Slots and RTP explained
How do I tell whether a casino bonus increases my chance of winning?
Direct answer
Separate cash-equivalent value from wagering requirements, excluded games and maximum cashout; a bonus does not change the underlying random outcomes.
How to use this answer
The principle is supported by the referenced rules, but a different operator or market can apply a different settlement condition. Treat the named provider as a specific example, not as a universal betting rule.
Return-to-player and volatility are statistical properties, not promises for an individual session. A streak or a near miss does not establish that a particular spin is more likely to pay.
Reference: gamblingcommission.gov.uk · published rules or source ↗