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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 · VKTX

As of 2026-08-21
Put/Call Volume Ratio
0.55
Call-dominant · bullish sentiment
Put/Call OI Ratio
0.27
Cumulative positioning sentiment
Front-month ATM Implied Volatility
64.9%
Market-expected move
Contracts / Expirations
284
9 expirations
CallStrikePut
OIVolIVBidAskStrikeBidAskIVVolOI
–––––24.000.010.26155.6%1112
01186.8%8.3510.3525.000.000.2091.2%04
–––––26.000.010.13108.8%272
01140.0%5.858.6527.000.010.0482.5%68
03158.6%5.858.2027.500.010.1289.3%208
–––––28.000.010.1485.4%357
–––––28.500.010.1276.6%668
–––––29.000.010.2479.5%1297
–––––29.500.001.1546.4%05
4065.9%3.005.0530.000.000.2041.5%784
–––––30.500.000.8036.6%44
210101.0%2.864.4031.000.020.3559.0%159
01270.8%2.513.1531.500.040.4055.1%1716
8364.9%2.082.6532.000.210.5660.0%3321
28551.2%0.712.9232.500.050.7551.2%11812
471577.6%1.162.7133.000.320.9556.1%192222
4054.2%0.302.1533.500.531.6568.8%9850
85774.7%0.722.0134.000.881.6564.9%2497
103868.8%0.441.6134.500.792.1461.0%843
33444762.9%0.481.0035.001.503.1089.3%201256
17671.7%0.201.2635.501.813.4088.3%51
2407253.2%0.050.5536.001.963.9087.3%022
61967.8%0.060.7536.502.303.5061.0%047
27412267.8%0.300.3537.002.354.0045.4%017
30333.7%0.001.1037.50–––––
401262.0%0.010.2538.00–––––
0176.6%0.030.4238.50–––––
16045.4%0.000.7639.00–––––
31517252.2%0.000.2940.00–––––
218259.0%0.000.3541.00–––––
51364.9%0.000.1442.00–––––
687111.7%0.010.3143.00–––––
2922138.1%0.020.5544.00–––––
112920116.6%0.070.1345.00–––––
71788.3%0.000.5446.00–––––
5099.0%0.001.1548.00–––––
1120108.8%0.000.2850.00–––––
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.