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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 · STLA

As of 2026-08-20
Put/Call Volume Ratio
0.87
Neutral
Put/Call OI Ratio
0.80
Cumulative positioning sentiment
Front-month ATM Implied Volatility
62.0%
Market-expected move
Contracts / Expirations
102
9 expirations
CallStrikePut
OIVolIVBidAskStrikeBidAskIVVolOI
8001.5%2.052.453.000.000.05191.7%026
500387.8%1.552.653.50–––––
54541.5%1.001.504.00–––––
10272.7%0.501.054.500.000.0564.9%2826
2261255.1%0.250.405.000.050.1060.0%90303
1,9611562.0%0.050.155.500.250.3548.3%34393
1,279054.2%0.000.056.000.650.9079.5%212
78079.5%0.000.056.501.151.70178.1%01
3730101.0%0.000.057.00–––––
150120.5%0.000.357.50–––––
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.