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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 · ALKS

As of 2026-08-20
Put/Call Volume Ratio
4.34
Put-dominant · hedging/bearish
Put/Call OI Ratio
0.58
Cumulative positioning sentiment
Front-month ATM Implied Volatility
41.5%
Market-expected move
Contracts / Expirations
92
4 expirations
CallStrikePut
OIVolIVBidAskStrikeBidAskIVVolOI
15083.4%11.7015.3035.00–––––
–––––40.000.000.9527.8%051
0255.1%4.607.6043.000.301.1048.3%20
1040.5%3.005.1045.000.051.9042.5%016
–––––48.000.653.7041.5%10
1382035.6%0.451.9050.002.654.5046.4%50145
4644.4%0.250.7055.007.007.6044.4%20
1031.7%0.000.7560.00–––––
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.