Options market record

COF options flowcalls and puts bought each day.

On Oct 5, 2026, traders bought 2.32K COF call contracts ($876.4K) and 466 put contracts ($224.6K). Calls were 1.5× and puts were 0.4× their respective 20-day medians. The underlying closed at $195.14 and 30-day implied volatility was 40.5%. On the call-buy top 10 on 9 of 473 trading days since Nov 11, 2024.

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

Daily contracts bought

Call contracts: min 191, max 33.82K, latest 2.32K. Put contracts: min 196, max 52.49K, latest 466.

30-day implied volatility

30-day IV: min 24.9%, max 79.1%, latest 40.5%.

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
Sep 24, 2026	5	—	9.2×	0.5×
Aug 31, 2026	—	7	0.4×	3.5×
Jul 22, 2026	—	3	4.1×	4.3×
Jul 21, 2026	—	5	1.5×	6.1×
Apr 21, 2026	—	10	3.1×	4.6×
Mar 16, 2026	—	2	0.6×	4.5×
Mar 12, 2026	—	8	2.1×	7.8×
Mar 11, 2026	—	4	2.5×	6.6×
Jan 23, 2026	—	2	5.1×	8.4×
Jan 21, 2026	—	8	1.8×	5.2×
Jan 20, 2026	—	3	1.9×	8.2×
Jan 14, 2026	10	—	7.1×	4.5×
Jan 12, 2026	4	6	18.1×	9.5×
Oct 13, 2025	—	10	1.6×	4.5×
Oct 10, 2025	—	2	0.9×	27.3×
Sep 30, 2025	—	8	6.1×	6.9×
Aug 27, 2025	—	5	0.5×	6.4×
Apr 24, 2025	9	—	5.0×	1.1×
Apr 22, 2025	—	4	3.0×	5.8×
Mar 26, 2025	7	—	6.8×	1.4×

All 26 days

Date	Call-buy rank	Put-buy rank	Call vs normal	Put vs normal
Mar 25, 2025	1	—	12.2×	0.8×
Mar 17, 2025	—	7	4.5×	3.7×
Mar 6, 2025	—	5	1.0×	10.0×
Jan 23, 2025	5	—	12.4×	1.4×
Jan 22, 2025	2	—	14.8×	2.9×
Dec 17, 2024	3	—	6.7×	—

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