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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 · GSG

As of 2026-08-20
Put/Call Volume Ratio
0.65
Call-dominant · bullish sentiment
Put/Call OI Ratio
0.59
Cumulative positioning sentiment
Front-month ATM Implied Volatility
28.8%
Market-expected move
Contracts / Expirations
55
3 expirations
CallStrikePut
OIVolIVBidAskStrikeBidAskIVVolOI
101.5%6.408.8026.00–––––
–––––30.000.001.1519.0%01
2021.0%1.703.9031.000.000.7515.1%031
1021.0%1.002.8532.000.100.5525.9%50
1025.9%0.951.8033.000.551.0530.8%50
0827.8%0.801.0534.001.051.4028.8%30
10030.8%0.301.0035.00–––––
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.