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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 · INSM

As of 2026-08-20
Put/Call Volume Ratio
0.06
Call-dominant · bullish sentiment
Put/Call OI Ratio
0.74
Cumulative positioning sentiment
Front-month ATM Implied Volatility
36.6%
Market-expected move
Contracts / Expirations
137
4 expirations
CallStrikePut
OIVolIVBidAskStrikeBidAskIVVolOI
–––––65.000.002.1579.5%01
–––––80.000.001.3556.1%05
–––––85.000.050.3570.8%07
–––––90.000.001.1542.5%03
2042.5%28.5032.3095.000.001.5535.6%011
6101.5%23.3027.40100.000.000.7529.8%219
1068740.5%18.8022.60105.000.000.7523.9%0127
8037.6%14.2017.90110.000.001.1518.1%01
551,00036.6%10.3013.20115.001.052.7041.5%3215
175133.7%6.609.00120.001.004.8037.6%661,538
179437.6%3.507.40125.004.505.3036.6%211,239
1,36010937.6%3.203.60130.006.608.3033.7%0472
1,48018937.6%1.752.25135.0010.4012.9038.6%057
7062734.7%0.151.50140.0013.9017.1036.6%06
3511043.4%0.151.75145.0018.5022.3042.5%01
423023.9%0.001.85150.0023.2026.7042.5%02
9727.8%0.001.30155.00–––––
81059.0%0.101.35160.00–––––
55034.7%0.000.25165.0037.9041.7055.1%07
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.