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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 · STAA

As of 2026-08-20
Put/Call Volume Ratio
0.40
Call-dominant · bullish sentiment
Put/Call OI Ratio
0.52
Cumulative positioning sentiment
Front-month ATM Implied Volatility
86.4%
Market-expected move
Contracts / Expirations
35
2 expirations
CallStrikePut
OIVolIVBidAskStrikeBidAskIVVolOI
–––––12.500.000.0589.3%092
40129.3%6.7010.3015.000.000.9564.9%021
29092.2%4.107.9017.500.001.0043.4%093
169056.1%2.004.9020.000.000.5024.9%029
375063.9%1.452.5022.500.801.0046.4%3860
1,0512486.4%0.602.4025.001.752.7539.5%13244
33810554.2%0.200.3027.502.405.101.5%076
884639.5%0.000.1530.004.907.101.5%099
68050.3%0.000.2532.507.809.601.5%014
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.