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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 · WES

As of 2026-08-20
Put/Call Volume Ratio
0.22
Call-dominant · bullish sentiment
Put/Call OI Ratio
0.40
Cumulative positioning sentiment
Front-month ATM Implied Volatility
22.0%
Market-expected move
Contracts / Expirations
90
4 expirations
CallStrikePut
OIVolIVBidAskStrikeBidAskIVVolOI
–––––39.000.000.7032.7%05
–––––40.000.000.7029.8%02
–––––41.000.000.7025.9%0102
–––––42.000.000.3523.0%05
–––––43.000.000.5520.0%035
4050.3%4.806.5044.000.000.4016.1%021
4033.7%3.704.8045.000.050.2022.0%097
572030.8%2.903.9046.000.150.3521.0%1037
2533724.9%1.902.9047.000.300.4019.0%1126
178723.0%1.252.1548.000.550.8019.0%1070
2,3871122.0%0.851.4049.000.951.2518.1%010
6682720.0%0.550.6550.001.451.8517.1%0205
7018.1%0.000.1555.00–––––
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.