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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 · STOK

As of 2026-08-20
Put/Call Volume Ratio
1.05
Neutral
Put/Call OI Ratio
1.09
Cumulative positioning sentiment
Front-month ATM Implied Volatility
109.8%
Market-expected move
Contracts / Expirations
19
3 expirations
CallStrikePut
OIVolIVBidAskStrikeBidAskIVVolOI
023210.3%13.7016.5017.50–––––
601.5%9.0013.2020.00–––––
1065.9%1.205.0030.000.003.009.3%015
60109.8%0.204.9035.00–––––
–––––40.008.6010.1091.2%420
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.