Stockfacts
Use CasesDocsPricing
Log inSign up free
OverviewFinancialsTrendsTranscriptsOptionsShortsInstitutionsInsidersCorporate ActionsSEC Filings
Stockfacts

EOD US-equity data for investors and AI agents

Data is end-of-day, not real-time, and not investment advice

Use CasesDashboard

Options · GNTX

As of 2026-08-20
Put/Call Volume Ratio
2.14
Put-dominant · hedging/bearish
Put/Call OI Ratio
0.54
Cumulative positioning sentiment
Front-month ATM Implied Volatility
30.8%
Market-expected move
Contracts / Expirations
32
3 expirations
CallStrikePut
OIVolIVBidAskStrikeBidAskIVVolOI
10201.5%10.2013.3012.50–––––
7072.7%7.709.6015.000.000.7567.8%013
100110.8%5.208.2017.500.000.7546.4%05
1048.3%2.904.7020.000.000.7527.8%0186
140030.8%0.952.0522.500.200.3527.8%2176
248424.9%0.100.3025.000.901.9016.1%2558
151024.9%0.000.5027.503.204.7039.5%09
14036.6%0.000.6030.00–––––
2047.3%0.000.7532.50–––––
51056.1%0.000.2035.00–––––
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.