ORATS can chart various skew indicators and ratios of those indicators. These can also be used in a scanner to identify those stocks, ETFs or indexes that match the criteria. For example, the bottom chart is the 25 delta ATM 20 days to expiration over the 75 delta. There are thousands of possible ratios you can chart:
https://gyazo.com/ce751f2f25a1080fdbf1c6e3af200eca
Here is the Stock Scanner sorting on that 25/75 delta ratio ascending.
https://gyazo.com/49b5a3e3f15cad43f4cbf22ec159282d
You can also tie the stock scanner into the options scanner to find the best options trades for these symbols.
https://gyazo.com/ed01f50b80edbce3d031410c21d19092
Great! So I can do the normalised risk reversal which is (25D Put.IV-25D Call.IV )/ATM.IV ... this is the one they use in LiveVol
