v1.0

منهجية مؤشر primexa

PFI-{Category} = median EGP retail listing price for that filter category across the fixed PFI basket of Egypt passenger models, sampled from primexa catalog + named channels (Auto Spare, YourParts, El-Tawfiqia, Amazon.eg, Noon, Jumia where available), after applying the methodology outlier rule; published on the 1st of each month.

عرض المؤشرأسعار البيع

قاعدة الاستبعاد

Exclude listings below 0.4x or above 2.5x preliminary category median; if fewer than 5 remain, keep full sample and flag lowConfidence.

lowerMultiplier
0.4
upperMultiplier
2.5
minSampleSizeToExclude
5

التغيّر الشهري (MoM)

round(((median_t - median_t_minus_1) / median_t_minus_1) * 100, 1)

  • no prior sealed edition for category
  • prior edition used a different basketId
  • prior median is 0/missing
  • prior category was lowConfidence

القنوات

primexa catalogAuto SpareYourPartsEl-TawfiqiaAmazon.egNoonJumia

الإيقاع والتغطية

نشر يوم 1 من كل شهر (Africa/Cairo). العملة: EGP. التغطية الحالية: eg. مخطط: sa, ae, ma. الترخيص: CC-BY-4.0-style, free to cite with attribution to Primexa Filter Index.

سجل الإصدارات

  • v1.0 — Initial publish.2026-07-01