Options market record

ACHR options flowcalls and puts bought each day.

On Oct 5, 2026, traders bought 12.84K ACHR call contracts ($424K) and 4.62K put contracts ($189.6K). Calls were 1.4× and puts were 1.6× their respective 20-day medians. The underlying closed at $4.74 and 30-day implied volatility was 63.7%. On the call-buy top 10 on 5 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 3.78K, max 316.11K, latest 12.84K. Put contracts: min 478, max 116.59K, latest 4.62K.

30-day implied volatility

30-day IV: min 61.0%, max 164.3%, latest 63.7%.

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
Aug 11, 2026	9	—	6.7×	5.9×
Aug 10, 2026	2	—	15.2×	9.1×
Jul 20, 2026	4	—	8.0×	3.9×
Jul 6, 2026	10	—	3.6×	1.4×
Nov 11, 2025	—	10	1.0×	7.3×
Nov 7, 2025	—	10	3.3×	6.3×
Oct 8, 2025	—	10	3.0×	4.8×
Oct 7, 2025	—	4	4.0×	8.0×
Oct 6, 2025	7	4	8.5×	7.1×
May 19, 2025	—	3	2.3×	7.9×
May 16, 2025	—	7	5.3×	6.6×
May 13, 2025	—	7	6.6×	7.3×
May 2, 2025	—	2	3.5×	8.6×
Dec 3, 2024	—	9	0.7×	3.8×
Dec 2, 2024	—	2	1.8×	13.9×
Nov 29, 2024	—	5	1.6×	6.0×
Nov 27, 2024	—	7	1.8×	5.1×
Nov 25, 2024	—	5	2.3×	8.0×

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