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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 · CLDX

As of 2026-08-20
Put/Call Volume Ratio
0.82
Neutral
Put/Call OI Ratio
1.70
Cumulative positioning sentiment
Front-month ATM Implied Volatility
71.7%
Market-expected move
Contracts / Expirations
208
5 expirations
CallStrikePut
OIVolIVBidAskStrikeBidAskIVVolOI
–––––20.000.004.8094.2%013
–––––21.000.004.5087.3%02
–––––22.000.004.8081.5%01
–––––23.000.004.8076.6%05
1501.5%13.5018.4024.000.004.8070.8%03
301.5%12.5017.4025.000.004.8065.9%06
–––––26.000.004.8061.0%04
2064.9%10.6015.5027.000.004.8056.1%01
–––––28.000.004.8051.2%01
–––––29.000.004.8046.4%01
–––––30.000.004.8042.5%07
–––––31.000.004.8037.6%04
–––––32.000.104.90141.0%02
4071.7%5.509.9033.000.054.90129.3%032
–––––34.000.204.90121.5%09
2062.9%3.508.3035.000.304.90112.7%05
6066.9%3.107.5036.000.704.90106.9%01
3072.7%2.807.0037.000.504.9094.2%04
2068.8%1.806.5038.000.204.9079.5%09
8457.1%1.953.2040.002.553.4066.9%41
7069.8%2.103.3041.003.304.2071.7%01
6073.7%0.804.2042.00–––––
3064.9%0.053.5043.00–––––
1091.2%0.404.8044.00–––––
4096.1%0.104.9045.00–––––
1022.0%0.004.8046.00–––––
1062.0%0.401.0547.00–––––
0569.8%0.451.2048.00–––––
2029.8%0.004.8049.00–––––
6044.4%0.004.8055.00–––––
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.