The Co-operators Cup (also known as the Markdale Cashspiel) was a bonspiel part of the men's Ontario Curling Tour. The event was an annual event held in November and took place at the Markdale Curling Club in Markdale, Ontario.
| Year | Winning skip | Runner up skip | Purse (CAD) | |
|---|---|---|---|---|
| 2011 | $8,000 | |||
| 2012[1] | Al Hutchinson | Dion Dumontelle | $12,400 | |
| 2013[2] | Joey Rettinger | $12,400 |