Where demand outruns the surviving record
Coverage Gap Index per theme: demand share divided by supply share of the searchable catalog.
Where demand outruns the surviving record
Coverage Gap Index per theme: the theme's share of searches divided by its share of the searchable catalog. Values above 1 mean people ask for it more often than the archive can show it.
Title cards and film leader: demand share 0.9% vs supply share 0.3%; gap index 2.88
Title cards and film leader
2.88x
Christmas and winter holidays: demand share 2.0% vs supply share 4.3%; gap index 0.46
Christmas and winter holidays
0.46x
Schools and graduations: demand share 0.7% vs supply share 1.6%; gap index 0.45
Schools and graduations
0.45x
Weddings and ceremonies: demand share 0.4% vs supply share 1.1%; gap index 0.33
Weddings and ceremonies
0.33x
Military and wartime: demand share 1.0% vs supply share 3.5%; gap index 0.29
Military and wartime
0.29x
Music, dancing and performance: demand share 0.9% vs supply share 3.6%; gap index 0.24
Music, dancing and performance
0.24x
Birthdays and parties: demand share 1.2% vs supply share 5.5%; gap index 0.22
Birthdays and parties
0.22x
Amusement parks, fairs and circuses: demand share 0.5% vs supply share 2.4%; gap index 0.21
Amusement parks, fairs and circuses
0.21x
Parades and processions: demand share 0.5% vs supply share 3.2%; gap index 0.15
Parades and processions
0.15x
City streets and urban life: demand share 1.9% vs supply share 14.2%; gap index 0.14
City streets and urban life
0.14x
Cars, driving and road trips: demand share 1.7% vs supply share 15.1%; gap index 0.11
Cars, driving and road trips
0.11x
Sports and athletics: demand share 0.7% vs supply share 8.1%; gap index 0.09
Sports and athletics
0.09x
demand = supply
Above 1 (warm) demand outruns supply; below 1 (cool) the archive runs deep
Source:
Stockfilm Visual Memory Index
stockfilm-vmi-2026-v1.0