☰No. The study ends in a decision-grade answer, but does not lock you into moving forward. Some companies form immediately, some wait for the right renewal window, and some learn a captive doesn't fit yet and leave with a clear picture of what would change that.
What you keep either way is the analysis: an actuarial view of your losses, a costed structure, and projected financials you can revisit as conditions change. Preparedness has value on its own. Arriving at renewal with a priced alternative in hand can change the negotiation.