Options market record
ZTS options flowcalls and puts bought each day.
On Oct 23, 2026, traders bought 743 ZTS call contracts ($2.2M) and 371 put contracts ($73.9K). Calls were — and puts were — their respective 20-day medians. The underlying closed at $80.80 and 30-day implied volatility was 49.8%.
Each point is one trading day since Nov 11, 2024. Latest rankings · Earnings history
Daily contracts bought
Call contracts: min 24, max 10.04K, latest 743. Put contracts: min 14, max 9.06K, latest 371.
30-day implied volatility
30-day IV: min 22.5%, max 127.6%, latest 49.8%.
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 |
|---|---|---|---|---|
| Aug 7, 2026 | — | 7 | — | 8.7× |
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