1-Year Delta Today for #3971
There are 8 total 1-Year Deltas for 4.15 - https://qalerts.pub/?q=apr+15%2C+2020
There are 17 total 3-Year Deltas for 4.15 - https://qalerts.pub/?q=apr+15%2C+2018
There are no 2-Year Deltas...
A 17 and an 8, double 8'z!