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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 · ARCO

As of 2026-08-20
Put/Call Volume Ratio
2.00
Put-dominant · hedging/bearish
Put/Call OI Ratio
0.08
Cumulative positioning sentiment
Front-month ATM Implied Volatility
33.7%
Market-expected move
Contracts / Expirations
9
2 expirations
CallStrikePut
OIVolIVBidAskStrikeBidAskIVVolOI
501.5%2.203.405.00–––––
23133.7%0.400.557.500.100.2032.7%273
40044.4%0.000.1010.001.752.7567.8%09
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.