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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 · CALX

As of 2026-08-20
Put/Call Volume Ratio
0.10
Call-dominant · bullish sentiment
Put/Call OI Ratio
0.49
Cumulative positioning sentiment
Front-month ATM Implied Volatility
47.3%
Market-expected move
Contracts / Expirations
68
3 expirations
CallStrikePut
OIVolIVBidAskStrikeBidAskIVVolOI
–––––22.500.000.4580.5%01
–––––25.000.000.4066.9%02
–––––27.500.000.7555.1%01
201.5%9.5011.3030.000.000.3043.4%01
–––––32.500.000.7532.7%01
47050.3%4.906.9035.000.000.7523.0%018
27044.4%2.904.7037.500.502.1558.1%04
28840.5%1.602.5540.001.152.6547.3%03
0739.5%0.701.3542.501.853.8035.6%01
9241.5%0.250.7545.003.705.9034.7%01
126023.9%0.000.7547.50–––––
9030.8%0.000.7550.00–––––
9042.5%0.000.7555.00–––––
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.