Options market record

CSCO options flowcalls and puts bought each day.

On Oct 26, 2026, traders bought 11.17K CSCO call contracts ($3.9M) and 5.45K put contracts ($2M). Calls were 0.9× and puts were 0.9× their respective 20-day medians. The underlying closed at $110.35 and 30-day implied volatility was 46.4%. On the call-buy top 10 on 9 of 487 trading days since Nov 11, 2024.

Each point is one trading day since Nov 11, 2024. Latest rankings · Earnings history

Daily contracts bought

Call contracts: min 2.62K, max 321.57K, latest 11.17K. Put contracts: min 1.13K, max 95.76K, latest 5.45K.

30-day implied volatility

30-day IV: min 16.1%, max 55.0%, latest 46.4%.

Days in a top-10 list

Ranked by contracts bought today compared with the stock's own median over the previous 20 trading days.

Date	Call-buy rank	Put-buy rank	Call vs normal	Put vs normal
Aug 14, 2026	—	8	4.2×	5.3×
Aug 13, 2026	8	7	8.2×	8.6×
Aug 12, 2026	6	4	7.4×	7.7×
May 14, 2026	—	4	7.5×	8.6×
May 13, 2026	—	5	3.6×	10.2×
Feb 12, 2026	—	7	4.1×	11.1×
Dec 31, 2025	2	—	35.6×	1.1×
Nov 13, 2025	7	8	7.0×	7.7×
Nov 12, 2025	4	2	9.0×	8.1×
Aug 13, 2025	6	3	8.9×	11.8×
Aug 12, 2025	—	8	2.9×	4.7×
May 15, 2025	6	—	16.4×	3.8×
May 14, 2025	3	—	8.8×	4.4×
Feb 12, 2025	—	5	3.9×	8.2×
Jan 2, 2025	2	—	35.0×	1.1×

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