Mecone US median home value: monthly rollover
6 real monthly rolls · seam 0.915% mean / 1.83% max
Polymarket monthly family (7 events), real price history, front-month stitch
span: 6moobservations: 254seam max / mean: 1.83% / 0.915%
Consecutive monthly Polymarket ladders stitched front-month style. The seam stats quantify the roll discontinuity the live rotation system manages with its anchored glide.
Roll seams
| Roll into | Seam ($) | Seam (%) |
|---|---|---|
| march-1 | -2.336k | -0.558% |
| april-1 | +5.178k | +1.227% |
| april-30 | +7.745k | +1.83% |
| may-31 | +3.875k | +0.892% |
| june-30 | +2.932k | +0.68% |
| september-30 | +1.329k | +0.305% |
A naive front-month switch prints these seams. The live index does not switch naively: the anchored glide re-anchors on the latest official print at each roll, so the discontinuity is absorbed, not published.
Walk-forward on real Polymarket history · no look-ahead · 7-day staleness cutoff · raw artifact