open interest and no trades on either side are omitted, and the ladder is trimmed to within 25% of spot — the far wings are almost entirely empty and say nothing about positioning.

More on FSLY

FSLY options score FSLY gamma walls FSLY max pain FSLY IV rank FSLY put/call ratio FSLY options flow

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Educational, not investment advice. Options involve risk. Open interest is reported with a one-session lag by OCC, so these levels describe positioning as of the last settled session, not live intraday flow.