Stockfacts
Use CasesDocsPricing
Log inSign up free
OverviewFinancialsTrendsTranscriptsOptionsShortsInstitutionsInsidersCorporate ActionsSEC Filings
Stockfacts

EOD US-equity data for investors and AI agents

Data is end-of-day, not real-time, and not investment advice

Use CasesDashboard

Options · ZTS

As of 2026-08-20
Put/Call Volume Ratio
0.48
Call-dominant · bullish sentiment
Put/Call OI Ratio
1.41
Cumulative positioning sentiment
Front-month ATM Implied Volatility
33.7%
Market-expected move
Contracts / Expirations
114
4 expirations
CallStrikePut
OIVolIVBidAskStrikeBidAskIVVolOI
10124.4%33.5037.3040.000.002.1580.5%11
1098.1%28.4032.3045.000.000.0566.9%03,166
3083.4%23.4027.4050.000.000.1054.2%0463
1062.9%18.3022.4055.000.000.5042.5%01,061
30162.9%14.1017.4060.000.000.1031.7%21,466
105045.4%10.2011.3065.000.100.2533.7%654,464
1331642.5%6.107.2070.000.800.9533.7%3003,743
2,77823836.6%3.003.4075.002.652.8033.7%2052,454
2,41314836.6%1.251.5080.005.307.0037.6%5774
1,64727538.6%0.500.6585.009.0010.6023.0%3152
1,12026747.3%0.150.7590.0013.3015.301.5%1131
6718431.7%0.000.4095.0017.8021.101.5%02
78517648.3%0.050.10100.0022.8026.301.5%01
1,724057.1%0.050.15105.0027.8031.7054.2%4465
127148.3%0.000.15110.00–––––
Click a call or put in the chain to see its history.

Source: Alpha Vantage options chain EOD (incl. greeks / IV / open interest). Contracts with low liquidity, far expirations (>180 days), and deep out-of-the-money strikes (±50%) are filtered out. P/C ratios are aggregated across the full chain.