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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 · WST

As of 2026-08-20
Put/Call Volume Ratio
0.66
Call-dominant · bullish sentiment
Put/Call OI Ratio
0.98
Cumulative positioning sentiment
Front-month ATM Implied Volatility
28.8%
Market-expected move
Contracts / Expirations
135
4 expirations
CallStrikePut
OIVolIVBidAskStrikeBidAskIVVolOI
10115.6%168.30171.70185.00–––––
–––––190.000.005.0069.8%01
–––––195.000.002.6566.9%011
–––––200.000.002.6563.9%08
2096.1%143.40146.80210.00–––––
1087.3%133.40136.80220.000.004.7054.2%01
1080.5%123.40126.90230.000.002.6549.3%07
11076.6%113.80116.90240.000.002.6544.4%02
51066.9%103.40107.00250.000.002.6540.5%013
15063.9%93.4097.50260.000.005.0036.6%016
31054.2%83.4087.10270.000.005.0031.7%015
13049.3%73.6077.20280.000.003.9027.8%01
62044.4%63.8067.30290.000.003.8023.9%07
17042.5%54.7057.50300.000.002.8520.0%0114
5036.6%44.5047.90310.000.351.2030.8%2520
13034.7%35.8038.50320.000.654.2034.7%28
10032.7%27.2030.00330.002.004.9030.8%08
16129.8%19.1022.00340.004.006.0027.8%060
18029.8%13.0015.50350.007.209.0025.9%025
73028.8%7.8010.50360.0011.5013.9024.9%10
27028.8%4.107.00370.0017.5020.5023.9%01
17028.8%1.455.00380.00–––––
39031.7%0.704.20390.00–––––
81727.8%0.151.55400.00–––––
12630.8%0.051.35410.00–––––
9020.0%0.003.50420.00–––––
9023.0%0.005.00430.00–––––
1032.7%0.005.00470.00–––––
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.