I don't think it's always about supply and demand, DVC also wants to protect the investment by exercising ROFR on undervalued resales. Below is a list copied from another thresd of recent contracts that DVC bought back through ROFR.
ROFR'D - BCV:
spsmyk------------- 130 BCV (Apr) $85, no '07 pts, buyer pays closing (updated 6/25, ROFR'D 7/3/07)
ROFR'D - BWV:
mla973 -------------- 50 BWV (Apr) $80, no ‘06 pts & all ‘07 pts, buyer pays closing (sub 3/12, ROFR 3/22) – non-member
MJToast ------------- 200 BWV (Feb) $75, No pts until ‘09, buyer pays closing costs, seller pays ‘08 MF (sub 3/30, ROFR 4/11) - non-member
grumpynomore-------- 170 BWV (???) $82, buyer & seller split closing (ROFR 7/20)
mommacat56--------- 180 BWV (Feb) $79, no '08 pts, buyer & seller split closing, seller pays '08 mf (ROFR 2008)
ROFR'D - HHI:
lmb -------------- 150 HHI (???) $66, 30 ’07 pts, buyer pays closing and prorated ’07 MF (sub ???, ROFR 3/01?) – assumed non-member
WalterS (seller) --- 200 HHI (Apr) $68
lisalefebvre ------- 250 HHI (???) $66
Tamar (seller)----- 150 HHI (Dec) $67, 27 '07 pts, all '08 pts, buyer pays closing, seller pays '07 mf (ROFR 9/20)
ROFR'D - OKW - original:
Michael623------------- 160 OKW (Feb) $70, 20 '08 pts, all 08 pts, buyer pays closing, buyer pays '08 mf for 20 pts (sub 8/16, ROFR 8/29)
ROFR'D - OKW - extended:
ROFR'D - SSR:
billyb1 (seller) ----- 210 SSR (Jun) $82, 202 '07points, 59 '06 banked, Buyer paid prorated MF for 07 points (202/210) (sub 2/28,ROFR 3/8)
mikeandkarla ------ 160 SSR (Dec) $82, 45 ‘05 pts banked, 160 ‘06 pts & 160 ‘07 pts, buyer pays closing & ’07 MF (sub 3/10, ROFR 3/22) – member
DisDreamerKJ ------ 150 SSR (Dec) $82, 150 ’06 pts & 150 ’07 pts, buyer pays closing and ’07 MF (sub 3/13, ROFR 3/22) non-member
Amy5000 ---------- 100 SSR (Feb) $82, no pts until ’08, buyer pays closing and ’08 MF (sub 3/23, ROFR 4/3) – non-member
Coach81 ----------- 150 SSR (Feb) $80, six ‘07 pts & all ’08 pts, buyer pays closing & MF on remaining '06 points (6pts), seller to pay rest (sub 3/23, ROFR 4/4) - non-member
Crazed Pluto ------- 150 SSR (Aug) $83, 47 '06 pts, 185 '07 pts, buyer plays closing fees, seller pays '07 dues - non-member
VTNuke------------- 120 SSR (Feb) $79, 0 '07 pts, all '08 pts, buyer pays closing, seller pays '07 MF (sub 6/16)
dbprimeaux--------- 260 SSR (Feb) $81
MEK---------------- 200 SSR (Mar) $80, all '08 pts, seller pays '07 mf (sub 9/8) - Non-member (ROFR 9/21)
kkmauch (seller)---- 150 SSR (Jun) $77, 24 '08 pts, buyer pays closing (ROFR 4/24/08)
ROFR'D - VB:
ROFR'D - VWL:
WDWguruDH (seller) --- 150 VWL (Sep) $82, 104 banked ’07 & all ’08 pts, buyer pays closing and ’07 MF (sub ???, ROFR 3/23) – member
soonertxmickey-------- 240 VWL (Apr) $78, no '07 pts, all '08 pts, seller pays closing
Maistre Gracey (seller) - 450 VWL (Sep) $75, 410 '07 pts, buyer pays closing, buyer pays mf on 410 '07 pts
luvindisneyworld(seller) - 140 VWL (Apr) $75 (sub 3/5, ROFR'D 3/19)
Frankiesmom----------- 150 VWL (Jun) $84, 126 '07 pts, all '08 pts, buyer pays closing and '08 mf (ROFR'D 4/24/08)
GrumpyBa*D----------- 250 VWL (Aug) $72, 72 '08 pts, all '09 pts, buyer and seller split '08 mf (sub 4/21, ROFR'D 4/29)
****WAITING****