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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 · GRMN

As of 2026-07-09
Put/Call Volume Ratio
0.30
Call-dominant · bullish sentiment
Put/Call OI Ratio
0.41
Cumulative positioning sentiment
Front-month ATM Implied Volatility
30.8%
Market-expected move
Contracts / Expirations
145
4 expirations
CallStrikePut
OIVolIVBidAskStrikeBidAskIVVolOI
–––––130.000.001.25138.1%01
–––––135.000.001.25130.3%03
–––––140.000.001.25122.5%02
–––––155.000.001.25102.0%01
–––––160.000.001.2595.1%02
–––––165.000.001.2588.3%01
–––––170.000.000.9582.5%02
–––––175.000.000.1576.6%03
–––––180.000.000.7570.8%04
–––––185.000.000.7564.9%01
–––––190.000.000.7559.0%03
–––––195.000.000.7553.2%02
2201.5%42.8046.50200.000.000.7547.3%04
5046.4%33.0036.50210.000.050.7562.0%01,034
32038.6%23.1026.60220.000.000.9026.9%027
169025.9%13.6016.20230.000.151.3535.6%0156
348230.8%6.307.90240.001.802.5028.8%0138
714826.9%1.502.20250.005.408.6025.9%055
241031.7%0.200.95260.0013.8017.6029.8%09
678731.7%0.050.10270.0023.7027.4039.5%30
48032.7%0.000.50280.0033.7037.4050.3%33
18040.5%0.001.25290.00–––––
14047.3%0.001.25300.00–––––
11054.2%0.001.25310.00–––––
1061.0%0.001.25320.00–––––
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.