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EOD US-equity data for investors and AI agents

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

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Options · ZWS

As of 2026-08-20
Put/Call Volume Ratio
–
Insufficient data
Put/Call OI Ratio
0.17
Cumulative positioning sentiment
Front-month ATM Implied Volatility
42.5%
Market-expected move
Contracts / Expirations
27
2 expirations
CallStrikePut
OIVolIVBidAskStrikeBidAskIVVolOI
10142.9%20.1023.7027.50–––––
–––––35.000.000.7547.3%01
–––––40.000.000.7529.8%07
–––––42.500.000.7522.0%04
3040.5%3.306.0045.000.002.4514.2%07
–––––47.500.302.4537.6%08
11042.5%0.453.3050.001.103.7032.7%04
5011.2%0.000.8552.50–––––
15018.1%0.000.9555.00–––––
1034.7%0.000.7562.50–––––
13039.5%0.000.7565.00–––––
7048.3%0.000.7570.00–––––
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.