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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 · ALK

As of 2026-08-20
Put/Call Volume Ratio
2.52
Put-dominant · hedging/bearish
Put/Call OI Ratio
0.63
Cumulative positioning sentiment
Front-month ATM Implied Volatility
47.3%
Market-expected move
Contracts / Expirations
124
4 expirations
CallStrikePut
OIVolIVBidAskStrikeBidAskIVVolOI
–––––22.500.000.3079.5%044
48098.1%14.1016.7025.000.000.2565.9%0169
1094.2%12.1014.0027.500.000.0554.2%0208
3749063.9%9.9010.9030.000.000.1042.5%1,0001,131
104056.1%7.508.5032.500.050.2048.3%2375
331055.1%5.306.4035.000.400.4549.3%7021,463
189248.3%3.504.1037.500.951.1049.3%167964
1,04153449.3%2.202.5040.001.902.0547.3%1,2991,347
33513350.3%1.201.5542.503.203.6045.4%621,755
2,61712848.3%0.600.7545.005.105.5046.4%61,442
4752351.2%0.250.5547.507.207.9050.3%101969
6,2402348.3%0.100.2050.009.2010.3042.5%0338
2,7051037.6%0.000.1052.5011.7013.2064.9%700400
3,804543.4%0.000.0555.0013.8016.0070.8%021
313048.3%0.000.1557.5016.2018.101.5%20
8722154.2%0.000.0560.00–––––
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.