Options market record

XBI options flowcalls and puts bought each day.

On Oct 5, 2026, traders bought 4.05K XBI call contracts ($1.2M) and 4.99K put contracts ($1.1M). Calls were 0.9× and puts were 0.5× their respective 20-day medians. The underlying closed at $156.19 and 30-day implied volatility was 32.7%. On the call-buy top 10 on 4 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 1.03K, max 55.2K, latest 4.05K. Put contracts: min 714, max 95.6K, latest 4.99K.

30-day implied volatility

30-day IV: min 23.9%, max 70.1%, latest 32.7%.

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 15, 2026	—	2	2.0×	5.3×
Sep 2, 2026	—	6	1.3×	5.5×
Jun 23, 2026	—	9	2.5×	3.3×
Jun 17, 2026	5	1	8.3×	7.5×
Jun 16, 2026	—	7	2.0×	3.0×
Jun 15, 2026	—	6	1.8×	4.0×
Jun 9, 2026	6	—	4.6×	1.1×
Mar 27, 2026	4	—	5.6×	3.1×
Mar 26, 2026	—	4	0.9×	5.6×
Mar 25, 2026	—	9	1.8×	3.0×
Mar 23, 2026	5	—	4.8×	0.9×
Feb 24, 2026	—	9	0.7×	4.4×
Feb 18, 2026	—	2	0.6×	11.2×
Aug 25, 2025	—	8	0.9×	3.5×
Jul 9, 2025	—	10	5.3×	4.2×
Jul 8, 2025	—	4	1.2×	6.2×
May 6, 2025	—	6	2.5×	4.9×
Apr 2, 2025	—	9	2.5×	2.5×
Mar 31, 2025	—	5	2.6×	4.9×
Dec 31, 2024	—	8	2.0×	2.3×

All 21 days

Date	Call-buy rank	Put-buy rank	Call vs normal	Put vs normal
Dec 13, 2024	—	7	1.6×	5.1×

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