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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 · REGN

As of 2026-08-20
Put/Call Volume Ratio
1.16
Neutral
Put/Call OI Ratio
0.67
Cumulative positioning sentiment
Front-month ATM Implied Volatility
29.8%
Market-expected move
Contracts / Expirations
780
10 expirations
CallStrikePut
OIVolIVBidAskStrikeBidAskIVVolOI
–––––470.000.004.30113.7%02
–––––500.000.004.30101.0%060
–––––510.000.004.3098.1%036
–––––520.000.004.3094.2%04
–––––550.000.004.3083.4%04
–––––560.000.004.3079.5%09
–––––570.000.004.3076.6%018
–––––580.000.004.3072.7%07
–––––610.000.004.3062.9%02
–––––640.000.004.3054.2%01
–––––650.000.004.3051.2%160
1077.6%164.00171.90660.000.004.3047.3%048
1075.6%153.60162.70670.000.004.3044.4%05
16067.8%143.60152.20680.000.004.3041.5%028
4071.7%134.20143.00690.000.004.3038.6%01
2054.2%123.00132.20700.000.004.3036.6%030
7059.0%113.70122.80710.000.004.4033.7%026
–––––720.000.004.4030.8%073
3049.3%93.80102.70730.000.004.4027.8%014
2046.4%83.9092.80740.00–––––
–––––745.000.004.6023.9%02
43140.5%74.6081.80750.000.004.6022.0%013
–––––755.000.004.6021.0%05
5139.5%64.8072.60760.00–––––
–––––765.000.005.0018.1%01
6136.6%55.2062.90770.000.005.0017.1%02
–––––775.000.005.0015.1%11
3034.7%46.0053.50780.000.005.4014.2%16
–––––785.000.006.1012.2%03
1034.7%39.0047.70787.500.006.5012.2%01
9032.7%37.0044.40790.000.006.8011.2%04
–––––795.000.007.409.3%04
19030.8%29.0035.80800.000.308.0028.8%06
3030.8%27.0034.00802.50–––––
23130.8%25.0031.90805.002.009.5029.8%01
3030.8%23.0030.20807.50–––––
33029.8%21.0028.50810.003.0010.0027.8%25
6029.8%18.0025.20815.005.0012.6028.8%03
4029.8%15.0022.20820.007.0014.4028.8%31
5029.8%12.0019.50825.009.0016.8028.8%31
8029.8%9.2017.10830.0012.0019.3028.8%04
4029.8%7.3015.10835.0014.2022.2028.8%14
9229.8%5.2013.30840.0017.4025.4028.8%11
–––––845.0021.0029.1029.8%01
29130.8%2.3010.40850.00–––––
25230.8%1.109.30855.00–––––
–––––860.0032.4041.0029.8%08
45034.7%1.607.70865.00–––––
–––––875.0045.5054.0030.8%10
1014.2%0.003.10880.00–––––
0217.1%0.005.50890.00–––––
0218.1%0.005.40895.00–––––
5519.0%0.005.10900.00–––––
1021.0%0.004.90910.00–––––
1023.9%0.004.70920.00–––––
4027.8%0.004.50940.00–––––
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.