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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 · MRK

As of 2026-08-20
Put/Call Volume Ratio
0.60
Call-dominant · bullish sentiment
Put/Call OI Ratio
0.70
Cumulative positioning sentiment
Front-month ATM Implied Volatility
30.8%
Market-expected move
Contracts / Expirations
610
10 expirations
CallStrikePut
OIVolIVBidAskStrikeBidAskIVVolOI
10262.9%73.4575.9075.00–––––
–––––100.000.001.5094.2%03
50149.8%43.5545.95105.000.002.1383.4%042
10125.4%38.2540.90110.000.002.1372.7%022
11124.4%36.4538.95112.000.002.1368.8%04
–––––113.000.002.1366.9%023
–––––114.000.002.1364.9%010
–––––115.000.002.1362.9%030
10111.7%32.4534.95116.000.002.1361.0%07
20109.8%31.5033.95117.000.000.5659.0%032
40102.9%30.3032.95118.000.002.1357.1%08
72090.3%28.9031.95119.000.002.1355.1%030
86098.1%28.3530.95120.000.000.7253.2%0206
6088.3%27.0529.95121.000.000.6952.2%024
31091.2%26.3528.95122.000.000.5450.3%0500
67167.8%25.0527.40123.000.000.8048.3%011
76088.3%24.5526.90124.000.000.9546.4%031
1684067.8%22.8525.75125.000.000.8744.4%018
160067.8%22.0524.65126.000.000.6642.5%038
171179.5%21.5023.95127.000.000.5540.5%031
90077.6%20.6022.95128.000.000.5438.6%038
101073.7%19.5521.95129.000.000.1137.6%0102
280152.2%18.4020.10130.000.010.0540.5%8461
180262.0%17.1020.00131.000.000.0733.7%2233
3331.5%16.1018.00132.000.000.0931.7%2474
40347.3%15.3517.25133.000.000.0929.8%2427
47046.4%14.6016.10134.000.000.5727.8%6017
360352.2%13.6015.65135.000.020.0631.7%75125
116250.3%12.6514.65136.000.000.3224.9%1614
5061649.3%11.5014.00137.000.000.1723.0%09
1531333.7%10.6511.90138.000.070.4135.6%285
12613444.4%9.7511.85139.000.080.4233.7%130
1,53022632.7%8.959.90140.000.210.3831.7%4166
3220032.7%7.709.40141.000.270.8335.6%2298
6331833.7%7.158.30142.000.471.0335.6%1091
1223434.7%6.257.75143.000.510.9732.7%23136
938632.7%5.157.05144.000.681.1831.7%2169
1024234.7%5.056.00145.001.001.1830.8%954392
163533.7%4.205.25146.001.251.7131.7%1411
14329.8%3.204.45147.001.621.9530.8%143119
54430.8%2.653.85148.002.082.3831.7%735368
0833.7%2.813.25149.002.342.8830.8%2530
80852831.7%2.092.70150.003.003.5031.7%229254
011533.7%1.321.94152.504.305.3531.7%10
1,4755,61034.7%0.921.05155.005.807.3028.8%2450
02633.7%0.280.78157.50–––––
72035235.6%0.290.42160.009.7511.851.5%2210
0639.5%0.160.40162.50–––––
2945837.6%0.020.23165.0014.5516.701.5%228
0142.5%0.040.22167.50–––––
1,51457442.5%0.050.09170.00–––––
0136.6%0.000.41172.50–––––
0139.5%0.000.36175.00–––––
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.