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 · IONS

As of 2026-08-20
Put/Call Volume Ratio
0.30
Call-dominant · bullish sentiment
Put/Call OI Ratio
0.85
Cumulative positioning sentiment
Front-month ATM Implied Volatility
60.0%
Market-expected move
Contracts / Expirations
113
3 expirations
CallStrikePut
OIVolIVBidAskStrikeBidAskIVVolOI
–––––35.000.002.1568.8%01
–––––37.500.000.7561.0%01
–––––42.500.000.2545.4%01,002
–––––45.000.000.8537.6%023
–––––47.500.001.0030.8%0130
15057.1%7.6011.6050.000.301.3561.0%1696
259066.9%7.009.3052.500.351.6552.2%35275
597058.1%5.106.9055.001.052.6054.2%661,297
58143457.1%4.004.9057.501.804.0055.1%42119
8785160.0%2.254.7060.003.704.6054.2%1451,118
305853.2%0.903.3062.503.906.7047.3%34319
4162,53347.3%0.601.6065.006.708.5055.1%3720
880354.2%0.301.6567.507.5010.2037.6%023
1,1111355.1%0.201.1570.009.7013.0044.4%010
9028.8%0.001.0572.5012.0015.9055.1%054
264033.7%0.000.8575.00–––––
79037.6%0.000.8077.50–––––
145073.7%0.050.8080.0019.1023.2058.1%0227
133044.4%0.000.7082.50–––––
736048.3%0.000.7085.00–––––
241051.2%0.000.7587.50–––––
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.