PANW Options Open Interest by Strike, Oct 21 Settlement

PANW open interest settled 2026-10-21 vs 2026-10-20.

Source: SquawkFlow's archive of settled open interest. Counts are contracts, not trades; they do not identify which side opened or closed a position.

Computed from the Oct 21 settlement. Next update after the Oct 22 settlement, after 5:30 a.m. PT (8:30 a.m. ET) on Friday, Oct 23, 2026.

All archived unexpired expiration/strike/type keys, including unchanged counts. Series sharing that key are combined; roots and deliverables are not retained. Zero-OI keys omitted by the archive are not reconstructed.

This page shows the 6 nearest of 18 expirations, with the 40 strikes nearest the archived reference price (2026-10-21) for each, plus the largest changes across the whole book. The complete book, 2,709 expiration/strike/type keys, is in the Markdown table.

Strike bucket on the horizontal axis, settled open contracts per bucket on the vertical axis. Calls in the accent color; puts in orange. Totals across the 6 nearest expirations, strikes from 278 to 417. Source: SquawkFlow's archive of settled open interest. Counts are contracts, not trades; they do not identify which side opened or closed a position.

PANW: largest changes in the full book, settled 2026-10-21 vs 2026-10-20

Strike	Expiry	Type	Prior OI	Settled OI	Change
325	10/30	put	4,198	6,085	+1,887
420	12/17	call	789	2,268	+1,479
210	12/18	call	583	1,528	+945
210	01/15	call	728	1,411	+683
235	10/30	put	961	1,533	+572
760	12/17	call	608	275	-333
450	01/21	call	993	1,313	+320
320	10/23	put	541	827	+286
280	06/17	put	1,069	1,346	+277
360	01/15	call	1,450	1,198	-252
450	11/20	call	3,893	4,138	+245
380	10/23	call	1,464	1,688	+224
360	06/17	call	1,234	1,439	+205
400	12/18	call	1,643	1,811	+168
325	10/23	put	352	515	+163

Expiration 2026-10-23

PANW open interest, settled 2026-10-21, expiration 2026-10-23, strikes 297.5 to 395

Strike	Expiry	Type	Prior OI	Settled OI	Change
297.5	10/23	call	2	2	0
297.5	10/23	put	0	2	+2
300	10/23	call	25	25	0
300	10/23	put	559	562	+3
302.5	10/23	call	2	2	0
302.5	10/23	put	14	15	+1
305	10/23	call	6	6	0
305	10/23	put	140	146	+6
307.5	10/23	call	14	14	0
307.5	10/23	put	26	26	0
310	10/23	call	18	20	+2
310	10/23	put	435	469	+34
312.5	10/23	call	22	22	0
312.5	10/23	put	75	75	0
315	10/23	call	8	7	-1
315	10/23	put	497	488	-9
317.5	10/23	call	1	1	0
317.5	10/23	put	68	73	+5
320	10/23	call	29	29	0
320	10/23	put	541	827	+286
322.5	10/23	put	63	62	-1
325	10/23	call	47	62	+15
325	10/23	put	352	515	+163
327.5	10/23	put	64	114	+50
330	10/23	call	48	41	-7
330	10/23	put	763	845	+82
332.5	10/23	put	58	62	+4
335	10/23	call	51	48	-3
335	10/23	put	1,172	1,263	+91
337.5	10/23	call	10	20	+10
337.5	10/23	put	50	89	+39
340	10/23	call	149	215	+66
340	10/23	put	553	569	+16
342.5	10/23	call	73	51	-22
342.5	10/23	put	691	647	-44
345	10/23	call	296	293	-3
345	10/23	put	258	268	+10
347.5	10/23	call	92	105	+13
347.5	10/23	put	86	108	+22
350	10/23	call	857	764	-93
350	10/23	put	437	443	+6
352.5	10/23	call	138	171	+33
352.5	10/23	put	47	55	+8
355	10/23	call	365	410	+45
355	10/23	put	392	447	+55
357.5	10/23	call	258	272	+14
357.5	10/23	put	31	31	0
360	10/23	call	532	610	+78
360	10/23	put	938	943	+5
362.5	10/23	call	79	152	+73
362.5	10/23	put	116	116	0
365	10/23	call	283	344	+61
365	10/23	put	164	145	-19
367.5	10/23	call	239	264	+25
367.5	10/23	put	102	92	-10
370	10/23	call	425	527	+102
370	10/23	put	288	264	-24
372.5	10/23	call	83	98	+15
372.5	10/23	put	48	48	0
375	10/23	call	344	442	+98
375	10/23	put	158	157	-1
377.5	10/23	call	85	106	+21
377.5	10/23	put	141	141	0
380	10/23	call	1,464	1,688	+224
380	10/23	put	147	140	-7
382.5	10/23	call	173	178	+5
382.5	10/23	put	31	24	-7
385	10/23	call	315	379	+64
385	10/23	put	266	258	-8
387.5	10/23	call	55	54	-1
387.5	10/23	put	73	64	-9
390	10/23	call	300	302	+2
390	10/23	put	6	5	-1
392.5	10/23	call	158	165	+7
392.5	10/23	put	16	10	-6
395	10/23	call	651	661	+10
395	10/23	put	5	2	-3

Expiration 2026-10-30

PANW open interest, settled 2026-10-21, expiration 2026-10-30, strikes 297.5 to 395

Strike	Expiry	Type	Prior OI	Settled OI	Change
297.5	10/30	put	20	20	0
300	10/30	call	2	2	0
300	10/30	put	3,317	3,326	+9
302.5	10/30	call	1	1	0
302.5	10/30	put	79	79	0
305	10/30	put	138	140	+2
307.5	10/30	put	88	89	+1
310	10/30	call	5	6	+1
310	10/30	put	206	219	+13
312.5	10/30	put	4	5	+1
315	10/30	call	3	3	0
315	10/30	put	207	204	-3
317.5	10/30	put	79	79	0
320	10/30	call	14	13	-1
320	10/30	put	661	674	+13
322.5	10/30	put	8	38	+30
325	10/30	call	8	7	-1
325	10/30	put	4,198	6,085	+1,887
327.5	10/30	put	47	52	+5
330	10/30	call	14	12	-2
330	10/30	put	545	522	-23
332.5	10/30	call	5	5	0
332.5	10/30	put	1	3	+2
335	10/30	call	10	10	0
335	10/30	put	361	360	-1
337.5	10/30	call	12	12	0
337.5	10/30	put	40	42	+2
340	10/30	call	56	55	-1
340	10/30	put	3,233	3,239	+6
342.5	10/30	call	9	7	-2
342.5	10/30	put	46	46	0
345	10/30	call	40	48	+8
345	10/30	put	189	190	+1
347.5	10/30	call	102	120	+18
347.5	10/30	put	30	34	+4
350	10/30	call	119	136	+17
350	10/30	put	1,915	1,919	+4
352.5	10/30	call	37	42	+5
352.5	10/30	put	9	10	+1
355	10/30	call	81	103	+22
355	10/30	put	274	285	+11
357.5	10/30	call	103	105	+2
357.5	10/30	put	46	47	+1
360	10/30	call	174	186	+12
360	10/30	put	142	169	+27
362.5	10/30	call	138	137	-1
362.5	10/30	put	58	58	0
365	10/30	call	102	112	+10
365	10/30	put	82	81	-1
367.5	10/30	call	171	171	0
367.5	10/30	put	35	35	0
370	10/30	call	210	215	+5
370	10/30	put	1,660	1,659	-1
372.5	10/30	call	16	18	+2
372.5	10/30	put	8	11	+3
375	10/30	call	319	330	+11
375	10/30	put	132	130	-2
377.5	10/30	call	24	27	+3
377.5	10/30	put	4	4	0
380	10/30	call	207	237	+30
380	10/30	put	258	257	-1
382.5	10/30	call	16	70	+54
382.5	10/30	put	15	24	+9
385	10/30	call	185	193	+8
385	10/30	put	47	49	+2
387.5	10/30	call	102	105	+3
387.5	10/30	put	7	7	0
390	10/30	call	174	194	+20
390	10/30	put	788	784	-4
392.5	10/30	call	4	4	0
392.5	10/30	put	6	6	0
395	10/30	call	167	181	+14
395	10/30	put	37	36	-1

Expiration 2026-11-06

PANW open interest, settled 2026-10-21, expiration 2026-11-06, strikes 275 to 420

Strike	Expiry	Type	Prior OI	Settled OI	Change
275	11/06	put	3	3	0
280	11/06	call	2	2	0
280	11/06	put	16	16	0
285	11/06	call	1	1	0
285	11/06	put	37	37	0
290	11/06	put	57	57	0
295	11/06	put	27	29	+2
300	11/06	call	3	3	0
300	11/06	put	70	71	+1
305	11/06	put	27	27	0
310	11/06	call	3	3	0
310	11/06	put	36	45	+9
315	11/06	call	1	1	0
315	11/06	put	155	153	-2
320	11/06	call	6	6	0
320	11/06	put	95	97	+2
325	11/06	call	1	1	0
325	11/06	put	201	201	0
327.5	11/06	put	1	3	+2
330	11/06	call	6	6	0
330	11/06	put	100	100	0
332.5	11/06	put	1	1	0
335	11/06	call	1	1	0
335	11/06	put	106	117	+11
337.5	11/06	call	1	2	+1
337.5	11/06	put	2	2	0
340	11/06	call	19	19	0
340	11/06	put	134	134	0
342.5	11/06	call	0	1	+1
342.5	11/06	put	7	7	0
345	11/06	call	14	15	+1
345	11/06	put	197	196	-1
347.5	11/06	call	26	27	+1
347.5	11/06	put	6	6	0
350	11/06	call	17	26	+9
350	11/06	put	145	147	+2
352.5	11/06	call	5	7	+2
352.5	11/06	put	1	5	+4
355	11/06	call	21	21	0
355	11/06	put	89	91	+2
357.5	11/06	call	6	6	0
360	11/06	call	33	45	+12
360	11/06	put	204	200	-4
362.5	11/06	call	1	1	0
365	11/06	call	33	37	+4
365	11/06	put	66	64	-2
367.5	11/06	call	2	6	+4
367.5	11/06	put	1	8	+7
370	11/06	call	37	50	+13
370	11/06	put	156	156	0
372.5	11/06	call	1	1	0
372.5	11/06	put	0	10	+10
375	11/06	call	33	43	+10
375	11/06	put	52	52	0
380	11/06	call	55	63	+8
380	11/06	put	67	65	-2
385	11/06	call	52	64	+12
385	11/06	put	32	32	0
390	11/06	call	112	141	+29
390	11/06	put	15	15	0
395	11/06	call	27	72	+45
395	11/06	put	13	13	0
400	11/06	call	57	76	+19
400	11/06	put	41	41	0
405	11/06	call	77	77	0
405	11/06	put	26	26	0
410	11/06	call	247	247	0
410	11/06	put	20	20	0
415	11/06	call	31	31	0
415	11/06	put	4	4	0
420	11/06	call	94	84	-10
420	11/06	put	12	12	0

Expiration 2026-11-13

PANW open interest, settled 2026-10-21, expiration 2026-11-13, strikes 250 to 445

Strike	Expiry	Type	Prior OI	Settled OI	Change
250	11/13	call	1	1	0
250	11/13	put	8	8	0
255	11/13	put	4	4	0
260	11/13	put	16	15	-1
265	11/13	put	6	6	0
270	11/13	call	1	1	0
270	11/13	put	24	24	0
275	11/13	call	10	10	0
275	11/13	put	10	10	0
280	11/13	put	51	51	0
285	11/13	put	30	30	0
290	11/13	put	107	107	0
295	11/13	put	157	159	+2
300	11/13	put	95	119	+24
305	11/13	call	1	1	0
305	11/13	put	66	93	+27
310	11/13	call	5	5	0
310	11/13	put	267	280	+13
315	11/13	call	1	1	0
315	11/13	put	306	318	+12
320	11/13	put	288	293	+5
325	11/13	call	5	5	0
325	11/13	put	295	295	0
330	11/13	call	145	145	0
330	11/13	put	258	258	0
335	11/13	call	22	22	0
335	11/13	put	127	128	+1
340	11/13	call	4	6	+2
340	11/13	put	148	169	+21
345	11/13	call	38	24	-14
345	11/13	put	74	83	+9
350	11/13	call	49	56	+7
350	11/13	put	331	332	+1
355	11/13	call	102	106	+4
355	11/13	put	80	108	+28
360	11/13	call	79	83	+4
360	11/13	put	210	210	0
365	11/13	call	16	23	+7
365	11/13	put	67	68	+1
370	11/13	call	169	187	+18
370	11/13	put	46	53	+7
375	11/13	call	545	639	+94
375	11/13	put	69	69	0
380	11/13	call	109	145	+36
380	11/13	put	196	197	+1
385	11/13	call	266	268	+2
385	11/13	put	54	54	0
390	11/13	call	122	128	+6
390	11/13	put	10	10	0
395	11/13	call	122	121	-1
395	11/13	put	23	23	0
400	11/13	call	652	675	+23
400	11/13	put	89	89	0
405	11/13	call	127	124	-3
405	11/13	put	23	23	0
410	11/13	call	241	328	+87
410	11/13	put	14	14	0
415	11/13	call	62	68	+6
415	11/13	put	14	14	0
420	11/13	call	60	60	0
420	11/13	put	6	6	0
425	11/13	call	207	207	0
425	11/13	put	2	2	0
430	11/13	call	107	105	-2
430	11/13	put	10	10	0
435	11/13	call	33	33	0
440	11/13	call	38	38	0
445	11/13	call	27	25	-2

Expiration 2026-11-20

PANW open interest, settled 2026-10-21, expiration 2026-11-20, strikes 250 to 440

Strike	Expiry	Type	Prior OI	Settled OI	Change
250	11/20	call	251	251	0
250	11/20	put	671	672	+1
260	11/20	call	177	177	0
260	11/20	put	417	417	0
270	11/20	call	293	293	0
270	11/20	put	482	484	+2
280	11/20	call	116	114	-2
280	11/20	put	858	863	+5
290	11/20	call	154	153	-1
290	11/20	put	682	691	+9
300	11/20	call	189	189	0
300	11/20	put	1,926	1,980	+54
305	11/20	put	74	177	+103
310	11/20	call	628	629	+1
310	11/20	put	1,161	1,268	+107
315	11/20	call	0	1	+1
315	11/20	put	102	119	+17
320	11/20	call	1,148	1,147	-1
320	11/20	put	2,022	2,081	+59
325	11/20	call	1	1	0
325	11/20	put	60	67	+7
327.5	11/20	call	13	13	0
327.5	11/20	put	19	20	+1
330	11/20	call	268	266	-2
330	11/20	put	1,123	1,133	+10
332.5	11/20	call	3	3	0
332.5	11/20	put	7	7	0
335	11/20	call	26	26	0
335	11/20	put	48	49	+1
337.5	11/20	call	1	1	0
337.5	11/20	put	5	6	+1
340	11/20	call	478	475	-3
340	11/20	put	983	1,114	+131
342.5	11/20	call	2	4	+2
342.5	11/20	put	9	9	0
345	11/20	call	16	15	-1
345	11/20	put	7	9	+2
347.5	11/20	call	11	11	0
347.5	11/20	put	17	17	0
350	11/20	call	869	857	-12
350	11/20	put	2,081	2,084	+3
352.5	11/20	call	242	255	+13
352.5	11/20	put	11	13	+2
355	11/20	call	19	26	+7
355	11/20	put	13	15	+2
357.5	11/20	call	18	20	+2
357.5	11/20	put	4	4	0
360	11/20	call	759	791	+32
360	11/20	put	1,326	1,325	-1
362.5	11/20	call	12	12	0
362.5	11/20	put	5	5	0
365	11/20	call	13	20	+7
365	11/20	put	4	7	+3
367.5	11/20	call	5	6	+1
367.5	11/20	put	3	3	0
370	11/20	call	849	845	-4
370	11/20	put	991	980	-11
372.5	11/20	call	1	3	+2
372.5	11/20	put	3	3	0
375	11/20	call	41	44	+3
375	11/20	put	10	11	+1
380	11/20	call	1,333	1,346	+13
380	11/20	put	1,438	1,435	-3
385	11/20	call	46	48	+2
385	11/20	put	5	5	0
390	11/20	call	428	445	+17
390	11/20	put	612	606	-6
395	11/20	call	23	33	+10
400	11/20	call	2,181	2,255	+74
400	11/20	put	379	375	-4
410	11/20	call	764	831	+67
410	11/20	put	96	96	0
420	11/20	call	735	732	-3
420	11/20	put	146	146	0
430	11/20	call	1,202	1,202	0
430	11/20	put	356	353	-3
440	11/20	call	1,215	1,375	+160
440	11/20	put	81	81	0

Expiration 2026-11-27

PANW open interest, settled 2026-10-21, expiration 2026-11-27, strikes 250 to 445

Strike	Expiry	Type	Prior OI	Settled OI	Change
250	11/27	put	31	31	0
255	11/27	put	3	3	0
260	11/27	put	11	11	0
265	11/27	put	5	5	0
270	11/27	put	4	4	0
275	11/27	put	2	2	0
280	11/27	put	31	31	0
285	11/27	put	7	8	+1
290	11/27	call	1	1	0
290	11/27	put	12	14	+2
295	11/27	put	30	32	+2
300	11/27	put	38	46	+8
305	11/27	put	16	22	+6
310	11/27	call	2	2	0
310	11/27	put	36	37	+1
315	11/27	put	28	30	+2
320	11/27	call	0	1	+1
320	11/27	put	70	70	0
325	11/27	call	1	1	0
325	11/27	put	51	51	0
330	11/27	call	1	1	0
330	11/27	put	38	37	-1
335	11/27	call	4	4	0
335	11/27	put	56	56	0
340	11/27	call	5	8	+3
340	11/27	put	25	26	+1
345	11/27	call	6	6	0
345	11/27	put	94	94	0
350	11/27	call	10	24	+14
350	11/27	put	160	177	+17
355	11/27	call	6	10	+4
355	11/27	put	91	90	-1
360	11/27	call	22	24	+2
360	11/27	put	116	119	+3
365	11/27	call	9	9	0
365	11/27	put	59	59	0
370	11/27	call	10	12	+2
370	11/27	put	52	52	0
375	11/27	call	5	6	+1
375	11/27	put	57	57	0
380	11/27	call	7	7	0
380	11/27	put	117	117	0
385	11/27	call	26	26	0
385	11/27	put	107	107	0
390	11/27	call	30	36	+6
390	11/27	put	147	147	0
395	11/27	call	11	11	0
395	11/27	put	288	290	+2
400	11/27	call	64	68	+4
400	11/27	put	192	192	0
405	11/27	call	8	8	0
405	11/27	put	44	44	0
410	11/27	call	42	86	+44
410	11/27	put	138	138	0
415	11/27	call	42	43	+1
415	11/27	put	41	41	0
420	11/27	call	60	61	+1
420	11/27	put	33	33	0
425	11/27	call	22	22	0
425	11/27	put	13	13	0
430	11/27	call	29	29	0
430	11/27	put	34	34	0
435	11/27	call	21	21	0
435	11/27	put	5	5	0
440	11/27	call	5	5	0
440	11/27	put	9	9	0
445	11/27	call	22	22	0
445	11/27	put	3	3	0

Later expirations (2026-12-18, 2027-01-15, 2027-03-19, 2027-04-16, 2027-05-21, 2027-06-17, 2027-09-17, 2027-12-17, 2028-01-21, 2028-06-16, 2028-12-15, 2029-01-19) and all other strikes are in the Markdown table.

Markdown table | Open interest changes across symbols

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