Option activity is usually called unusual when a contract trades much more volume than its open interest, which can mean traders are opening new positions.

On Nov 4, 2026, Century Casinos options traded 0 contracts against 499 open, a volume to open interest ratio of 0.00, well below its 20-day average. The table above lists the contracts with the highest ratios.

Century Casinos Inc is a casino entertainment company that develops and operates gaming establishments as well as related lodging, restaurants, horse racing (including off-track betting), and entertainment facilities in North America.