Reserving & close: Triangles, IBNR, and the quarterly cycle

The triangle is squared before you sit down.

Point the study at last quarter and the methods come with it: your factors, your tail, your selected ultimates, carried forward rather than rebuilt. The quarter opens on the newest diagonal and whether it moved.

From the loss runs to a booked IBNR.

Most of the month goes on getting the data into a shape you can work with. That is the part we take.

A quarterly close, run in an afternoon.

Tesora reserving walkthrough

Start to booked IBNR, narrated, with captions in the player.

What a reserve review arrives as.

“”

What that afternoon is made of.

Timings from pilots with specialty P&C teams. The number that matters is the one your own close takes today.

If it cannot cite the page, it does not ship.

Every base rate, factor, credit and trend number carries the page and cell it came from. That is the difference between a number you can defend on the spot and a number you have to go back and find. An audit agent regrades the whole analysis against the CAS Statements of Principles before anybody on the committee sees it.

Bring last quarter’s close.

The one that took three weeks. The triangles arrive squared, so the first thing in front of you is the judgment.

Loss-run normalization across carriers

Five carriers, five formats, one normalized table with full provenance.

Rate-committee brief

What changed between filings, how the classes are trending, and every claim pointing back to the filing it came from.

Severity fit and segment analysis

Distributions fitted with credibility weighting, the segments broken out, and the memo written the way a memo gets written.

Last quarter, linked as the predecessor

The selections you made last time come across with the study, so actual-versus-expected is on the screen rather than on somebody’s list of things to rebuild.

Close commercial auto for the quarter and give me something the committee can sign.