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 · NDSN

As of 2026-08-20
Put/Call Volume Ratio
0.61
Call-dominant · bullish sentiment
Put/Call OI Ratio
0.75
Cumulative positioning sentiment
Front-month ATM Implied Volatility
20.0%
Market-expected move
Contracts / Expirations
79
3 expirations
CallStrikePut
OIVolIVBidAskStrikeBidAskIVVolOI
–––––175.000.002.1572.7%03
101.5%153.00157.00180.000.002.1569.8%01
101.5%148.00152.00185.000.002.1566.9%01
–––––190.000.002.1563.9%02
–––––195.000.002.1561.0%01
–––––200.000.002.1559.0%02
201.5%123.10127.00210.00–––––
901.5%113.20117.10220.000.002.1548.3%02
1001.5%103.10107.10230.000.002.1543.4%01
2001.5%93.2097.20240.000.002.1538.6%02
3101.5%83.3087.20250.00–––––
1501.5%73.4077.10260.000.002.2030.8%01
301.5%63.4067.40270.000.002.4525.9%01
2001.5%53.5057.30280.000.050.9536.6%337
3411.5%43.9046.90290.000.501.1533.7%356
373223.9%34.1037.90300.000.601.5029.8%2163
651424.9%25.5028.50310.001.103.5028.8%534
172221.0%15.9019.90320.001.904.8024.9%44
692521.0%9.7012.60330.005.207.4023.9%110
9920.0%3.707.50340.00–––––
141520.0%1.004.30350.00–––––
409.3%0.003.20360.00–––––
2012.2%0.002.65370.00–––––
1015.1%0.002.20380.00–––––
1018.1%0.002.15390.00–––––
0221.0%0.002.15400.00–––––
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.