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Stockfacts

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 · GKOS

As of 2026-08-20
Put/Call Volume Ratio
14.06
Put-dominant · hedging/bearish
Put/Call OI Ratio
1.01
Cumulative positioning sentiment
Front-month ATM Implied Volatility
43.4%
Market-expected move
Contracts / Expirations
138
4 expirations
CallStrikePut
OIVolIVBidAskStrikeBidAskIVVolOI
–––––120.000.002.1552.2%012
–––––125.000.002.1547.3%011
–––––130.000.002.1543.4%034
–––––140.000.002.3034.7%03
–––––145.000.002.4030.8%01
3052.2%34.7037.60150.000.002.6026.9%0203
2053.2%30.0033.50155.000.003.3023.0%02
2051.2%25.7028.90160.000.303.2049.3%149
101048.3%21.3024.50165.001.053.7046.4%122
14046.4%17.3020.50170.002.054.8045.4%125
3045.4%14.1016.60175.004.306.2047.3%10
5145.4%11.0013.50180.005.507.9044.4%4002
10044.4%8.1010.70185.007.5010.1043.4%276
6045.4%6.308.40190.00–––––
11043.4%4.406.00195.00–––––
42744.4%3.005.00200.00–––––
19646.4%1.053.70210.00–––––
1052.2%0.552.95220.00–––––
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.