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CSCO

🔥 21 OI spikes•2026-04-08•

Calls:12

Puts:9

Window:2026-03-11 → 2026-04-07 (20d)

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Min ratio:

Months DTE:–Strike quantile:

Ask/Strike ≤21 contracts shown

Expiration	DTE	Strike	Type	Today OI	Median OI	Ratio ↓	Volume	Bid	Ask	Delta	IV
2026-04-17	8d	78	put	965	51	18.9×	9	0.26	0.35	-0.14	33.6%
2026-04-17	8d	82	call	8,470	485	17.5×	180	1.64	1.74	0.58	27.4%
2026-04-17	8d	77	put	987	93	10.6×	15	0.17	0.23	-0.11	35.1%
2026-10-16	190d	70	put	639	61.5	10.4×	17	2.45	2.69	-0.21	33.9%
2026-05-15	36d	100	call	679	99.5	6.8×	3	0.06	0.10	0.03	29.9%
2026-04-24	15d	86	call	314	55.5	5.7×	7	0.47	0.54	0.22	23.7%
2026-10-16	190d	80	call	480	91	5.3×	1	8.55	9.30	0.61	30.6%
2026-04-17	8d	78	call	450	100	4.5×	3	4.05	5.10	0.86	39.3%
2026-05-15	36d	60	put	448	127.5	3.5×	2	0.05	0.16	-0.01	50.6%
2028-01-21	652d	87.5	call	216	69	3.1×	4	11.55	13.30	0.54	30.1%
2028-01-21	652d	40	put	179	64	2.8×	1	0.92	1.25	-0.07	40.6%
2027-03-19	344d	77.5	call	181	75.5	2.4×	0	12.65	13.50	0.66	30.8%
2026-12-18	253d	67.5	put	2,952	1,364	2.2×	4	2.54	2.93	-0.19	34.1%
2026-04-24	15d	87	call	324	155	2.1×	2	0.24	0.32	0.15	23.2%
2026-04-24	15d	80	call	591	284.5	2.1×	19	3.40	3.60	0.72	27.7%
2028-01-21	652d	72.5	put	190	92	2.1×	0	6.20	8.60	-0.30	31.5%
2026-05-15	36d	72.5	put	1,651	807	2.0×	16	0.70	0.74	-0.14	39.5%
2026-10-16	190d	65	put	522	254.5	2.0×	0	1.53	2.10	-0.14	37.6%
2026-05-15	36d	87.5	call	4,317	2,115	2.0×	127	1.46	1.52	0.30	30.7%
2027-01-15	281d	115	call	1,223	599	2.0×	0	0.83	1.17	0.10	27.5%
2027-03-19	344d	95	call	208	104	2.0×	0	5.20	5.45	0.38	28.8%