Anyone know the max volatility the Z13 system trades? Might it be static or dynamic? What is the method of volatility calculation?

If unknown then no problem. Just curious if anyone might have some info.

For Put selection below.

[107: Mon 20-04-06 15:42] 260.46/260.46\260.46/260.46 -0.01
NY time 11:42
!Get Option Chain SPY-OPT--0.00--SMART--USD
No trading - volatility 18.7%