Options market record
IBRX options flowcalls and puts bought each day.
On Oct 23, 2026, traders bought 1.99K IBRX call contracts ($272K) and 536 put contracts ($80.5K). Calls were 0.4× and puts were 0.4× their respective 20-day medians. The underlying closed at $8.22 and 30-day implied volatility was 94.4%. On the call-buy top 10 on 7 of 486 trading days since Nov 11, 2024.
Each point is one trading day since Nov 11, 2024. Latest rankings
Daily contracts bought
Call contracts: min 110, max 144.58K, latest 1.99K. Put contracts: min 2, max 47.6K, latest 536.
30-day implied volatility
30-day IV: min 51.8%, max 180.2%, latest 94.4%.
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 |
|---|---|---|---|---|
| Oct 16, 2026 | 10 | — | 5.8× | 1.2× |
| Oct 5, 2026 | — | 5 | 0.9× | 5.6× |
| Sep 22, 2026 | 10 | — | 6.4× | 1.5× |
| Aug 31, 2026 | — | 2 | 1.0× | 10.2× |
| Mar 24, 2026 | — | 1 | 2.9× | 11.3× |
| Mar 3, 2026 | — | 9 | 0.7× | 6.8× |
| Feb 25, 2026 | — | 7 | 4.3× | 6.8× |
| Feb 24, 2026 | — | 6 | 5.5× | 6.0× |
| Feb 23, 2026 | 5 | — | 5.1× | 4.1× |
| Feb 18, 2026 | — | 9 | 6.8× | 6.1× |
| Jan 23, 2026 | 5 | — | 10.9× | — |
| Jan 22, 2026 | 3 | — | 16.0× | — |
| Jan 21, 2026 | 2 | — | 30.7× | — |
| Jan 20, 2026 | 1 | — | 58.2× | — |
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