Zoetis Inc. (ZTS) Open Interest
Zoetis Inc. (ZTS) has 102,090 call contracts and 54,795 put contracts open across all listed expirations — a put/call open interest ratio of 0.54. Open interest counts the contracts currently outstanding at each strike. This page shows where ZTS positioning concentrates, which strikes act as walls, and how the totals have trended over the past year.
Data as of Jul 10, 2026, 8:00 PM ET · OPRA data 15 minutes delayed · For information only — not investment advice.
ZTS Open Interest by Strike
ZTS open interest by strike, all expirations combined — calls in green, puts in red.
| Total call open interest | 102,090 |
| Total put open interest | 54,795 |
| Put/call OI ratio | 0.54 |
| Open interest rank (31 day) | 100 / 100 |
| Call wall (largest call OI) | $75 |
| Put wall (largest put OI) | $65 |
| Top volume strike | $75 |
| Volume / OI ratio | 0.04 |
ZTS Open Interest Trend
ZTS total call vs. put open interest, past year.
ZTS put/call open interest ratio, past year.
A put/call open interest ratio of 0.54 means meaningfully more calls than puts are outstanding — a call-heavy, typically bullish positioning profile. In total, 102,090 call contracts and 54,795 put contracts are open across all listed expirations. The put/call OI ratio has risen from 0.33 in Feb '26 to 0.54 today.
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ZTS Options FAQ
What is ZTS's put/call ratio?
ZTS's put/call open interest ratio is 0.54 as of Jul 10, 2026, with 54,795 put contracts and 102,090 call contracts outstanding.
Which ZTS strikes have the highest open interest?
As of Jul 10, 2026, the largest call open interest sits at $75 (the call wall) and the largest put open interest sits at $65 (the put wall). Strikes with heavy open interest often act as reference levels because a lot of hedging activity is anchored to them.
Is ZTS open interest unusually high right now?
ZTS's total open interest ranks 100 out of 100 versus the past 31 trading days as of Jul 10, 2026 — toward the top of its recent range, so positioning is unusually heavy.
Methodology. IV rank compares the current 30-day at-the-money implied volatility with its highest and lowest values over the past 52 weeks. Max pain is the strike that minimizes the total payout to option holders at expiration. The call and put walls are the strikes carrying the largest call and put open interest across all expirations. Net gamma exposure (GEX) is measured from the dealer perspective. All statistics are derived from delayed OPRA options data.
Options trading involves significant risk, and losses can exceed your initial investment. Always consult a licensed financial professional before making investment decisions. OptiView does not provide financial advice; all figures on this page are descriptive statistics, not recommendations.