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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 · RGEN

As of 2026-08-20
Put/Call Volume Ratio
2.69
Put-dominant · hedging/bearish
Put/Call OI Ratio
6.15
Cumulative positioning sentiment
Front-month ATM Implied Volatility
40.5%
Market-expected move
Contracts / Expirations
93
4 expirations
CallStrikePut
OIVolIVBidAskStrikeBidAskIVVolOI
101.5%78.6082.40100.00–––––
101.5%73.7077.30105.00–––––
101.5%68.7072.40110.000.002.1559.0%01
–––––115.000.002.2054.2%01
011.5%53.9057.30125.000.002.2545.4%01
1057.1%48.9052.80130.000.002.3540.5%02
–––––135.000.002.5036.6%01
5046.4%39.2042.60140.000.052.6568.8%025
3345.4%34.4037.70145.000.002.5527.8%012
12046.4%29.7033.20150.000.301.0545.4%1451
1144.4%25.1028.60155.000.453.2052.2%017
109444.4%20.8024.30160.001.252.5044.4%02
162644.4%17.2020.30165.001.504.4044.4%53
5042.5%13.4016.10170.002.656.0044.4%01
4239.5%9.5012.80175.003.807.8042.5%01
2640.5%7.0010.10180.006.009.6040.5%23
5639.5%4.707.80185.009.3012.5042.5%02
0440.5%3.006.10190.00–––––
1039.5%0.154.10200.00–––––
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.