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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 · BFLY

As of 2026-08-20
Put/Call Volume Ratio
0.13
Call-dominant · bullish sentiment
Put/Call OI Ratio
0.28
Cumulative positioning sentiment
Front-month ATM Implied Volatility
96.1%
Market-expected move
Contracts / Expirations
27
3 expirations
CallStrikePut
OIVolIVBidAskStrikeBidAskIVVolOI
4901.5%3.804.405.000.000.40100.0%0645
4602391.2%1.802.107.500.200.3090.3%36696
4,90727790.3%0.550.7010.001.351.6096.1%7534
49714093.2%0.100.2512.50–––––
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.