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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 · NTAP

As of 2026-08-20
Put/Call Volume Ratio
0.15
Call-dominant · bullish sentiment
Put/Call OI Ratio
0.49
Cumulative positioning sentiment
Front-month ATM Implied Volatility
61.0%
Market-expected move
Contracts / Expirations
233
5 expirations
CallStrikePut
OIVolIVBidAskStrikeBidAskIVVolOI
24090.3%91.2095.10100.000.001.5576.6%090
3401.5%86.1090.10105.000.000.9571.7%0243
83186.4%82.2084.30110.000.000.9566.9%060
84673.7%76.2080.20115.000.000.9562.0%0168
152086.4%72.3074.70120.000.001.1557.1%0391
74068.8%66.3070.30125.000.001.1552.2%069
148070.8%61.5065.40130.000.101.0580.5%3833
1,220173.7%56.9060.60135.000.002.0043.4%01,171
169067.8%51.8055.80140.000.202.6082.5%0321
1,358268.8%47.4051.00145.000.352.9077.6%0341
50067.8%42.7046.50150.000.451.9564.9%20225
90067.8%38.5042.00155.000.403.3065.9%1418
329066.9%34.3037.60160.000.953.9063.9%17571
789162.9%29.6033.50165.001.554.7062.0%8426
140162.9%25.8029.60170.002.555.8062.0%2216
316160.0%22.0025.30175.004.605.8059.0%13144
177062.9%19.2022.70180.005.808.2060.0%1122
230262.0%16.3019.10185.007.9010.9062.0%1178
465561.0%13.7015.80190.0010.8012.9062.9%7148
8031061.0%11.1014.00195.0012.4015.9061.0%23327
1,71717060.0%8.6011.90200.0015.1018.9061.0%19221
8374362.0%5.908.60210.0021.8025.6061.0%513
6,8461458.1%3.005.40220.0029.5033.4062.9%521
734662.9%1.804.60230.0037.9040.7060.0%010
118264.9%1.852.80240.00–––––
73236862.9%1.001.60250.00–––––
69063.9%0.451.25260.0065.7069.6068.8%01
19178.6%0.252.65270.00–––––
229171.7%0.101.15280.00–––––
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.