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Stockfacts

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 · ALGN

As of 2026-08-20
Put/Call Volume Ratio
0.72
Neutral
Put/Call OI Ratio
1.14
Cumulative positioning sentiment
Front-month ATM Implied Volatility
53.2%
Market-expected move
Contracts / Expirations
313
9 expirations
CallStrikePut
OIVolIVBidAskStrikeBidAskIVVolOI
–––––135.000.007.0041.5%04
–––––140.000.000.6032.7%06
–––––145.000.000.7524.9%091
–––––150.000.751.2543.4%111
–––––152.500.602.0040.5%0106
15258.1%5.3010.00155.001.552.6540.5%06
–––––157.502.306.8057.1%70
27053.2%2.806.40160.001.955.5034.7%525
0440.5%1.852.80162.505.108.2050.3%1138
22046.4%1.153.00165.003.2010.2028.8%04
15640.5%0.701.45167.505.9010.601.5%1116
65642.5%0.401.15170.0010.1014.5052.2%10
6084.4%0.106.40172.50–––––
86024.9%0.006.90175.0012.8020.3051.2%019
1028.8%0.006.40177.5015.3022.8057.1%036
78031.7%0.006.30180.0016.9025.5051.2%036
87034.7%0.006.30182.50–––––
–––––185.0022.5030.3067.8%02
–––––187.5024.8033.0071.7%01
54043.4%0.008.60190.00–––––
43049.3%0.008.60195.00–––––
26055.1%0.008.60200.00–––––
1064.9%0.008.60210.00–––––
6069.8%0.008.60215.00–––––
1074.7%0.008.60220.00–––––
1079.5%0.008.60225.00–––––
2083.4%0.007.30230.00–––––
2088.3%0.008.60235.00–––––
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.