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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 · ROK

As of 2026-08-20
Put/Call Volume Ratio
1.46
Put-dominant · hedging/bearish
Put/Call OI Ratio
1.38
Cumulative positioning sentiment
Front-month ATM Implied Volatility
29.8%
Market-expected move
Contracts / Expirations
226
4 expirations
CallStrikePut
OIVolIVBidAskStrikeBidAskIVVolOI
–––––340.000.003.5027.8%01
8041.5%81.2085.00350.000.001.7524.9%21
1039.5%71.5075.20360.000.000.8022.0%182
1039.5%62.4065.80370.000.001.8019.0%829
4033.7%52.1056.10380.000.052.0530.8%3628
9033.7%43.7046.70390.000.604.3032.7%01,876
13031.7%35.0038.20400.001.205.3029.8%51,435
5031.7%27.0031.00410.004.407.0029.8%236
5230.8%20.0024.00420.006.309.8027.8%52330
8029.8%14.0017.70430.0010.6014.4028.8%053
27929.8%9.2013.30440.0015.9019.6027.8%5422
18229.8%5.609.50450.0022.0025.3026.9%0305
3336428.8%3.206.00460.0029.8033.4027.8%01
6029.8%1.704.50470.0038.1041.2026.9%06
24029.8%1.252.70480.0047.3050.8029.8%01
26628.8%0.501.60490.00–––––
27031.7%0.151.75500.0066.3070.6034.7%02
4019.0%0.003.60510.00–––––
6022.0%0.003.60520.00–––––
2023.9%0.003.50530.00–––––
2025.9%0.003.50540.00–––––
10027.8%0.003.50550.00–––––
13029.8%0.003.20560.00–––––
7030.8%0.003.40570.00–––––
2036.6%0.003.40600.00–––––
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.