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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 · CYTK

As of 2026-08-20
Put/Call Volume Ratio
5.03
Put-dominant · hedging/bearish
Put/Call OI Ratio
0.13
Cumulative positioning sentiment
Front-month ATM Implied Volatility
51.2%
Market-expected move
Contracts / Expirations
76
4 expirations
CallStrikePut
OIVolIVBidAskStrikeBidAskIVVolOI
111.5%25.1029.3050.000.001.0057.1%020
–––––55.000.000.6545.4%075
4047.3%15.5019.4060.000.000.8034.7%047
–––––65.000.001.4024.9%673
15055.1%7.6010.7070.000.402.8052.2%0474
152049.3%3.507.5075.001.904.8052.2%2686
1,09810548.3%2.553.6080.004.507.3051.2%1,50021
4989742.5%0.252.2085.007.5011.5052.2%09
5151055.1%0.701.6090.0012.4015.8062.0%0192
109027.8%0.002.9595.00–––––
871172.7%0.201.65100.00–––––
114039.5%0.002.50105.00–––––
1283176.6%0.150.70110.00–––––
24050.3%0.002.30115.00–––––
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.