## Subject
Cosmopolitan

## Predicate
imposed

## Object
three-point margin

## Relation Type
risk_mitigation

## Evidence
"They made me put up a three-point margin and compelled me to pay a premium at first of a half point, then a point, and finally, a point and a half."

---

## Subject
Cosmopolitan

## Predicate
reduced

## Object
trading capacity

## Relation Type
risk_mitigation

## Evidence
"they reduced my trading capacity by two-thirds."

---

## Subject
trader

## Predicate
operates_in

## Object
bucket shop

## Relation Type
actor_venue

## Evidence
"the only bucket shop that would take my business at all"

---

## Subject
trader

## Predicate
experienced

## Object
ups and downs

## Relation Type
strategy_outcome

## Evidence
"Of course I had my ups and downs, but was a winner on balance."

---

## Subject
Cosmopolitan

## Predicate
attempted

## Object
double-cross

## Relation Type
cause_effect

## Evidence
"They tried to double-cross me."