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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 · TENB

As of 2026-08-20
Put/Call Volume Ratio
1.29
Neutral
Put/Call OI Ratio
0.83
Cumulative positioning sentiment
Front-month ATM Implied Volatility
73.7%
Market-expected move
Contracts / Expirations
119
2 expirations
CallStrikePut
OIVolIVBidAskStrikeBidAskIVVolOI
2130170.3%14.9018.4018.000.000.7588.3%0200
370174.2%14.3017.4019.000.000.7581.5%04
630161.5%13.3016.4020.000.000.0575.6%0433
3770142.9%12.0015.5021.000.000.7568.8%017
680143.9%11.4014.5022.000.000.7562.9%01
200133.2%10.5013.4023.000.000.7557.1%01
440125.4%9.6012.4024.000.000.7551.2%01
662124.4%9.0011.4025.000.000.8546.4%017
170115.6%8.0010.5026.000.000.9540.5%014
340106.9%6.909.7027.000.000.9535.6%05
57098.1%6.108.6028.000.001.1530.8%018
24094.2%5.307.8029.000.001.2525.9%0185
1,3311078.6%4.306.5030.000.400.8558.1%03,967
34366.9%2.406.3031.000.201.6559.0%2416
121066.9%2.355.1032.000.302.0056.1%015
344173.7%1.954.9033.000.702.5057.1%122
104075.6%1.454.5034.001.752.6059.0%06
3141073.7%1.553.4035.001.253.6051.2%016
139072.7%0.403.7036.001.354.8052.2%042
33462.0%1.051.6037.002.505.2055.1%10
24174.7%0.552.4538.003.306.3061.0%26
23063.9%0.251.5039.003.407.2051.2%036
2101660.0%0.101.1040.005.007.4053.2%03
22065.9%0.201.0041.005.908.3054.2%05
103030.8%0.001.1042.006.808.601.5%0147
17033.7%0.001.6043.007.709.501.5%021
14036.6%0.001.0544.008.7010.401.5%08
92083.4%0.101.0045.009.6011.401.5%06
55042.5%0.000.8046.00–––––
19045.4%0.000.7547.0011.6014.0055.1%01
49047.3%0.000.7548.00–––––
1,051052.2%0.000.7550.00–––––
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.