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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 · NIO

As of 2026-08-21
Put/Call Volume Ratio
0.21
Call-dominant · bullish sentiment
Put/Call OI Ratio
1.27
Cumulative positioning sentiment
Front-month ATM Implied Volatility
382.9%
Market-expected move
Contracts / Expirations
116
9 expirations
CallStrikePut
OIVolIVBidAskStrikeBidAskIVVolOI
210252.2%1.782.512.500.000.01226.8%09
40160.5%1.212.063.000.000.01167.3%013
2101.5%0.711.383.500.000.01114.7%0104
21918376.6%0.610.694.000.000.1067.8%2211,029
2,2221,40644.4%0.180.204.500.060.0750.3%9004,018
9,9013,02639.5%0.010.025.000.340.4242.5%1692,154
7,8674473.7%0.000.015.500.750.931.5%68286
2,1813102.0%0.000.016.001.302.53382.9%090
91926127.3%0.000.036.501.792.20233.7%41
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.