Options market record
GLW options flowcalls and puts bought each day.
On Oct 5, 2026, traders bought 8.82K GLW call contracts ($5.8M) and 9.35K put contracts ($3.6M). Calls were 0.8× and puts were 1.1× their respective 20-day medians. The underlying closed at $159.42 and 30-day implied volatility was 61.5%. On the call-buy top 10 on 16 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 264, max 107.77K, latest 8.82K. Put contracts: min 47, max 38.86K, latest 9.35K.
30-day implied volatility
30-day IV: min 17.3%, max 98.9%, latest 61.5%.
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 |
|---|---|---|---|---|
| Jan 29, 2026 | — | 10 | 1.6× | 6.6× |
| Jan 28, 2026 | — | 5 | 5.8× | 9.8× |
| Jan 27, 2026 | 7 | 2 | 8.8× | 18.0× |
| Jan 8, 2026 | — | 5 | 1.5× | 7.0× |
| Dec 12, 2025 | — | 9 | 2.9× | 5.5× |
| Nov 13, 2025 | 4 | — | 20.9× | 2.0× |
| Oct 27, 2025 | — | 8 | 3.4× | 5.1× |
| Oct 10, 2025 | 9 | — | 7.8× | 3.0× |
| Aug 28, 2025 | 9 | — | 10.2× | — |
| Aug 6, 2025 | 6 | — | 7.7× | — |
| Jul 30, 2025 | 4 | — | 16.4× | — |
| Jul 29, 2025 | 1 | — | 23.0× | — |
| Jul 28, 2025 | 5 | — | 11.8× | — |
| May 29, 2025 | 1 | — | 24.4× | — |
| May 13, 2025 | 8 | — | 9.8× | — |
| Apr 28, 2025 | 5 | — | 6.1× | — |
| Mar 19, 2025 | 2 | — | 7.2× | — |
| Mar 14, 2025 | 7 | — | 11.1× | — |
| Feb 28, 2025 | 4 | — | 7.4× | — |
| Jan 28, 2025 | 1 | — | 13.9× | — |
All 21 days
| Date | Call-buy rank | Put-buy rank | Call vs normal | Put vs normal |
|---|---|---|---|---|
| Jan 22, 2025 | 5 | — | 13.1× | — |
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