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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 · BIO

As of 2026-08-20
Put/Call Volume Ratio
0.44
Call-dominant · bullish sentiment
Put/Call OI Ratio
0.24
Cumulative positioning sentiment
Front-month ATM Implied Volatility
27.8%
Market-expected move
Contracts / Expirations
58
3 expirations
CallStrikePut
OIVolIVBidAskStrikeBidAskIVVolOI
–––––190.000.0010.0075.6%01
–––––195.000.0010.0072.7%01
–––––200.000.0010.0070.8%01
–––––210.000.0010.0064.9%04
–––––230.000.0010.0056.1%019
–––––240.000.0010.0051.2%02
–––––250.000.004.4047.3%03
1083.4%115.00123.00260.000.003.6042.5%012
18076.6%105.00113.00270.000.005.0038.6%01
11058.1%95.00101.00280.00–––––
2062.0%85.0092.80290.000.0010.0030.8%02
5057.1%75.3083.00300.000.0010.0026.9%04
58048.3%65.7072.00310.000.0010.0023.9%01
5050.3%56.6064.00320.00–––––
15042.5%47.3053.00330.000.1010.0052.2%01
101038.6%37.8044.00340.000.1010.0044.4%056
2035.6%29.2035.00350.001.6010.0038.6%03
202132.7%21.0027.00360.004.5010.0034.7%10
4631.7%14.0020.90370.005.8013.0030.8%41
2527.8%7.9013.40380.00–––––
1025.9%3.009.30390.00–––––
107.3%0.0010.00400.00–––––
2010.3%0.0010.00410.00–––––
2013.2%0.0010.00420.00–––––
1016.1%0.0010.00430.00–––––
2018.1%0.0010.00440.00–––––
1021.0%0.0010.00450.00–––––
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.