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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 · STEM

As of 2026-08-20
Put/Call Volume Ratio
4.00
Put-dominant · hedging/bearish
Put/Call OI Ratio
2.28
Cumulative positioning sentiment
Front-month ATM Implied Volatility
121.5%
Market-expected move
Contracts / Expirations
16
4 expirations
CallStrikePut
OIVolIVBidAskStrikeBidAskIVVolOI
70121.5%0.751.455.000.200.4096.1%7100
20199.0%0.050.257.501.852.25114.7%525
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.