This is a double dynamic zone of a on chart stochastic of t3. As shown the outer dynamic zones are filled, the stochastic can be colored either on slope change, middle line cross (shown), or outer levels cross.
PS: For traders who are new to "DZ" indicators & the Dynamic Zone .dll, please see here
- How to install the Dynamic Zone .dll for MetaTrader platforms
- Why do certain indicators require a .dll file?