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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 · WDC

As of 2026-07-09
Put/Call Volume Ratio
1.41
Put-dominant · hedging/bearish
Put/Call OI Ratio
1.18
Cumulative positioning sentiment
Front-month ATM Implied Volatility
120.5%
Market-expected move
Contracts / Expirations
1,889
12 expirations
CallStrikePut
OIVolIVBidAskStrikeBidAskIVVolOI
721.5%280.85291.40290.000.000.10396.6%1644
621.5%275.00286.95295.000.000.06387.8%0571
3601.5%270.00283.35300.000.004.30378.1%0575
401.5%265.00278.30305.000.000.07369.3%0608
101.5%261.40273.30310.000.000.29360.5%3230
301.5%256.95268.30315.000.000.50351.7%48384
1001.5%251.90263.95320.000.010.16414.2%20649
1001.5%246.90258.20325.000.010.10388.8%10175
701.5%240.95253.30330.000.000.22326.4%1947
701.5%236.95248.30335.000.000.19317.6%156348
501.5%231.35243.95340.000.000.10309.8%318140
230523.4%226.90242.05345.000.000.19302.0%58626
260499.0%221.90236.70350.000.010.09336.1%102438
1511.5%216.95228.35355.000.010.09327.3%130156
1801.5%211.05223.85360.000.000.17277.6%59285
401.5%206.60215.55365.000.010.19332.2%1,75555
10404.4%201.40216.00370.000.000.15262.9%21939
401.5%195.00208.35375.000.000.85255.1%163217
1001.5%190.05203.20380.000.001.35248.3%10642
801.5%185.25198.20385.000.060.10289.3%23858
201.5%181.35194.20390.000.010.27299.0%387187
401.5%175.50188.20395.000.004.30226.8%696123
3041.5%170.95183.20400.000.010.19270.8%1,314269
401.5%168.95181.50402.500.004.35216.1%6140
2101.5%165.00178.60405.000.004.35212.2%433245
50265.9%164.00177.45407.500.004.35209.3%1210
2301.5%161.00174.15410.000.010.29265.9%2,022213
2901.5%158.75170.20412.500.001.44202.5%119
1401.5%156.00169.20415.000.004.35198.6%7753
60270.8%155.00166.70417.500.004.40195.6%540
701.5%151.00163.65420.000.020.76281.5%5271,013
120333.2%150.00163.65422.500.000.77188.8%80
7711.5%146.00159.45425.000.001.99185.9%293349
201.5%143.50155.20427.500.004.40182.0%110
40223.9%141.00155.40430.000.001.53179.0%532827
–––––432.500.002.27176.1%3910
1501.5%136.00149.25435.000.050.74255.1%102287
–––––437.500.004.40169.3%471
34281.5%131.00143.80440.000.120.18216.1%122216
28281.5%128.00137.65442.500.004.50162.5%15110
14121.5%126.00135.15445.000.004.50159.5%68130
10141.5%123.00136.50447.500.004.45156.6%12218
36971.5%121.00130.15450.000.090.60222.9%356781
311011.5%118.00127.70452.500.000.77149.8%227
561.5%116.00129.50455.000.101.67250.3%115289
9241.5%114.75122.70457.500.004.50143.9%548
32321.5%111.00124.30460.000.051.29228.8%59281
1181.5%108.00121.30462.500.000.33137.1%334
3121.5%106.00115.25465.000.003.40134.2%1772
1101.5%103.00116.20467.500.001.41131.2%1841
6641.5%101.00110.00470.000.150.75197.6%1,428363
3561.5%101.00109.65472.500.001.52125.4%25162
1041581.5%99.00105.00475.000.204.00253.2%47215
132481.5%96.00103.40477.500.104.05246.4%528
117136141.0%94.00102.35480.000.250.65180.0%320332
51161.5%91.0099.05482.500.004.20113.7%1423
53711.5%89.0096.90485.000.304.25235.6%19189
164178.1%86.5096.00487.500.154.30228.8%224
131161.5%84.0090.00490.000.304.30225.9%253149
01121.5%82.0088.00492.500.004.40101.0%2131
401.5%79.0085.00495.000.252.05183.9%33312
041.5%77.0084.05497.500.502.67191.7%34150
150581.5%74.0080.00500.000.620.75157.6%258771
38160.5%72.0081.00502.500.501.49163.4%21108
698142.0%69.0078.30505.000.051.97159.5%4856
101.5%67.0073.00507.500.004.8083.4%447
5571.5%64.0071.00510.000.351.88153.7%25240
710149.8%62.0071.50512.500.703.30171.2%528
2711140.0%62.1566.00515.000.781.97150.8%60194
8392.2%57.0064.40517.500.004.0571.7%468
972119.5%55.0062.45520.001.002.10144.9%52294
1410114.7%52.0060.45522.500.004.6566.9%4137
204110.8%50.0057.45525.001.101.96135.1%97417
193106.9%48.0054.50527.500.003.2061.0%2343
5531102.0%45.5052.00530.001.853.10142.0%77280
2393104.9%43.0050.00532.500.503.75130.3%1685
776119.5%42.0047.80535.002.353.60139.0%71181
126120.5%39.0046.50537.501.366.65147.8%242
10717119.5%37.0044.10540.002.504.00131.2%90197
92105.9%34.0041.05542.502.557.40146.8%521
7010104.9%32.0038.70545.001.617.00133.2%9776
195111.7%30.0037.50547.501.828.20135.1%126
50117107.8%28.0034.85550.003.505.50122.5%551991
316109.8%26.0533.20552.501.235.90104.9%447
377112.7%25.1530.70555.004.157.25121.5%57400
3611111.7%23.2028.90557.504.509.20126.4%29388
10139110.8%21.2027.10560.005.059.20121.5%51125
4717121.5%20.6026.50562.504.1511.05117.6%321
479112.7%18.1523.80565.006.4012.65127.3%2077
4514114.7%17.0522.25567.508.0011.50120.5%1511
38943112.7%15.0020.85570.008.1012.45116.6%170262
3813112.7%13.6019.45572.509.0015.35123.4%3113
16428112.7%12.1018.15575.009.8015.05115.6%8601,567
423113.7%11.4016.70577.5011.0016.85117.6%831
20161112.7%9.5015.95580.0013.0518.05120.5%568316
9365114.7%9.1514.40582.5013.5019.00114.7%9161
13869111.7%7.8013.00585.0015.0521.65120.5%9673
75100109.8%6.3012.00587.5016.5022.65118.6%2020
230141117.6%6.3012.00590.0018.1522.90112.7%119107
151104120.5%6.1511.05592.5019.8524.75113.7%2726
68169114.7%4.3510.00595.0021.6526.20113.7%12565
6448109.8%3.508.40597.5022.4530.00118.6%425
832428104.9%3.506.05600.0026.4030.30121.5%1211,448
13617117.6%1.908.95602.5025.9033.25114.7%218
8714108.8%1.386.80605.0028.2536.00121.5%937
330118.6%0.508.30607.5031.0038.00126.4%54
229113106.9%1.464.50610.0033.0040.00126.4%13137
2716121.5%0.017.45612.5035.0542.00126.4%1215
2167142.5%0.003.20615.0037.2044.00126.4%1669
1624127.3%0.016.70617.5040.0046.00130.3%45
507111126.4%1.104.85620.0042.0049.00135.1%1545
33349.3%0.003.20622.5044.0051.00133.2%15
19665119.5%0.013.85625.0047.0053.00138.1%1139
331054.2%0.004.10627.5049.0055.00135.1%01
317216113.7%0.541.85630.0051.0058.00140.0%241,051
1027131.2%0.473.20632.5054.0060.00143.9%02
17381114.7%0.451.36635.0055.1562.00132.2%1131
8044125.4%0.372.00637.5059.0065.00152.7%04
36857125.4%0.122.00640.0059.0067.00127.3%2472
322568.8%0.002.55642.5063.0070.00152.7%015
826170.8%0.001.95645.0064.2072.00137.1%2660
256572.7%0.003.35647.5068.0074.00150.8%02
620238108.8%0.150.35650.0069.3077.00145.9%46141
872140.0%0.011.81652.5073.0079.00157.6%02
6864129.3%0.011.05655.0074.5082.00155.6%390
3231146.8%0.011.80657.5078.0084.00165.4%02
221131126.4%0.010.70660.0079.5087.00163.4%2160
42286.4%0.001.64662.5081.5089.00151.7%12
88588.3%0.000.90665.0084.4092.00168.3%380
250175.1%0.032.83667.5086.2594.00153.7%04
48668142.0%0.050.75670.0088.4597.00160.5%2131
331195.1%0.001.70672.5090.0099.00121.5%01
219175135.1%0.030.40675.0094.50102.00183.9%2122
3623163.4%0.011.30677.5095.05104.00130.3%01
167116136.1%0.100.25680.0098.00107.00164.4%2025
525165.4%0.011.13682.50–––––
4338152.7%0.010.60685.00103.45115.15223.9%121
1415182.0%0.011.64687.50–––––
29319153.7%0.100.40690.00108.00119.75221.0%039
535182.0%0.011.35692.50–––––
684174.2%0.010.91695.00113.00125.00230.8%314
3865177.1%0.010.90697.50–––––
1,320160161.5%0.070.37700.00118.00129.40229.8%046
4215188.8%0.011.12702.50–––––
2,0369190.8%0.011.11705.00123.00135.00244.4%021
34105184.9%0.010.80707.50–––––
216100186.8%0.010.78710.00130.15140.00275.6%121
12433196.6%0.011.00712.50–––––
5626195.6%0.010.89715.00–––––
4039194.7%0.010.79717.50–––––
405444156.6%0.040.07720.00136.70150.00245.4%3317
27114199.5%0.010.78722.50–––––
12378186.8%0.010.43725.00143.00155.00270.8%92
3738204.4%0.010.76727.50–––––
137271165.4%0.010.10730.00149.65160.00297.1%102
2580208.3%0.010.75732.50150.00162.00264.9%2215
39146205.4%0.010.61735.00–––––
15141222.9%0.011.01737.50–––––
46102208.3%0.010.56740.00158.00170.00289.3%61
1523211.2%0.010.58742.50–––––
4169178.1%0.010.10745.00–––––
2368153.7%0.000.10747.50–––––
705135182.0%0.010.10750.00168.00180.00301.0%208
5122159.5%0.000.10755.00–––––
640429162.5%0.000.10760.00178.00190.00312.7%51
90111166.4%0.000.57765.00185.15195.00346.8%51
165186170.3%0.000.49770.00188.00198.60301.0%01
60129173.2%0.000.11775.00–––––
58117177.1%0.000.73780.00200.15210.00364.4%102
943350180.0%0.000.66785.00–––––
96171183.9%0.000.54790.00–––––
64124186.8%0.000.56795.00–––––
1,054188190.8%0.000.05800.00217.00230.40347.8%208
153187363.4%0.014.30805.00–––––
228205257.1%0.010.34810.00–––––
73141247.3%0.010.20815.00–––––
10865251.2%0.010.20820.00–––––
651372225.9%0.010.05825.00–––––
140170272.7%0.010.35830.00–––––
144243260.0%0.010.18835.00–––––
147156251.2%0.010.10840.00–––––
277144219.0%0.000.13845.00–––––
17769222.9%0.000.01850.00–––––
255158225.9%0.000.01855.00–––––
1182228.8%0.000.01860.00–––––
248110231.7%0.000.01865.00–––––
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.