Options market record
BSX options flowcalls and puts bought each day.
On Oct 5, 2026, traders bought 2.68K BSX call contracts ($345.1K) and 1.33K put contracts ($583.3K). Calls were 0.5× and puts were 0.4× their respective 20-day medians. The underlying closed at $42.36 and 30-day implied volatility was 46.6%. On the call-buy top 10 on 25 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 288, max 239.77K, latest 2.68K. Put contracts: min 43, max 59.97K, latest 1.33K.
30-day implied volatility
30-day IV: min 16.4%, max 56.5%, latest 46.6%.
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 10, 2026 | 6 | — | 5.4× | 5.5× |
| Sep 1, 2026 | 6 | — | 8.5× | 0.5× |
| Jul 28, 2026 | 5 | — | 8.4× | 3.3× |
| Jul 27, 2026 | 7 | — | 4.8× | 0.8× |
| Jul 6, 2026 | — | 10 | 0.4× | 2.8× |
| Jul 2, 2026 | — | 5 | 1.0× | 7.4× |
| Jun 23, 2026 | 10 | 3 | 3.3× | 7.9× |
| May 28, 2026 | 1 | 1 | 47.3× | 22.2× |
| May 27, 2026 | — | 9 | 3.5× | 4.2× |
| May 8, 2026 | 10 | — | 9.8× | 1.7× |
| Apr 2, 2026 | — | 10 | 0.6× | 3.0× |
| Apr 1, 2026 | — | 3 | 2.0× | 17.2× |
| Mar 30, 2026 | 6 | 4 | 4.5× | 4.4× |
| Mar 24, 2026 | — | 7 | 0.5× | 3.5× |
| Mar 19, 2026 | — | 9 | 0.4× | 9.9× |
| Mar 12, 2026 | — | 7 | 0.6× | 9.5× |
| Feb 26, 2026 | — | 8 | 1.1× | 5.5× |
| Feb 5, 2026 | 5 | — | 9.7× | 3.7× |
| Feb 4, 2026 | 9 | 5 | 8.0× | 11.5× |
| Feb 3, 2026 | 8 | — | 6.4× | 2.5× |
All 42 days
| Date | Call-buy rank | Put-buy rank | Call vs normal | Put vs normal |
|---|---|---|---|---|
| Feb 2, 2026 | 2 | — | 7.0× | 0.8× |
| Jan 23, 2026 | 10 | — | 8.0× | 4.6× |
| Jan 22, 2026 | — | 8 | 2.8× | 5.8× |
| Jan 20, 2026 | 2 | — | 37.7× | 3.4× |
| Jan 15, 2026 | — | 3 | 4.7× | 16.7× |
| Jan 2, 2026 | — | 4 | 0.6× | 6.3× |
| Dec 17, 2025 | 4 | — | 6.3× | 0.5× |
| Dec 16, 2025 | 3 | — | 9.9× | 1.5× |
| Oct 21, 2025 | — | 4 | 2.3× | 9.3× |
| Oct 2, 2025 | — | 3 | 0.7× | 20.2× |
| Sep 17, 2025 | 7 | — | 9.8× | — |
| Sep 16, 2025 | 9 | — | 8.9× | — |
| Sep 10, 2025 | 1 | — | 23.9× | — |
| Jun 12, 2025 | 2 | — | 11.6× | 1.6× |
| Jun 11, 2025 | — | 6 | 1.4× | 6.1× |
| May 16, 2025 | 5 | — | 10.0× | 2.1× |
| Apr 22, 2025 | — | 3 | 2.5× | 5.8× |
| Mar 27, 2025 | — | 8 | 0.5× | 5.1× |
| Mar 25, 2025 | 9 | — | 3.4× | 1.2× |
| Mar 11, 2025 | 10 | — | 4.1× | 2.5× |
| Feb 25, 2025 | 6 | — | 6.9× | 7.2× |
| Jan 23, 2025 | 7 | — | 11.4× | 2.0× |
The Terminal
See the same flowlive in the Terminal.
Explore live call and put buying across 5,000+ stocks.
$99.99/month
Get the TerminalCancel any time. Or $949 a year.