Options market record

VST options flowcalls and puts bought each day.

On Oct 5, 2026, traders bought 36.59K VST call contracts ($17.6M) and 18.49K put contracts ($8.5M). Calls were 3.5× and puts were 3.7× their respective 20-day medians. The underlying closed at $145.36 and 30-day implied volatility was 50.8%. On the call-buy top 10 on 7 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 1.37K, max 55.94K, latest 36.59K. Put contracts: min 711, max 49.33K, latest 18.49K.

30-day implied volatility

30-day IV: min 40.7%, max 116.6%, latest 50.8%.

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
Oct 2, 2026	—	3	2.5×	6.9×
Aug 6, 2026	6	—	8.8×	2.9×
Aug 4, 2026	—	4	3.1×	7.8×
Jul 28, 2026	8	—	6.1×	2.7×
Jul 8, 2026	9	—	4.5×	0.2×
Jun 10, 2026	4	—	6.3×	1.1×
May 18, 2026	9	—	6.9×	1.3×
Apr 20, 2026	—	10	1.7×	3.3×
Jan 8, 2026	—	2	1.1×	11.4×
Dec 17, 2025	—	8	1.7×	5.1×
Jan 27, 2025	—	9	4.3×	6.7×
Jan 23, 2025	—	5	2.2×	7.6×
Jan 3, 2025	10	—	4.8×	2.4×
Dec 19, 2024	6	—	5.7×	1.4×

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